./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/memsafety-ext2/length_test03-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_775f4646-dc89-4b03-b3d6-a5a2ccc3162d/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_775f4646-dc89-4b03-b3d6-a5a2ccc3162d/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_775f4646-dc89-4b03-b3d6-a5a2ccc3162d/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_775f4646-dc89-4b03-b3d6-a5a2ccc3162d/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/memsafety-ext2/length_test03-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_775f4646-dc89-4b03-b3d6-a5a2ccc3162d/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_775f4646-dc89-4b03-b3d6-a5a2ccc3162d/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6e9221de91e231efa38b63f264828813e89f68c8ac306a629b3513c0e7bf1ed0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:46:21,172 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:46:21,313 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_775f4646-dc89-4b03-b3d6-a5a2ccc3162d/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-12 00:46:21,317 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:46:21,318 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:46:21,347 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:46:21,348 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:46:21,349 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:46:21,349 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:46:21,350 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:46:21,351 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:46:21,351 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:46:21,352 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:46:21,353 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:46:21,353 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:46:21,354 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:46:21,354 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:46:21,355 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:46:21,356 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:46:21,356 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:46:21,357 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:46:21,358 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:46:21,359 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:46:21,359 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:46:21,360 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:46:21,361 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:46:21,361 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:46:21,362 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:46:21,362 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:46:21,363 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:46:21,363 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:46:21,364 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:46:21,364 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:46:21,365 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:46:21,365 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:46:21,365 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:46:21,366 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:46:21,366 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:46:21,366 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:46:21,367 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:46:21,367 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:46:21,368 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:46:21,368 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:46:21,368 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:46:21,368 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:46:21,369 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:46:21,369 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:46:21,369 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_775f4646-dc89-4b03-b3d6-a5a2ccc3162d/bin/utaipan-verify-NcY6lQBIFX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_775f4646-dc89-4b03-b3d6-a5a2ccc3162d/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e9221de91e231efa38b63f264828813e89f68c8ac306a629b3513c0e7bf1ed0 [2023-11-12 00:46:21,696 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:46:21,726 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:46:21,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:46:21,732 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:46:21,733 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:46:21,734 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_775f4646-dc89-4b03-b3d6-a5a2ccc3162d/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/memsafety-ext2/length_test03-1.i [2023-11-12 00:46:24,827 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:46:25,124 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:46:25,125 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_775f4646-dc89-4b03-b3d6-a5a2ccc3162d/sv-benchmarks/c/memsafety-ext2/length_test03-1.i [2023-11-12 00:46:25,141 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_775f4646-dc89-4b03-b3d6-a5a2ccc3162d/bin/utaipan-verify-NcY6lQBIFX/data/6007d54d1/09cce50dedbd44deb1a40c611024262e/FLAG9c86a422e [2023-11-12 00:46:25,153 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_775f4646-dc89-4b03-b3d6-a5a2ccc3162d/bin/utaipan-verify-NcY6lQBIFX/data/6007d54d1/09cce50dedbd44deb1a40c611024262e [2023-11-12 00:46:25,155 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:46:25,157 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:46:25,158 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:46:25,158 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:46:25,168 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:46:25,169 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:46:25" (1/1) ... [2023-11-12 00:46:25,170 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@738b50ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:25, skipping insertion in model container [2023-11-12 00:46:25,170 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:46:25" (1/1) ... [2023-11-12 00:46:25,221 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:46:25,525 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:46:25,535 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:46:25,580 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:46:25,614 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:46:25,615 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:25 WrapperNode [2023-11-12 00:46:25,615 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:46:25,616 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:46:25,616 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:46:25,617 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:46:25,624 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:25" (1/1) ... [2023-11-12 00:46:25,639 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:25" (1/1) ... [2023-11-12 00:46:25,663 INFO L138 Inliner]: procedures = 123, calls = 38, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 94 [2023-11-12 00:46:25,663 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:46:25,664 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:46:25,664 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:46:25,665 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:46:25,674 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:25" (1/1) ... [2023-11-12 00:46:25,675 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:25" (1/1) ... [2023-11-12 00:46:25,679 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:25" (1/1) ... [2023-11-12 00:46:25,679 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:25" (1/1) ... [2023-11-12 00:46:25,688 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:25" (1/1) ... [2023-11-12 00:46:25,691 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:25" (1/1) ... [2023-11-12 00:46:25,693 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:25" (1/1) ... [2023-11-12 00:46:25,695 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:25" (1/1) ... [2023-11-12 00:46:25,707 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:46:25,708 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:46:25,708 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:46:25,708 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:46:25,709 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:25" (1/1) ... [2023-11-12 00:46:25,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:46:25,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_775f4646-dc89-4b03-b3d6-a5a2ccc3162d/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:46:25,749 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_775f4646-dc89-4b03-b3d6-a5a2ccc3162d/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:46:25,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_775f4646-dc89-4b03-b3d6-a5a2ccc3162d/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:46:25,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:46:25,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:46:25,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:46:25,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:46:25,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:46:25,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:46:25,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:46:25,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:46:25,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:46:25,861 INFO L130 BoogieDeclarations]: Found specification of procedure append [2023-11-12 00:46:25,862 INFO L138 BoogieDeclarations]: Found implementation of procedure append [2023-11-12 00:46:25,963 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:46:25,965 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:46:26,347 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:46:26,443 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:46:26,443 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-12 00:46:26,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:46:26 BoogieIcfgContainer [2023-11-12 00:46:26,446 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:46:26,448 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:46:26,448 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:46:26,457 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:46:26,457 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:46:25" (1/3) ... [2023-11-12 00:46:26,458 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fa35529 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:46:26, skipping insertion in model container [2023-11-12 00:46:26,458 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:46:25" (2/3) ... [2023-11-12 00:46:26,461 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fa35529 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:46:26, skipping insertion in model container [2023-11-12 00:46:26,462 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:46:26" (3/3) ... [2023-11-12 00:46:26,463 INFO L112 eAbstractionObserver]: Analyzing ICFG length_test03-1.i [2023-11-12 00:46:26,481 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:46:26,481 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-12 00:46:26,524 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:46:26,531 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;@24dc51c9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:46:26,532 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-12 00:46:26,536 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) [2023-11-12 00:46:26,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-12 00:46:26,544 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:46:26,545 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:46:26,545 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)] === [2023-11-12 00:46:26,552 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:46:26,553 INFO L85 PathProgramCache]: Analyzing trace with hash -1998902393, now seen corresponding path program 1 times [2023-11-12 00:46:26,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:46:26,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034068352] [2023-11-12 00:46:26,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:46:26,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:46:26,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:46:26,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:46:26,850 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:46:26,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034068352] [2023-11-12 00:46:26,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034068352] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:46:26,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:46:26,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:46:26,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082026725] [2023-11-12 00:46:26,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:46:26,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:46:26,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:46:26,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:46:26,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:46:26,890 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) [2023-11-12 00:46:27,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:46:27,064 INFO L93 Difference]: Finished difference Result 39 states and 46 transitions. [2023-11-12 00:46:27,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:46:27,068 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 [2023-11-12 00:46:27,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:46:27,076 INFO L225 Difference]: With dead ends: 39 [2023-11-12 00:46:27,076 INFO L226 Difference]: Without dead ends: 21 [2023-11-12 00:46:27,079 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 [2023-11-12 00:46:27,083 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2023-11-12 00:46:27,084 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] [2023-11-12 00:46:27,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2023-11-12 00:46:27,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2023-11-12 00:46:27,117 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) [2023-11-12 00:46:27,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2023-11-12 00:46:27,119 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 7 [2023-11-12 00:46:27,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:46:27,120 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2023-11-12 00:46:27,120 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) [2023-11-12 00:46:27,120 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2023-11-12 00:46:27,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-12 00:46:27,122 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:46:27,122 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:46:27,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:46:27,123 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)] === [2023-11-12 00:46:27,123 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:46:27,124 INFO L85 PathProgramCache]: Analyzing trace with hash 709026481, now seen corresponding path program 1 times [2023-11-12 00:46:27,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:46:27,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860551481] [2023-11-12 00:46:27,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:46:27,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:46:27,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:46:27,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:46:27,532 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:46:27,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860551481] [2023-11-12 00:46:27,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860551481] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:46:27,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:46:27,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:46:27,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703119658] [2023-11-12 00:46:27,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:46:27,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:46:27,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:46:27,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:46:27,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:46:27,539 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) [2023-11-12 00:46:27,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:46:27,851 INFO L93 Difference]: Finished difference Result 39 states and 46 transitions. [2023-11-12 00:46:27,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:46:27,852 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 [2023-11-12 00:46:27,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:46:27,853 INFO L225 Difference]: With dead ends: 39 [2023-11-12 00:46:27,854 INFO L226 Difference]: Without dead ends: 33 [2023-11-12 00:46:27,854 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 [2023-11-12 00:46:27,856 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 9 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2023-11-12 00:46:27,857 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 31 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-12 00:46:27,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2023-11-12 00:46:27,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 22. [2023-11-12 00:46:27,872 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) [2023-11-12 00:46:27,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2023-11-12 00:46:27,873 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 12 [2023-11-12 00:46:27,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:46:27,874 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2023-11-12 00:46:27,874 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) [2023-11-12 00:46:27,875 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2023-11-12 00:46:27,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-12 00:46:27,876 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:46:27,876 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:46:27,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 00:46:27,877 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)] === [2023-11-12 00:46:27,878 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:46:27,878 INFO L85 PathProgramCache]: Analyzing trace with hash 693029974, now seen corresponding path program 1 times [2023-11-12 00:46:27,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:46:27,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062512993] [2023-11-12 00:46:27,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:46:27,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:46:28,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:46:28,332 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:46:28,333 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:46:28,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062512993] [2023-11-12 00:46:28,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062512993] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:46:28,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:46:28,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:46:28,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861013662] [2023-11-12 00:46:28,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:46:28,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:46:28,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:46:28,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:46:28,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:46:28,339 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) [2023-11-12 00:46:28,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:46:28,766 INFO L93 Difference]: Finished difference Result 33 states and 38 transitions. [2023-11-12 00:46:28,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 00:46:28,767 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 [2023-11-12 00:46:28,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:46:28,769 INFO L225 Difference]: With dead ends: 33 [2023-11-12 00:46:28,769 INFO L226 Difference]: Without dead ends: 31 [2023-11-12 00:46:28,770 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:46:28,772 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 [2023-11-12 00:46:28,773 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] [2023-11-12 00:46:28,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2023-11-12 00:46:28,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 26. [2023-11-12 00:46:28,779 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) [2023-11-12 00:46:28,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 31 transitions. [2023-11-12 00:46:28,780 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 31 transitions. Word has length 14 [2023-11-12 00:46:28,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:46:28,780 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 31 transitions. [2023-11-12 00:46:28,781 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) [2023-11-12 00:46:28,781 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2023-11-12 00:46:28,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-12 00:46:28,782 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:46:28,782 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:46:28,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 00:46:28,783 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)] === [2023-11-12 00:46:28,783 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:46:28,783 INFO L85 PathProgramCache]: Analyzing trace with hash 714343253, now seen corresponding path program 1 times [2023-11-12 00:46:28,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:46:28,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127625447] [2023-11-12 00:46:28,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:46:28,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:46:28,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:46:29,034 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:46:29,034 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:46:29,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127625447] [2023-11-12 00:46:29,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127625447] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:46:29,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1247605758] [2023-11-12 00:46:29,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:46:29,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:46:29,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_775f4646-dc89-4b03-b3d6-a5a2ccc3162d/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:46:29,040 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_775f4646-dc89-4b03-b3d6-a5a2ccc3162d/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:46:29,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_775f4646-dc89-4b03-b3d6-a5a2ccc3162d/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:46:29,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:46:29,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 00:46:29,395 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:46:29,478 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:46:29,479 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:46:29,542 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:46:29,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1247605758] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:46:29,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1743728433] [2023-11-12 00:46:29,564 INFO L159 IcfgInterpreter]: Started Sifa with 17 locations of interest [2023-11-12 00:46:29,564 INFO L166 IcfgInterpreter]: Building call graph [2023-11-12 00:46:29,568 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-12 00:46:29,574 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-12 00:46:29,574 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-12 00:47:16,421 INFO L197 IcfgInterpreter]: Interpreting procedure append with input of size 477 for LOIs [2023-11-12 00:47:20,858 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-12 00:47:23,393 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (= |c_#memory_$Pointer$.base| |c_old(#memory_$Pointer$.base)|)) (.cse6 (<= |c_append_#in~input| 127)) (.cse1 (= |c_#valid| |c_old(#valid)|)) (.cse8 (<= 0 (+ 128 |c_append_#in~input|))) (.cse13 (not (= |c_append_#in~head.base| 0))) (.cse9 (<= 1 |c_#StackHeapBarrier|)) (.cse2 (= |c_old(#memory_int)| |c_#memory_int|)) (.cse3 (= |c_#memory_$Pointer$.offset| |c_old(#memory_$Pointer$.offset)|)) (.cse46 (<= (+ |c_append_#in~head.base| 1) |c_#StackHeapBarrier|)) (.cse4 (= |c_old(#length)| |c_#length|)) (.cse12 (= |c_append_#in~head.offset| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (exists ((|v_ULTIMATE.start_main_~c~0#1_BEFORE_CALL_9| Int) (|v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9| Int) (|v_ULTIMATE.start_main_~list~0#1.offset_BEFORE_CALL_9| Int) (|v_ULTIMATE.start_main_~length~0#1_BEFORE_CALL_7| Int)) (let ((.cse7 (= |v_ULTIMATE.start_main_~c~0#1_BEFORE_CALL_9| 0)) (.cse10 (= |v_ULTIMATE.start_main_~list~0#1.offset_BEFORE_CALL_9| 0)) (.cse11 (= 5 |v_ULTIMATE.start_main_~length~0#1_BEFORE_CALL_7|)) (.cse5 (and .cse6 .cse8 (<= |v_ULTIMATE.start_main_~c~0#1_BEFORE_CALL_9| 4)))) (and (or .cse5 (and .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12)) (or (and .cse6 .cse7 (exists ((|v_ULTIMATE.start_main_~userInput~1#1_17| Int)) (and (let ((.cse17 (exists ((|v_#length_30| (Array Int Int))) (and (= (select |v_#length_30| 1) 2) (= 18 (select |v_#length_30| 2))))) (.cse18 (not (= |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9| 0))) (.cse19 (exists ((|v_#valid_54| (Array Int Int))) (and (= (select |v_#valid_54| 1) 1) (= (select |v_#valid_54| 2) 1) (= (select (store |v_#valid_54| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9| 1) |c_append_#in~head.base|) 0) (= 0 (select |v_#valid_54| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9|)) (= (select |v_#valid_54| 0) 0)))) (.cse32 (select (select |c_old(#memory_int)| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9|) 4)) (.cse47 (<= (+ |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9| 1) |c_#StackHeapBarrier|))) (or (and .cse13 (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 ((.cse15 (select |v_#memory_int_36| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9|)) (.cse14 (select |v_#memory_int_156| 1)) (.cse16 (select |v_#memory_int_34| |c_append_#in~head.base|))) (and (= (select .cse14 1) 0) (= (store |v_#memory_int_156| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9| (store (select |v_#memory_int_156| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9|) 0 (select .cse15 0))) |v_#memory_int_36|) (= (store |v_#memory_int_36| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9| (store .cse15 4 (select (select |v_#memory_int_35| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9|) 4))) |v_#memory_int_35|) (= (select .cse14 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 .cse16 0)))) (= |v_old(#memory_int)_AFTER_CALL_3| (store |v_#memory_int_34| |c_append_#in~head.base| (store .cse16 4 (select (select |v_old(#memory_int)_AFTER_CALL_3| |c_append_#in~head.base|) 4))))))) .cse17 .cse18 .cse19 (exists ((|v_#memory_$Pointer$.base_44| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_66| (Array Int (Array Int Int))) (|v_#memory_int_76| (Array Int (Array Int Int))) (|v_#memory_int_77| (Array Int (Array Int Int))) (|v_append_#t~mem5.offset_23| Int) (|v_#memory_int_78| (Array Int (Array Int Int))) (|v_#memory_int_79| (Array Int (Array Int Int))) (|v_append_#t~mem7.base_17| Int) (|v_#length_31| (Array Int Int)) (|v_append_#t~mem5.base_11| Int) (|v_append_#t~mem8.base_BEFORE_RETURN_1| Int) (|v_append_#t~mem7.offset_BEFORE_RETURN_1| Int) (|v_append_#t~short6_19| Bool) (|v_append_#t~short6_18| Bool) (|v_#memory_$Pointer$.offset_44| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_66| (Array Int (Array Int Int))) (|v_append_#t~mem7.offset_17| Int) (v_append_~node~0.base_BEFORE_RETURN_1 Int) (|v_#valid_55| (Array Int Int)) (|v_append_#t~mem7.base_BEFORE_RETURN_1| Int) (|v_append_#t~mem5.base_23| Int) (|v_append_#t~mem8.offset_BEFORE_RETURN_1| Int) (|v_append_#t~mem8.base_17| Int) (|v_#memory_int_157| (Array Int (Array Int Int))) (|v_append_#t~mem5.offset_11| Int) (|v_#memory_int_80| (Array Int (Array Int Int))) (|v_#memory_int_81| (Array Int (Array Int Int))) (|v_append_#t~mem8.offset_17| Int)) (let ((.cse40 (select |v_#memory_$Pointer$.offset_44| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9|)) (.cse43 (select |v_#memory_$Pointer$.base_44| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9|))) (let ((.cse24 (not |v_append_#t~short6_18|)) (.cse27 (select |v_#memory_$Pointer$.base_44| v_append_~node~0.base_BEFORE_RETURN_1)) (.cse21 (select .cse43 4)) (.cse26 (select |v_#memory_$Pointer$.offset_44| v_append_~node~0.base_BEFORE_RETURN_1)) (.cse20 (select .cse40 4)) (.cse25 (not |v_append_#t~short6_19|))) (and (= |c_old(#valid)| (store |v_#valid_55| v_append_~node~0.base_BEFORE_RETURN_1 1)) (or (and |v_append_#t~short6_19| (= .cse20 |v_append_#t~mem5.offset_11|) (= |v_append_#t~mem5.base_11| .cse21) (let ((.cse22 (= |v_append_#t~mem5.base_11| 0)) (.cse23 (= |v_append_#t~mem5.offset_11| 0))) (or (and .cse22 |v_append_#t~short6_18| .cse23) (and (or (not .cse22) (not .cse23)) .cse24)))) (and .cse25 (= |v_append_#t~mem5.base_11| |v_append_#t~mem5.base_23|) .cse24 (= |v_append_#t~mem5.offset_11| |v_append_#t~mem5.offset_23|))) (= (store |v_#memory_$Pointer$.offset_66| v_append_~node~0.base_BEFORE_RETURN_1 (store (select |v_#memory_$Pointer$.offset_66| v_append_~node~0.base_BEFORE_RETURN_1) 0 (select .cse26 0))) |v_#memory_$Pointer$.offset_44|) (<= (+ v_append_~node~0.base_BEFORE_RETURN_1 1) |c_#StackHeapBarrier|) (not (= v_append_~node~0.base_BEFORE_RETURN_1 0)) (= (store |v_#length_31| v_append_~node~0.base_BEFORE_RETURN_1 9) |c_old(#length)|) (= (store |v_#memory_$Pointer$.base_66| v_append_~node~0.base_BEFORE_RETURN_1 (store (select |v_#memory_$Pointer$.base_66| v_append_~node~0.base_BEFORE_RETURN_1) 0 (select .cse27 0))) |v_#memory_$Pointer$.base_44|) (let ((.cse36 (store (select |v_#memory_int_157| v_append_~node~0.base_BEFORE_RETURN_1) 0 |v_ULTIMATE.start_main_~userInput~1#1_17|))) (or (let ((.cse29 (store |v_#memory_$Pointer$.offset_44| v_append_~node~0.base_BEFORE_RETURN_1 (store (store .cse26 1 .cse20) 5 0))) (.cse34 (store |v_#memory_$Pointer$.base_44| v_append_~node~0.base_BEFORE_RETURN_1 (store (store .cse27 1 .cse21) 5 0)))) (let ((.cse35 (select |v_#memory_int_80| v_append_~node~0.base_BEFORE_RETURN_1)) (.cse30 (select (select .cse34 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9|) 4)) (.cse31 (+ (select (select .cse29 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9|) 4) 5))) (and (= (let ((.cse28 (store .cse29 .cse30 (store (select .cse29 .cse30) .cse31 0)))) (store .cse28 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9| (store (select .cse28 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9|) 4 0))) |c_old(#memory_$Pointer$.offset)|) (= |c_old(#memory_int)| (store |v_#memory_int_78| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9| (store (select |v_#memory_int_78| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9|) 4 .cse32))) (= (let ((.cse33 (store .cse34 .cse30 (store (select .cse34 .cse30) .cse31 v_append_~node~0.base_BEFORE_RETURN_1)))) (store .cse33 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9| (store (select .cse33 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9|) 4 v_append_~node~0.base_BEFORE_RETURN_1))) |c_old(#memory_$Pointer$.base)|) (= (store |v_#memory_int_80| v_append_~node~0.base_BEFORE_RETURN_1 (store .cse35 5 (select (select |v_#memory_int_79| v_append_~node~0.base_BEFORE_RETURN_1) 5))) |v_#memory_int_79|) (= (store |v_#memory_int_157| v_append_~node~0.base_BEFORE_RETURN_1 (store .cse36 1 (select .cse35 1))) |v_#memory_int_80|) .cse24 (= (store |v_#memory_int_79| .cse30 (store (select |v_#memory_int_79| .cse30) .cse31 (select (select |v_#memory_int_78| .cse30) .cse31))) |v_#memory_int_78|)))) (let ((.cse38 (select |v_#memory_int_76| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9|)) (.cse41 (select |v_#memory_int_77| v_append_~node~0.base_BEFORE_RETURN_1))) (and |v_append_#t~short6_18| (= (let ((.cse37 (store |v_#memory_int_157| v_append_~node~0.base_BEFORE_RETURN_1 .cse36))) (store .cse37 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9| (store (select .cse37 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9|) 0 (select .cse38 0)))) |v_#memory_int_76|) (= (store |v_#memory_int_76| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9| (store .cse38 4 (select (select |v_#memory_int_81| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9|) 4))) |v_#memory_int_81|) (= |v_append_#t~mem8.base_BEFORE_RETURN_1| |v_append_#t~mem8.base_17|) (= |v_append_#t~mem7.base_17| |v_append_#t~mem7.base_BEFORE_RETURN_1|) (= |v_append_#t~mem7.offset_BEFORE_RETURN_1| |v_append_#t~mem7.offset_17|) (= (let ((.cse39 (store |v_#memory_$Pointer$.offset_44| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9| (store (store .cse40 0 0) 4 0)))) (store .cse39 v_append_~node~0.base_BEFORE_RETURN_1 (store (store (select .cse39 v_append_~node~0.base_BEFORE_RETURN_1) 1 0) 5 0))) |c_old(#memory_$Pointer$.offset)|) (= |v_#memory_int_77| (store |v_#memory_int_81| v_append_~node~0.base_BEFORE_RETURN_1 (store (select |v_#memory_int_81| v_append_~node~0.base_BEFORE_RETURN_1) 1 (select .cse41 1)))) (= (store |v_#memory_int_77| v_append_~node~0.base_BEFORE_RETURN_1 (store .cse41 5 (select (select |c_old(#memory_int)| v_append_~node~0.base_BEFORE_RETURN_1) 5))) |c_old(#memory_int)|) (= (let ((.cse42 (store |v_#memory_$Pointer$.base_44| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9| (store (store .cse43 0 v_append_~node~0.base_BEFORE_RETURN_1) 4 v_append_~node~0.base_BEFORE_RETURN_1)))) (store .cse42 v_append_~node~0.base_BEFORE_RETURN_1 (store (store (select .cse42 v_append_~node~0.base_BEFORE_RETURN_1) 1 0) 5 0))) |c_old(#memory_$Pointer$.base)|) (= |v_append_#t~mem8.offset_17| |v_append_#t~mem8.offset_BEFORE_RETURN_1|))))) (= (select |v_#valid_55| v_append_~node~0.base_BEFORE_RETURN_1) 0) (let ((.cse44 (= (select .cse40 0) 0)) (.cse45 (= (select .cse43 0) 0))) (or (and (or (not .cse44) (not .cse45)) .cse25) (and |v_append_#t~short6_19| .cse44 .cse45))))))) .cse46 .cse47) (and (exists ((|v_#memory_int_34| (Array Int (Array Int Int))) (|v_#memory_int_35| (Array Int (Array Int Int))) (|v_#memory_int_36| (Array Int (Array Int Int))) (|v_old(#memory_int)_AFTER_CALL_4| (Array Int (Array Int Int))) (|v_#memory_int_156| (Array Int (Array Int Int)))) (let ((.cse49 (select |v_#memory_int_36| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9|)) (.cse48 (select |v_#memory_int_156| 1)) (.cse50 (select |v_#memory_int_34| |c_append_#in~head.base|))) (and (= (select .cse48 1) 0) (= (store |v_#memory_int_156| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9| (store (select |v_#memory_int_156| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9|) 0 (select .cse49 0))) |v_#memory_int_36|) (= (store |v_#memory_int_36| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9| (store .cse49 4 (select (select |v_#memory_int_35| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9|) 4))) |v_#memory_int_35|) (= (select .cse48 0) 48) (= (store |v_#memory_int_34| |c_append_#in~head.base| (store .cse50 4 (select (select |v_old(#memory_int)_AFTER_CALL_4| |c_append_#in~head.base|) 4))) |v_old(#memory_int)_AFTER_CALL_4|) (= |v_#memory_int_34| (store |v_#memory_int_35| |c_append_#in~head.base| (store (select |v_#memory_int_35| |c_append_#in~head.base|) 0 (select .cse50 0))))))) .cse13 .cse17 .cse18 .cse19 (exists ((|v_#memory_$Pointer$.base_44| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_66| (Array Int (Array Int Int))) (|v_#memory_int_76| (Array Int (Array Int Int))) (|v_#memory_int_77| (Array Int (Array Int Int))) (|v_append_#t~mem5.offset_23| Int) (|v_#memory_int_78| (Array Int (Array Int Int))) (|v_#memory_int_79| (Array Int (Array Int Int))) (|v_append_#t~mem7.base_17| Int) (|v_#length_31| (Array Int Int)) (|v_append_#t~mem5.base_11| Int) (|v_append_#t~mem8.base_BEFORE_RETURN_2| Int) (|v_append_#t~mem7.offset_BEFORE_RETURN_2| Int) (|v_append_#t~short6_19| Bool) (|v_append_#t~short6_18| Bool) (|v_#memory_$Pointer$.offset_44| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_66| (Array Int (Array Int Int))) (|v_append_#t~mem7.offset_17| Int) (v_append_~node~0.base_BEFORE_RETURN_2 Int) (|v_#valid_55| (Array Int Int)) (|v_append_#t~mem5.base_23| Int) (|v_append_#t~mem8.offset_BEFORE_RETURN_2| Int) (|v_append_#t~mem8.base_17| Int) (|v_append_#t~mem7.base_BEFORE_RETURN_2| Int) (|v_#memory_int_157| (Array Int (Array Int Int))) (|v_append_#t~mem5.offset_11| Int) (|v_#memory_int_80| (Array Int (Array Int Int))) (|v_#memory_int_81| (Array Int (Array Int Int))) (|v_append_#t~mem8.offset_17| Int)) (let ((.cse60 (select |v_#memory_$Pointer$.offset_44| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9|)) (.cse65 (select |v_#memory_$Pointer$.base_44| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9|))) (let ((.cse55 (not |v_append_#t~short6_18|)) (.cse57 (select |v_#memory_$Pointer$.base_44| v_append_~node~0.base_BEFORE_RETURN_2)) (.cse52 (select .cse65 4)) (.cse51 (select .cse60 4)) (.cse56 (not |v_append_#t~short6_19|)) (.cse73 (select |v_#memory_$Pointer$.offset_44| v_append_~node~0.base_BEFORE_RETURN_2))) (and (= (select |v_#valid_55| v_append_~node~0.base_BEFORE_RETURN_2) 0) (= |c_old(#valid)| (store |v_#valid_55| v_append_~node~0.base_BEFORE_RETURN_2 1)) (or (and |v_append_#t~short6_19| (= .cse51 |v_append_#t~mem5.offset_11|) (= |v_append_#t~mem5.base_11| .cse52) (let ((.cse53 (= |v_append_#t~mem5.base_11| 0)) (.cse54 (= |v_append_#t~mem5.offset_11| 0))) (or (and .cse53 |v_append_#t~short6_18| .cse54) (and (or (not .cse53) (not .cse54)) .cse55)))) (and .cse56 (= |v_append_#t~mem5.base_11| |v_append_#t~mem5.base_23|) .cse55 (= |v_append_#t~mem5.offset_11| |v_append_#t~mem5.offset_23|))) (= (store |v_#memory_$Pointer$.base_66| v_append_~node~0.base_BEFORE_RETURN_2 (store (select |v_#memory_$Pointer$.base_66| v_append_~node~0.base_BEFORE_RETURN_2) 0 (select .cse57 0))) |v_#memory_$Pointer$.base_44|) (<= (+ v_append_~node~0.base_BEFORE_RETURN_2 1) |c_#StackHeapBarrier|) (not (= v_append_~node~0.base_BEFORE_RETURN_2 0)) (= |c_old(#length)| (store |v_#length_31| v_append_~node~0.base_BEFORE_RETURN_2 9)) (let ((.cse63 (store (select |v_#memory_int_157| v_append_~node~0.base_BEFORE_RETURN_2) 0 |v_ULTIMATE.start_main_~userInput~1#1_17|))) (or (let ((.cse58 (select |v_#memory_int_77| v_append_~node~0.base_BEFORE_RETURN_2)) (.cse61 (select |v_#memory_int_76| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9|))) (and (= (store |v_#memory_int_81| v_append_~node~0.base_BEFORE_RETURN_2 (store (select |v_#memory_int_81| v_append_~node~0.base_BEFORE_RETURN_2) 1 (select .cse58 1))) |v_#memory_int_77|) (= |v_append_#t~mem8.offset_17| |v_append_#t~mem8.offset_BEFORE_RETURN_2|) |v_append_#t~short6_18| (= (let ((.cse59 (store |v_#memory_$Pointer$.offset_44| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9| (store (store .cse60 0 0) 4 0)))) (store .cse59 v_append_~node~0.base_BEFORE_RETURN_2 (store (store (select .cse59 v_append_~node~0.base_BEFORE_RETURN_2) 1 0) 5 0))) |c_old(#memory_$Pointer$.offset)|) (= |v_append_#t~mem8.base_BEFORE_RETURN_2| |v_append_#t~mem8.base_17|) (= (store |v_#memory_int_76| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9| (store .cse61 4 (select (select |v_#memory_int_81| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9|) 4))) |v_#memory_int_81|) (= |v_append_#t~mem7.base_17| |v_append_#t~mem7.base_BEFORE_RETURN_2|) (= (store |v_#memory_int_77| v_append_~node~0.base_BEFORE_RETURN_2 (store .cse58 5 (select (select |c_old(#memory_int)| v_append_~node~0.base_BEFORE_RETURN_2) 5))) |c_old(#memory_int)|) (= (let ((.cse62 (store |v_#memory_int_157| v_append_~node~0.base_BEFORE_RETURN_2 .cse63))) (store .cse62 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9| (store (select .cse62 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9|) 0 (select .cse61 0)))) |v_#memory_int_76|) (= (let ((.cse64 (store |v_#memory_$Pointer$.base_44| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9| (store (store .cse65 0 v_append_~node~0.base_BEFORE_RETURN_2) 4 v_append_~node~0.base_BEFORE_RETURN_2)))) (store .cse64 v_append_~node~0.base_BEFORE_RETURN_2 (store (store (select .cse64 v_append_~node~0.base_BEFORE_RETURN_2) 1 0) 5 0))) |c_old(#memory_$Pointer$.base)|) (= |v_append_#t~mem7.offset_BEFORE_RETURN_2| |v_append_#t~mem7.offset_17|))) (let ((.cse68 (store |v_#memory_$Pointer$.offset_44| v_append_~node~0.base_BEFORE_RETURN_2 (store (store .cse73 1 .cse51) 5 0))) (.cse72 (store |v_#memory_$Pointer$.base_44| v_append_~node~0.base_BEFORE_RETURN_2 (store (store .cse57 1 .cse52) 5 0)))) (let ((.cse69 (select (select .cse72 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9|) 4)) (.cse70 (+ 5 (select (select .cse68 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9|) 4))) (.cse66 (select |v_#memory_int_80| v_append_~node~0.base_BEFORE_RETURN_2))) (and (= (store |v_#memory_int_157| v_append_~node~0.base_BEFORE_RETURN_2 (store .cse63 1 (select .cse66 1))) |v_#memory_int_80|) (= |c_old(#memory_$Pointer$.offset)| (let ((.cse67 (store .cse68 .cse69 (store (select .cse68 .cse69) .cse70 0)))) (store .cse67 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9| (store (select .cse67 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9|) 4 0)))) (= |c_old(#memory_int)| (store |v_#memory_int_78| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9| (store (select |v_#memory_int_78| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9|) 4 .cse32))) (= (let ((.cse71 (store .cse72 .cse69 (store (select .cse72 .cse69) .cse70 v_append_~node~0.base_BEFORE_RETURN_2)))) (store .cse71 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9| (store (select .cse71 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9|) 4 v_append_~node~0.base_BEFORE_RETURN_2))) |c_old(#memory_$Pointer$.base)|) .cse55 (= |v_#memory_int_78| (store |v_#memory_int_79| .cse69 (store (select |v_#memory_int_79| .cse69) .cse70 (select (select |v_#memory_int_78| .cse69) .cse70)))) (= |v_#memory_int_79| (store |v_#memory_int_80| v_append_~node~0.base_BEFORE_RETURN_2 (store .cse66 5 (select (select |v_#memory_int_79| v_append_~node~0.base_BEFORE_RETURN_2) 5))))))))) (let ((.cse74 (= (select .cse60 0) 0)) (.cse75 (= (select .cse65 0) 0))) (or (and (or (not .cse74) (not .cse75)) .cse56) (and |v_append_#t~short6_19| .cse74 .cse75))) (= (store |v_#memory_$Pointer$.offset_66| v_append_~node~0.base_BEFORE_RETURN_2 (store (select |v_#memory_$Pointer$.offset_66| v_append_~node~0.base_BEFORE_RETURN_2) 0 (select .cse73 0))) |v_#memory_$Pointer$.offset_44|))))) .cse46 .cse47))) (<= |v_ULTIMATE.start_main_~userInput~1#1_17| 127) (<= 0 (+ 128 |v_ULTIMATE.start_main_~userInput~1#1_17|)))) .cse8 .cse9 .cse10 .cse11 .cse12) .cse5))))) (and .cse0 .cse6 .cse1 .cse8 .cse13 .cse9 .cse2 .cse3 .cse46 .cse4 (exists ((|v_#valid_54| (Array Int Int)) (|v_ULTIMATE.start_main_~list2~0#1.base_BEFORE_CALL_10| Int) (|v_#memory_$Pointer$.base_65| (Array Int (Array Int Int))) (|v_#memory_int_34| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_65| (Array Int (Array Int Int))) (|v_#memory_int_35| (Array Int (Array Int Int))) (|v_#memory_int_36| (Array Int (Array Int Int))) (|v_#length_30| (Array Int Int)) (|v_#memory_int_156| (Array Int (Array Int Int)))) (let ((.cse77 (select |v_#memory_int_34| |v_ULTIMATE.start_main_~list2~0#1.base_BEFORE_CALL_10|)) (.cse79 (store |v_#valid_54| |c_append_#in~head.base| 1)) (.cse80 (select |v_#memory_int_36| |c_append_#in~head.base|)) (.cse78 (select |v_#memory_int_156| 1))) (and (= (let ((.cse76 (store |v_#memory_$Pointer$.offset_65| |c_append_#in~head.base| (store (store (select |v_#memory_$Pointer$.offset_65| |c_append_#in~head.base|) 0 0) 4 0)))) (store .cse76 |v_ULTIMATE.start_main_~list2~0#1.base_BEFORE_CALL_10| (store (store (select .cse76 |v_ULTIMATE.start_main_~list2~0#1.base_BEFORE_CALL_10|) 0 0) 4 0))) |c_old(#memory_$Pointer$.offset)|) (= |c_old(#memory_int)| (store |v_#memory_int_34| |v_ULTIMATE.start_main_~list2~0#1.base_BEFORE_CALL_10| (store .cse77 4 (select (select |c_old(#memory_int)| |v_ULTIMATE.start_main_~list2~0#1.base_BEFORE_CALL_10|) 4)))) (= (select .cse78 1) 0) (= |c_old(#valid)| (store .cse79 |v_ULTIMATE.start_main_~list2~0#1.base_BEFORE_CALL_10| 1)) (= |v_#memory_int_36| (store |v_#memory_int_156| |c_append_#in~head.base| (store (select |v_#memory_int_156| |c_append_#in~head.base|) 0 (select .cse80 0)))) (= (select |v_#valid_54| |c_append_#in~head.base|) 0) (= (select |v_#valid_54| 1) 1) (= |v_#memory_int_34| (store |v_#memory_int_35| |v_ULTIMATE.start_main_~list2~0#1.base_BEFORE_CALL_10| (store (select |v_#memory_int_35| |v_ULTIMATE.start_main_~list2~0#1.base_BEFORE_CALL_10|) 0 (select .cse77 0)))) (= 0 (select .cse79 |v_ULTIMATE.start_main_~list2~0#1.base_BEFORE_CALL_10|)) (<= (+ |v_ULTIMATE.start_main_~list2~0#1.base_BEFORE_CALL_10| 1) |c_#StackHeapBarrier|) (= (select |v_#length_30| 1) 2) (= (select |v_#valid_54| 2) 1) (= (store (store |v_#length_30| |c_append_#in~head.base| 8) |v_ULTIMATE.start_main_~list2~0#1.base_BEFORE_CALL_10| 8) |c_old(#length)|) (not (= |v_ULTIMATE.start_main_~list2~0#1.base_BEFORE_CALL_10| 0)) (= |v_#memory_int_35| (store |v_#memory_int_36| |c_append_#in~head.base| (store .cse80 4 (select (select |v_#memory_int_35| |c_append_#in~head.base|) 4)))) (= (select .cse78 0) 48) (= (let ((.cse81 (store |v_#memory_$Pointer$.base_65| |c_append_#in~head.base| (store (store (select |v_#memory_$Pointer$.base_65| |c_append_#in~head.base|) 0 0) 4 0)))) (store .cse81 |v_ULTIMATE.start_main_~list2~0#1.base_BEFORE_CALL_10| (store (store (select .cse81 |v_ULTIMATE.start_main_~list2~0#1.base_BEFORE_CALL_10|) 0 0) 4 0))) |c_old(#memory_$Pointer$.base)|) (= (select |v_#valid_54| 0) 0) (= 18 (select |v_#length_30| 2))))) .cse12))) is different from false [2023-11-12 00:47:25,454 WARN L854 $PredicateComparison]: unable to prove that (and (= |c_append_#in~input| c_append_~input) (= |c_append_#in~head.base| c_append_~head.base) (exists ((|v_#valid_57| (Array Int Int)) (|v_#memory_$Pointer$.base_44| (Array Int (Array Int Int))) (|v_#memory_int_76| (Array Int (Array Int Int))) (|v_#memory_int_158| (Array Int (Array Int Int))) (|v_#memory_int_77| (Array Int (Array Int Int))) (|v_#memory_int_78| (Array Int (Array Int Int))) (|v_append_#t~mem5.offset_24| Int) (|v_#memory_int_79| (Array Int (Array Int Int))) (|v_append_#t~mem5.base_24| Int) (|v_#length_32| (Array Int Int)) (|v_append_#t~mem7.base_18| Int) (|v_append_#t~mem5.base_11| Int) (|v_#memory_$Pointer$.base_67| (Array Int (Array Int Int))) (|v_append_#t~short6_19| Bool) (|v_append_#t~short6_18| Bool) (|v_#memory_$Pointer$.offset_44| (Array Int (Array Int Int))) (|v_append_#t~mem7.offset_18| Int) (|v_append_#t~mem8.base_18| Int) (|v_#memory_$Pointer$.offset_67| (Array Int (Array Int Int))) (|v_append_#t~mem5.offset_11| Int) (|v_#memory_int_80| (Array Int (Array Int Int))) (|v_#memory_int_81| (Array Int (Array Int Int))) (|v_append_#t~mem8.offset_18| Int)) (let ((.cse15 (select |v_#memory_$Pointer$.base_44| c_append_~head.base)) (.cse18 (select |v_#memory_$Pointer$.offset_44| c_append_~head.base)) (.cse0 (+ c_append_~head.offset 4))) (let ((.cse13 (select .cse18 .cse0)) (.cse9 (not |v_append_#t~short6_18|)) (.cse11 (select .cse15 .cse0)) (.cse21 (not |v_append_#t~short6_19|)) (.cse10 (select |v_#memory_$Pointer$.base_44| c_append_~node~0.base)) (.cse12 (select |v_#memory_$Pointer$.offset_44| c_append_~node~0.base))) (and (= (select |v_#valid_57| c_append_~node~0.base) 0) (let ((.cse8 (store (select |v_#memory_int_158| c_append_~node~0.base) 0 c_append_~input))) (or (let ((.cse3 (store |v_#memory_$Pointer$.offset_44| c_append_~node~0.base (store (store .cse12 1 .cse13) 5 0))) (.cse7 (store |v_#memory_$Pointer$.base_44| c_append_~node~0.base (store (store .cse10 1 .cse11) 5 0)))) (let ((.cse4 (select (select .cse7 c_append_~head.base) .cse0)) (.cse5 (+ 5 (select (select .cse3 c_append_~head.base) .cse0))) (.cse1 (select |v_#memory_int_80| c_append_~node~0.base))) (and (= (store |v_#memory_int_78| c_append_~head.base (store (select |v_#memory_int_78| c_append_~head.base) .cse0 (select (select |c_#memory_int| c_append_~head.base) .cse0))) |c_#memory_int|) (= |v_#memory_int_79| (store |v_#memory_int_80| c_append_~node~0.base (store .cse1 5 (select (select |v_#memory_int_79| c_append_~node~0.base) 5)))) (= |c_#memory_$Pointer$.offset| (let ((.cse2 (store .cse3 .cse4 (store (select .cse3 .cse4) .cse5 0)))) (store .cse2 c_append_~head.base (store (select .cse2 c_append_~head.base) .cse0 0)))) (= (store |v_#memory_int_79| .cse4 (store (select |v_#memory_int_79| .cse4) .cse5 (select (select |v_#memory_int_78| .cse4) .cse5))) |v_#memory_int_78|) (= (let ((.cse6 (store .cse7 .cse4 (store (select .cse7 .cse4) .cse5 c_append_~node~0.base)))) (store .cse6 c_append_~head.base (store (select .cse6 c_append_~head.base) .cse0 c_append_~node~0.base))) |c_#memory_$Pointer$.base|) (= |v_#memory_int_80| (store |v_#memory_int_158| c_append_~node~0.base (store .cse8 1 (select .cse1 1)))) .cse9))) (let ((.cse20 (select |v_#memory_int_76| c_append_~head.base)) (.cse16 (select |v_#memory_int_77| c_append_~node~0.base))) (and |v_append_#t~short6_18| (= |c_append_#t~mem7.offset| |v_append_#t~mem7.offset_18|) (= |c_#memory_$Pointer$.base| (let ((.cse14 (store |v_#memory_$Pointer$.base_44| c_append_~head.base (store (store .cse15 c_append_~head.offset c_append_~node~0.base) .cse0 c_append_~node~0.base)))) (store .cse14 c_append_~node~0.base (store (store (select .cse14 c_append_~node~0.base) 1 0) 5 0)))) (= |c_append_#t~mem7.base| |v_append_#t~mem7.base_18|) (= |c_#memory_int| (store |v_#memory_int_77| c_append_~node~0.base (store .cse16 5 (select (select |c_#memory_int| c_append_~node~0.base) 5)))) (= (let ((.cse17 (store |v_#memory_$Pointer$.offset_44| c_append_~head.base (store (store .cse18 c_append_~head.offset 0) .cse0 0)))) (store .cse17 c_append_~node~0.base (store (store (select .cse17 c_append_~node~0.base) 1 0) 5 0))) |c_#memory_$Pointer$.offset|) (= |c_append_#t~mem8.offset| |v_append_#t~mem8.offset_18|) (= |v_#memory_int_76| (let ((.cse19 (store |v_#memory_int_158| c_append_~node~0.base .cse8))) (store .cse19 c_append_~head.base (store (select .cse19 c_append_~head.base) c_append_~head.offset (select .cse20 c_append_~head.offset))))) (= (store |v_#memory_int_76| c_append_~head.base (store .cse20 .cse0 (select (select |v_#memory_int_81| c_append_~head.base) .cse0))) |v_#memory_int_81|) (= (store |v_#memory_int_81| c_append_~node~0.base (store (select |v_#memory_int_81| c_append_~node~0.base) 1 (select .cse16 1))) |v_#memory_int_77|) (= |c_append_#t~mem8.base| |v_append_#t~mem8.base_18|))))) (or (and (= |v_append_#t~mem5.offset_11| |v_append_#t~mem5.offset_24|) .cse21 .cse9 (= |v_append_#t~mem5.base_11| |v_append_#t~mem5.base_24|)) (and (= |v_append_#t~mem5.offset_11| .cse13) |v_append_#t~short6_19| (let ((.cse22 (= |v_append_#t~mem5.base_11| 0)) (.cse23 (= |v_append_#t~mem5.offset_11| 0))) (or (and .cse22 |v_append_#t~short6_18| .cse23) (and (or (not .cse22) (not .cse23)) .cse9))) (= .cse11 |v_append_#t~mem5.base_11|))) (let ((.cse24 (= (select .cse18 c_append_~head.offset) 0)) (.cse25 (= (select .cse15 c_append_~head.offset) 0))) (or (and |v_append_#t~short6_19| .cse24 .cse25) (and (or (not .cse24) (not .cse25)) .cse21))) (= (store |v_#length_32| c_append_~node~0.base 9) |c_#length|) (= |c_#valid| (store |v_#valid_57| c_append_~node~0.base 1)) (= (store |v_#memory_$Pointer$.base_67| c_append_~node~0.base (store (select |v_#memory_$Pointer$.base_67| c_append_~node~0.base) 0 (select .cse10 0))) |v_#memory_$Pointer$.base_44|) (= (store |v_#memory_$Pointer$.offset_67| c_append_~node~0.base (store (select |v_#memory_$Pointer$.offset_67| c_append_~node~0.base) 0 (select .cse12 0))) |v_#memory_$Pointer$.offset_44|) (let ((.cse31 (<= |c_append_#in~input| 127)) (.cse33 (<= 0 (+ 128 |c_append_#in~input|))) (.cse38 (not (= |c_append_#in~head.base| 0))) (.cse34 (<= 1 |c_#StackHeapBarrier|)) (.cse26 (= |c_old(#valid)| |v_#valid_57|)) (.cse27 (= |v_#memory_$Pointer$.base_67| |c_old(#memory_$Pointer$.base)|)) (.cse28 (= |c_old(#length)| |v_#length_32|)) (.cse29 (= |c_old(#memory_$Pointer$.offset)| |v_#memory_$Pointer$.offset_67|)) (.cse71 (<= (+ |c_append_#in~head.base| 1) |c_#StackHeapBarrier|)) (.cse37 (= |c_append_#in~head.offset| 0)) (.cse101 (= |c_old(#memory_int)| |v_#memory_int_158|))) (or (and .cse26 .cse27 .cse28 .cse29 (exists ((|v_ULTIMATE.start_main_~c~0#1_BEFORE_CALL_9| Int) (|v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9| Int) (|v_ULTIMATE.start_main_~list~0#1.offset_BEFORE_CALL_9| Int) (|v_ULTIMATE.start_main_~length~0#1_BEFORE_CALL_7| Int)) (let ((.cse32 (= |v_ULTIMATE.start_main_~c~0#1_BEFORE_CALL_9| 0)) (.cse35 (= |v_ULTIMATE.start_main_~list~0#1.offset_BEFORE_CALL_9| 0)) (.cse36 (= 5 |v_ULTIMATE.start_main_~length~0#1_BEFORE_CALL_7|)) (.cse30 (and .cse31 .cse33 (<= |v_ULTIMATE.start_main_~c~0#1_BEFORE_CALL_9| 4)))) (and (or .cse30 (and .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37)) (or (and .cse31 .cse32 (exists ((|v_ULTIMATE.start_main_~userInput~1#1_17| Int)) (and (let ((.cse42 (exists ((|v_#length_30| (Array Int Int))) (and (= (select |v_#length_30| 1) 2) (= 18 (select |v_#length_30| 2))))) (.cse43 (not (= |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9| 0))) (.cse44 (exists ((|v_#valid_54| (Array Int Int))) (and (= (select |v_#valid_54| 1) 1) (= (select |v_#valid_54| 2) 1) (= (select (store |v_#valid_54| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9| 1) |c_append_#in~head.base|) 0) (= 0 (select |v_#valid_54| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9|)) (= (select |v_#valid_54| 0) 0)))) (.cse57 (select (select |c_old(#memory_int)| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9|) 4)) (.cse72 (<= (+ |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9| 1) |c_#StackHeapBarrier|))) (or (and .cse38 (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 ((.cse40 (select |v_#memory_int_36| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9|)) (.cse39 (select |v_#memory_int_156| 1)) (.cse41 (select |v_#memory_int_34| |c_append_#in~head.base|))) (and (= (select .cse39 1) 0) (= (store |v_#memory_int_156| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9| (store (select |v_#memory_int_156| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9|) 0 (select .cse40 0))) |v_#memory_int_36|) (= (store |v_#memory_int_36| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9| (store .cse40 4 (select (select |v_#memory_int_35| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9|) 4))) |v_#memory_int_35|) (= (select .cse39 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 (exists ((|v_#memory_$Pointer$.base_44| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_66| (Array Int (Array Int Int))) (|v_#memory_int_76| (Array Int (Array Int Int))) (|v_#memory_int_77| (Array Int (Array Int Int))) (|v_append_#t~mem5.offset_23| Int) (|v_#memory_int_78| (Array Int (Array Int Int))) (|v_#memory_int_79| (Array Int (Array Int Int))) (|v_append_#t~mem7.base_17| Int) (|v_#length_31| (Array Int Int)) (|v_append_#t~mem5.base_11| Int) (|v_append_#t~mem8.base_BEFORE_RETURN_1| Int) (|v_append_#t~mem7.offset_BEFORE_RETURN_1| Int) (|v_append_#t~short6_19| Bool) (|v_append_#t~short6_18| Bool) (|v_#memory_$Pointer$.offset_44| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_66| (Array Int (Array Int Int))) (|v_append_#t~mem7.offset_17| Int) (v_append_~node~0.base_BEFORE_RETURN_1 Int) (|v_#valid_55| (Array Int Int)) (|v_append_#t~mem7.base_BEFORE_RETURN_1| Int) (|v_append_#t~mem5.base_23| Int) (|v_append_#t~mem8.offset_BEFORE_RETURN_1| Int) (|v_append_#t~mem8.base_17| Int) (|v_#memory_int_157| (Array Int (Array Int Int))) (|v_append_#t~mem5.offset_11| Int) (|v_#memory_int_80| (Array Int (Array Int Int))) (|v_#memory_int_81| (Array Int (Array Int Int))) (|v_append_#t~mem8.offset_17| Int)) (let ((.cse65 (select |v_#memory_$Pointer$.offset_44| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9|)) (.cse68 (select |v_#memory_$Pointer$.base_44| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9|))) (let ((.cse49 (not |v_append_#t~short6_18|)) (.cse52 (select |v_#memory_$Pointer$.base_44| v_append_~node~0.base_BEFORE_RETURN_1)) (.cse46 (select .cse68 4)) (.cse51 (select |v_#memory_$Pointer$.offset_44| v_append_~node~0.base_BEFORE_RETURN_1)) (.cse45 (select .cse65 4)) (.cse50 (not |v_append_#t~short6_19|))) (and (= |c_old(#valid)| (store |v_#valid_55| v_append_~node~0.base_BEFORE_RETURN_1 1)) (or (and |v_append_#t~short6_19| (= .cse45 |v_append_#t~mem5.offset_11|) (= |v_append_#t~mem5.base_11| .cse46) (let ((.cse47 (= |v_append_#t~mem5.base_11| 0)) (.cse48 (= |v_append_#t~mem5.offset_11| 0))) (or (and .cse47 |v_append_#t~short6_18| .cse48) (and (or (not .cse47) (not .cse48)) .cse49)))) (and .cse50 (= |v_append_#t~mem5.base_11| |v_append_#t~mem5.base_23|) .cse49 (= |v_append_#t~mem5.offset_11| |v_append_#t~mem5.offset_23|))) (= (store |v_#memory_$Pointer$.offset_66| v_append_~node~0.base_BEFORE_RETURN_1 (store (select |v_#memory_$Pointer$.offset_66| v_append_~node~0.base_BEFORE_RETURN_1) 0 (select .cse51 0))) |v_#memory_$Pointer$.offset_44|) (<= (+ v_append_~node~0.base_BEFORE_RETURN_1 1) |c_#StackHeapBarrier|) (not (= v_append_~node~0.base_BEFORE_RETURN_1 0)) (= (store |v_#length_31| v_append_~node~0.base_BEFORE_RETURN_1 9) |c_old(#length)|) (= (store |v_#memory_$Pointer$.base_66| v_append_~node~0.base_BEFORE_RETURN_1 (store (select |v_#memory_$Pointer$.base_66| v_append_~node~0.base_BEFORE_RETURN_1) 0 (select .cse52 0))) |v_#memory_$Pointer$.base_44|) (let ((.cse61 (store (select |v_#memory_int_157| v_append_~node~0.base_BEFORE_RETURN_1) 0 |v_ULTIMATE.start_main_~userInput~1#1_17|))) (or (let ((.cse54 (store |v_#memory_$Pointer$.offset_44| v_append_~node~0.base_BEFORE_RETURN_1 (store (store .cse51 1 .cse45) 5 0))) (.cse59 (store |v_#memory_$Pointer$.base_44| v_append_~node~0.base_BEFORE_RETURN_1 (store (store .cse52 1 .cse46) 5 0)))) (let ((.cse60 (select |v_#memory_int_80| v_append_~node~0.base_BEFORE_RETURN_1)) (.cse55 (select (select .cse59 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9|) 4)) (.cse56 (+ (select (select .cse54 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9|) 4) 5))) (and (= (let ((.cse53 (store .cse54 .cse55 (store (select .cse54 .cse55) .cse56 0)))) (store .cse53 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9| (store (select .cse53 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9|) 4 0))) |c_old(#memory_$Pointer$.offset)|) (= |c_old(#memory_int)| (store |v_#memory_int_78| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9| (store (select |v_#memory_int_78| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9|) 4 .cse57))) (= (let ((.cse58 (store .cse59 .cse55 (store (select .cse59 .cse55) .cse56 v_append_~node~0.base_BEFORE_RETURN_1)))) (store .cse58 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9| (store (select .cse58 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9|) 4 v_append_~node~0.base_BEFORE_RETURN_1))) |c_old(#memory_$Pointer$.base)|) (= (store |v_#memory_int_80| v_append_~node~0.base_BEFORE_RETURN_1 (store .cse60 5 (select (select |v_#memory_int_79| v_append_~node~0.base_BEFORE_RETURN_1) 5))) |v_#memory_int_79|) (= (store |v_#memory_int_157| v_append_~node~0.base_BEFORE_RETURN_1 (store .cse61 1 (select .cse60 1))) |v_#memory_int_80|) .cse49 (= (store |v_#memory_int_79| .cse55 (store (select |v_#memory_int_79| .cse55) .cse56 (select (select |v_#memory_int_78| .cse55) .cse56))) |v_#memory_int_78|)))) (let ((.cse63 (select |v_#memory_int_76| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9|)) (.cse66 (select |v_#memory_int_77| v_append_~node~0.base_BEFORE_RETURN_1))) (and |v_append_#t~short6_18| (= (let ((.cse62 (store |v_#memory_int_157| v_append_~node~0.base_BEFORE_RETURN_1 .cse61))) (store .cse62 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9| (store (select .cse62 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9|) 0 (select .cse63 0)))) |v_#memory_int_76|) (= (store |v_#memory_int_76| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9| (store .cse63 4 (select (select |v_#memory_int_81| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9|) 4))) |v_#memory_int_81|) (= |v_append_#t~mem8.base_BEFORE_RETURN_1| |v_append_#t~mem8.base_17|) (= |v_append_#t~mem7.base_17| |v_append_#t~mem7.base_BEFORE_RETURN_1|) (= |v_append_#t~mem7.offset_BEFORE_RETURN_1| |v_append_#t~mem7.offset_17|) (= (let ((.cse64 (store |v_#memory_$Pointer$.offset_44| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9| (store (store .cse65 0 0) 4 0)))) (store .cse64 v_append_~node~0.base_BEFORE_RETURN_1 (store (store (select .cse64 v_append_~node~0.base_BEFORE_RETURN_1) 1 0) 5 0))) |c_old(#memory_$Pointer$.offset)|) (= |v_#memory_int_77| (store |v_#memory_int_81| v_append_~node~0.base_BEFORE_RETURN_1 (store (select |v_#memory_int_81| v_append_~node~0.base_BEFORE_RETURN_1) 1 (select .cse66 1)))) (= (store |v_#memory_int_77| v_append_~node~0.base_BEFORE_RETURN_1 (store .cse66 5 (select (select |c_old(#memory_int)| v_append_~node~0.base_BEFORE_RETURN_1) 5))) |c_old(#memory_int)|) (= (let ((.cse67 (store |v_#memory_$Pointer$.base_44| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9| (store (store .cse68 0 v_append_~node~0.base_BEFORE_RETURN_1) 4 v_append_~node~0.base_BEFORE_RETURN_1)))) (store .cse67 v_append_~node~0.base_BEFORE_RETURN_1 (store (store (select .cse67 v_append_~node~0.base_BEFORE_RETURN_1) 1 0) 5 0))) |c_old(#memory_$Pointer$.base)|) (= |v_append_#t~mem8.offset_17| |v_append_#t~mem8.offset_BEFORE_RETURN_1|))))) (= (select |v_#valid_55| v_append_~node~0.base_BEFORE_RETURN_1) 0) (let ((.cse69 (= (select .cse65 0) 0)) (.cse70 (= (select .cse68 0) 0))) (or (and (or (not .cse69) (not .cse70)) .cse50) (and |v_append_#t~short6_19| .cse69 .cse70))))))) .cse71 .cse72) (and (exists ((|v_#memory_int_34| (Array Int (Array Int Int))) (|v_#memory_int_35| (Array Int (Array Int Int))) (|v_#memory_int_36| (Array Int (Array Int Int))) (|v_old(#memory_int)_AFTER_CALL_4| (Array Int (Array Int Int))) (|v_#memory_int_156| (Array Int (Array Int Int)))) (let ((.cse74 (select |v_#memory_int_36| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9|)) (.cse73 (select |v_#memory_int_156| 1)) (.cse75 (select |v_#memory_int_34| |c_append_#in~head.base|))) (and (= (select .cse73 1) 0) (= (store |v_#memory_int_156| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9| (store (select |v_#memory_int_156| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9|) 0 (select .cse74 0))) |v_#memory_int_36|) (= (store |v_#memory_int_36| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9| (store .cse74 4 (select (select |v_#memory_int_35| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9|) 4))) |v_#memory_int_35|) (= (select .cse73 0) 48) (= (store |v_#memory_int_34| |c_append_#in~head.base| (store .cse75 4 (select (select |v_old(#memory_int)_AFTER_CALL_4| |c_append_#in~head.base|) 4))) |v_old(#memory_int)_AFTER_CALL_4|) (= |v_#memory_int_34| (store |v_#memory_int_35| |c_append_#in~head.base| (store (select |v_#memory_int_35| |c_append_#in~head.base|) 0 (select .cse75 0))))))) .cse38 .cse42 .cse43 .cse44 (exists ((|v_#memory_$Pointer$.base_44| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_66| (Array Int (Array Int Int))) (|v_#memory_int_76| (Array Int (Array Int Int))) (|v_#memory_int_77| (Array Int (Array Int Int))) (|v_append_#t~mem5.offset_23| Int) (|v_#memory_int_78| (Array Int (Array Int Int))) (|v_#memory_int_79| (Array Int (Array Int Int))) (|v_append_#t~mem7.base_17| Int) (|v_#length_31| (Array Int Int)) (|v_append_#t~mem5.base_11| Int) (|v_append_#t~mem8.base_BEFORE_RETURN_2| Int) (|v_append_#t~mem7.offset_BEFORE_RETURN_2| Int) (|v_append_#t~short6_19| Bool) (|v_append_#t~short6_18| Bool) (|v_#memory_$Pointer$.offset_44| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_66| (Array Int (Array Int Int))) (|v_append_#t~mem7.offset_17| Int) (v_append_~node~0.base_BEFORE_RETURN_2 Int) (|v_#valid_55| (Array Int Int)) (|v_append_#t~mem5.base_23| Int) (|v_append_#t~mem8.offset_BEFORE_RETURN_2| Int) (|v_append_#t~mem8.base_17| Int) (|v_append_#t~mem7.base_BEFORE_RETURN_2| Int) (|v_#memory_int_157| (Array Int (Array Int Int))) (|v_append_#t~mem5.offset_11| Int) (|v_#memory_int_80| (Array Int (Array Int Int))) (|v_#memory_int_81| (Array Int (Array Int Int))) (|v_append_#t~mem8.offset_17| Int)) (let ((.cse85 (select |v_#memory_$Pointer$.offset_44| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9|)) (.cse90 (select |v_#memory_$Pointer$.base_44| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9|))) (let ((.cse80 (not |v_append_#t~short6_18|)) (.cse82 (select |v_#memory_$Pointer$.base_44| v_append_~node~0.base_BEFORE_RETURN_2)) (.cse77 (select .cse90 4)) (.cse76 (select .cse85 4)) (.cse81 (not |v_append_#t~short6_19|)) (.cse98 (select |v_#memory_$Pointer$.offset_44| v_append_~node~0.base_BEFORE_RETURN_2))) (and (= (select |v_#valid_55| v_append_~node~0.base_BEFORE_RETURN_2) 0) (= |c_old(#valid)| (store |v_#valid_55| v_append_~node~0.base_BEFORE_RETURN_2 1)) (or (and |v_append_#t~short6_19| (= .cse76 |v_append_#t~mem5.offset_11|) (= |v_append_#t~mem5.base_11| .cse77) (let ((.cse78 (= |v_append_#t~mem5.base_11| 0)) (.cse79 (= |v_append_#t~mem5.offset_11| 0))) (or (and .cse78 |v_append_#t~short6_18| .cse79) (and (or (not .cse78) (not .cse79)) .cse80)))) (and .cse81 (= |v_append_#t~mem5.base_11| |v_append_#t~mem5.base_23|) .cse80 (= |v_append_#t~mem5.offset_11| |v_append_#t~mem5.offset_23|))) (= (store |v_#memory_$Pointer$.base_66| v_append_~node~0.base_BEFORE_RETURN_2 (store (select |v_#memory_$Pointer$.base_66| v_append_~node~0.base_BEFORE_RETURN_2) 0 (select .cse82 0))) |v_#memory_$Pointer$.base_44|) (<= (+ v_append_~node~0.base_BEFORE_RETURN_2 1) |c_#StackHeapBarrier|) (not (= v_append_~node~0.base_BEFORE_RETURN_2 0)) (= |c_old(#length)| (store |v_#length_31| v_append_~node~0.base_BEFORE_RETURN_2 9)) (let ((.cse88 (store (select |v_#memory_int_157| v_append_~node~0.base_BEFORE_RETURN_2) 0 |v_ULTIMATE.start_main_~userInput~1#1_17|))) (or (let ((.cse83 (select |v_#memory_int_77| v_append_~node~0.base_BEFORE_RETURN_2)) (.cse86 (select |v_#memory_int_76| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9|))) (and (= (store |v_#memory_int_81| v_append_~node~0.base_BEFORE_RETURN_2 (store (select |v_#memory_int_81| v_append_~node~0.base_BEFORE_RETURN_2) 1 (select .cse83 1))) |v_#memory_int_77|) (= |v_append_#t~mem8.offset_17| |v_append_#t~mem8.offset_BEFORE_RETURN_2|) |v_append_#t~short6_18| (= (let ((.cse84 (store |v_#memory_$Pointer$.offset_44| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9| (store (store .cse85 0 0) 4 0)))) (store .cse84 v_append_~node~0.base_BEFORE_RETURN_2 (store (store (select .cse84 v_append_~node~0.base_BEFORE_RETURN_2) 1 0) 5 0))) |c_old(#memory_$Pointer$.offset)|) (= |v_append_#t~mem8.base_BEFORE_RETURN_2| |v_append_#t~mem8.base_17|) (= (store |v_#memory_int_76| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9| (store .cse86 4 (select (select |v_#memory_int_81| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9|) 4))) |v_#memory_int_81|) (= |v_append_#t~mem7.base_17| |v_append_#t~mem7.base_BEFORE_RETURN_2|) (= (store |v_#memory_int_77| v_append_~node~0.base_BEFORE_RETURN_2 (store .cse83 5 (select (select |c_old(#memory_int)| v_append_~node~0.base_BEFORE_RETURN_2) 5))) |c_old(#memory_int)|) (= (let ((.cse87 (store |v_#memory_int_157| v_append_~node~0.base_BEFORE_RETURN_2 .cse88))) (store .cse87 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9| (store (select .cse87 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9|) 0 (select .cse86 0)))) |v_#memory_int_76|) (= (let ((.cse89 (store |v_#memory_$Pointer$.base_44| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9| (store (store .cse90 0 v_append_~node~0.base_BEFORE_RETURN_2) 4 v_append_~node~0.base_BEFORE_RETURN_2)))) (store .cse89 v_append_~node~0.base_BEFORE_RETURN_2 (store (store (select .cse89 v_append_~node~0.base_BEFORE_RETURN_2) 1 0) 5 0))) |c_old(#memory_$Pointer$.base)|) (= |v_append_#t~mem7.offset_BEFORE_RETURN_2| |v_append_#t~mem7.offset_17|))) (let ((.cse93 (store |v_#memory_$Pointer$.offset_44| v_append_~node~0.base_BEFORE_RETURN_2 (store (store .cse98 1 .cse76) 5 0))) (.cse97 (store |v_#memory_$Pointer$.base_44| v_append_~node~0.base_BEFORE_RETURN_2 (store (store .cse82 1 .cse77) 5 0)))) (let ((.cse94 (select (select .cse97 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9|) 4)) (.cse95 (+ 5 (select (select .cse93 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9|) 4))) (.cse91 (select |v_#memory_int_80| v_append_~node~0.base_BEFORE_RETURN_2))) (and (= (store |v_#memory_int_157| v_append_~node~0.base_BEFORE_RETURN_2 (store .cse88 1 (select .cse91 1))) |v_#memory_int_80|) (= |c_old(#memory_$Pointer$.offset)| (let ((.cse92 (store .cse93 .cse94 (store (select .cse93 .cse94) .cse95 0)))) (store .cse92 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9| (store (select .cse92 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9|) 4 0)))) (= |c_old(#memory_int)| (store |v_#memory_int_78| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9| (store (select |v_#memory_int_78| |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9|) 4 .cse57))) (= (let ((.cse96 (store .cse97 .cse94 (store (select .cse97 .cse94) .cse95 v_append_~node~0.base_BEFORE_RETURN_2)))) (store .cse96 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9| (store (select .cse96 |v_ULTIMATE.start_main_~list~0#1.base_BEFORE_CALL_9|) 4 v_append_~node~0.base_BEFORE_RETURN_2))) |c_old(#memory_$Pointer$.base)|) .cse80 (= |v_#memory_int_78| (store |v_#memory_int_79| .cse94 (store (select |v_#memory_int_79| .cse94) .cse95 (select (select |v_#memory_int_78| .cse94) .cse95)))) (= |v_#memory_int_79| (store |v_#memory_int_80| v_append_~node~0.base_BEFORE_RETURN_2 (store .cse91 5 (select (select |v_#memory_int_79| v_append_~node~0.base_BEFORE_RETURN_2) 5))))))))) (let ((.cse99 (= (select .cse85 0) 0)) (.cse100 (= (select .cse90 0) 0))) (or (and (or (not .cse99) (not .cse100)) .cse81) (and |v_append_#t~short6_19| .cse99 .cse100))) (= (store |v_#memory_$Pointer$.offset_66| v_append_~node~0.base_BEFORE_RETURN_2 (store (select |v_#memory_$Pointer$.offset_66| v_append_~node~0.base_BEFORE_RETURN_2) 0 (select .cse98 0))) |v_#memory_$Pointer$.offset_44|))))) .cse71 .cse72))) (<= |v_ULTIMATE.start_main_~userInput~1#1_17| 127) (<= 0 (+ 128 |v_ULTIMATE.start_main_~userInput~1#1_17|)))) .cse33 .cse34 .cse35 .cse36 .cse37) .cse30)))) .cse101) (and .cse31 .cse33 .cse38 .cse34 .cse26 .cse27 .cse28 .cse29 .cse71 (exists ((|v_#valid_54| (Array Int Int)) (|v_ULTIMATE.start_main_~list2~0#1.base_BEFORE_CALL_10| Int) (|v_#memory_$Pointer$.base_65| (Array Int (Array Int Int))) (|v_#memory_int_34| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_65| (Array Int (Array Int Int))) (|v_#memory_int_35| (Array Int (Array Int Int))) (|v_#memory_int_36| (Array Int (Array Int Int))) (|v_#length_30| (Array Int Int)) (|v_#memory_int_156| (Array Int (Array Int Int)))) (let ((.cse103 (select |v_#memory_int_34| |v_ULTIMATE.start_main_~list2~0#1.base_BEFORE_CALL_10|)) (.cse105 (store |v_#valid_54| |c_append_#in~head.base| 1)) (.cse106 (select |v_#memory_int_36| |c_append_#in~head.base|)) (.cse104 (select |v_#memory_int_156| 1))) (and (= (let ((.cse102 (store |v_#memory_$Pointer$.offset_65| |c_append_#in~head.base| (store (store (select |v_#memory_$Pointer$.offset_65| |c_append_#in~head.base|) 0 0) 4 0)))) (store .cse102 |v_ULTIMATE.start_main_~list2~0#1.base_BEFORE_CALL_10| (store (store (select .cse102 |v_ULTIMATE.start_main_~list2~0#1.base_BEFORE_CALL_10|) 0 0) 4 0))) |c_old(#memory_$Pointer$.offset)|) (= |c_old(#memory_int)| (store |v_#memory_int_34| |v_ULTIMATE.start_main_~list2~0#1.base_BEFORE_CALL_10| (store .cse103 4 (select (select |c_old(#memory_int)| |v_ULTIMATE.start_main_~list2~0#1.base_BEFORE_CALL_10|) 4)))) (= (select .cse104 1) 0) (= |c_old(#valid)| (store .cse105 |v_ULTIMATE.start_main_~list2~0#1.base_BEFORE_CALL_10| 1)) (= |v_#memory_int_36| (store |v_#memory_int_156| |c_append_#in~head.base| (store (select |v_#memory_int_156| |c_append_#in~head.base|) 0 (select .cse106 0)))) (= (select |v_#valid_54| |c_append_#in~head.base|) 0) (= (select |v_#valid_54| 1) 1) (= |v_#memory_int_34| (store |v_#memory_int_35| |v_ULTIMATE.start_main_~list2~0#1.base_BEFORE_CALL_10| (store (select |v_#memory_int_35| |v_ULTIMATE.start_main_~list2~0#1.base_BEFORE_CALL_10|) 0 (select .cse103 0)))) (= 0 (select .cse105 |v_ULTIMATE.start_main_~list2~0#1.base_BEFORE_CALL_10|)) (<= (+ |v_ULTIMATE.start_main_~list2~0#1.base_BEFORE_CALL_10| 1) |c_#StackHeapBarrier|) (= (select |v_#length_30| 1) 2) (= (select |v_#valid_54| 2) 1) (= (store (store |v_#length_30| |c_append_#in~head.base| 8) |v_ULTIMATE.start_main_~list2~0#1.base_BEFORE_CALL_10| 8) |c_old(#length)|) (not (= |v_ULTIMATE.start_main_~list2~0#1.base_BEFORE_CALL_10| 0)) (= |v_#memory_int_35| (store |v_#memory_int_36| |c_append_#in~head.base| (store .cse106 4 (select (select |v_#memory_int_35| |c_append_#in~head.base|) 4)))) (= (select .cse104 0) 48) (= (let ((.cse107 (store |v_#memory_$Pointer$.base_65| |c_append_#in~head.base| (store (store (select |v_#memory_$Pointer$.base_65| |c_append_#in~head.base|) 0 0) 4 0)))) (store .cse107 |v_ULTIMATE.start_main_~list2~0#1.base_BEFORE_CALL_10| (store (store (select .cse107 |v_ULTIMATE.start_main_~list2~0#1.base_BEFORE_CALL_10|) 0 0) 4 0))) |c_old(#memory_$Pointer$.base)|) (= (select |v_#valid_54| 0) 0) (= 18 (select |v_#length_30| 2))))) .cse37 .cse101))))))) (<= (+ 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