./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/test-0235-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/test-0235-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 02c65307022e35fe6a7161faa785e5b34e94ccda4b82967e279eadaf3aa37bc3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 02:43:52,065 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 02:43:52,139 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2024-11-14 02:43:52,144 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 02:43:52,144 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 02:43:52,168 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 02:43:52,168 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 02:43:52,168 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 02:43:52,170 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 02:43:52,170 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 02:43:52,170 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 02:43:52,170 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 02:43:52,171 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 02:43:52,171 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 02:43:52,171 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 02:43:52,171 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 02:43:52,171 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 02:43:52,171 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 02:43:52,171 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 02:43:52,171 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 02:43:52,171 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 02:43:52,172 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 02:43:52,172 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-14 02:43:52,172 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-14 02:43:52,172 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 02:43:52,172 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 02:43:52,172 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 02:43:52,172 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 02:43:52,172 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 02:43:52,173 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-14 02:43:52,173 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-14 02:43:52,173 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-14 02:43:52,173 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 02:43:52,173 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 02:43:52,173 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 02:43:52,173 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 02:43:52,173 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 02:43:52,173 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 02:43:52,174 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 02:43:52,174 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 02:43:52,175 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 02:43:52,176 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:43:52,176 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 02:43:52,176 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 02:43:52,176 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 02:43:52,176 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 02:43:52,176 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 02:43:52,177 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 02:43:52,177 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 02:43:52,177 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 02c65307022e35fe6a7161faa785e5b34e94ccda4b82967e279eadaf3aa37bc3 [2024-11-14 02:43:52,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 02:43:52,534 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 02:43:52,536 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 02:43:52,537 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 02:43:52,538 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 02:43:52,539 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/memsafety/test-0235-3.i Unable to find full path for "g++" [2024-11-14 02:43:54,453 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 02:43:54,884 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 02:43:54,886 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/sv-benchmarks/c/memsafety/test-0235-3.i [2024-11-14 02:43:54,904 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/data/719da2598/ff5abf6061734928a88b5aa2cc51f6ef/FLAGbbbc57661 [2024-11-14 02:43:54,919 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/data/719da2598/ff5abf6061734928a88b5aa2cc51f6ef [2024-11-14 02:43:54,921 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 02:43:54,923 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 02:43:54,925 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 02:43:54,925 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 02:43:54,930 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 02:43:54,931 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:43:54" (1/1) ... [2024-11-14 02:43:54,932 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25cd080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:43:54, skipping insertion in model container [2024-11-14 02:43:54,932 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:43:54" (1/1) ... [2024-11-14 02:43:54,963 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 02:43:55,338 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:43:55,351 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 02:43:55,406 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:43:55,451 INFO L204 MainTranslator]: Completed translation [2024-11-14 02:43:55,452 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:43:55 WrapperNode [2024-11-14 02:43:55,453 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 02:43:55,454 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 02:43:55,454 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 02:43:55,455 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 02:43:55,461 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:43:55" (1/1) ... [2024-11-14 02:43:55,478 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:43:55" (1/1) ... [2024-11-14 02:43:55,508 INFO L138 Inliner]: procedures = 188, calls = 73, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 236 [2024-11-14 02:43:55,509 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 02:43:55,509 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 02:43:55,509 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 02:43:55,510 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 02:43:55,516 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:43:55" (1/1) ... [2024-11-14 02:43:55,517 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:43:55" (1/1) ... [2024-11-14 02:43:55,522 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:43:55" (1/1) ... [2024-11-14 02:43:55,522 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:43:55" (1/1) ... [2024-11-14 02:43:55,539 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:43:55" (1/1) ... [2024-11-14 02:43:55,548 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:43:55" (1/1) ... [2024-11-14 02:43:55,550 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:43:55" (1/1) ... [2024-11-14 02:43:55,554 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:43:55" (1/1) ... [2024-11-14 02:43:55,562 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 02:43:55,563 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 02:43:55,563 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 02:43:55,563 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 02:43:55,564 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:43:55" (1/1) ... [2024-11-14 02:43:55,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:43:55,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:43:55,603 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 02:43:55,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 02:43:55,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-14 02:43:55,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 02:43:55,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-14 02:43:55,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-14 02:43:55,637 INFO L130 BoogieDeclarations]: Found specification of procedure zalloc_or_die [2024-11-14 02:43:55,637 INFO L138 BoogieDeclarations]: Found implementation of procedure zalloc_or_die [2024-11-14 02:43:55,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 02:43:55,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-14 02:43:55,638 INFO L130 BoogieDeclarations]: Found specification of procedure l0_destroy [2024-11-14 02:43:55,638 INFO L138 BoogieDeclarations]: Found implementation of procedure l0_destroy [2024-11-14 02:43:55,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 02:43:55,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 02:43:55,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 02:43:55,821 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 02:43:55,823 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 02:43:56,645 INFO L? ?]: Removed 203 outVars from TransFormulas that were not future-live. [2024-11-14 02:43:56,645 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 02:43:56,818 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 02:43:56,818 INFO L316 CfgBuilder]: Removed 10 assume(true) statements. [2024-11-14 02:43:56,819 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:43:56 BoogieIcfgContainer [2024-11-14 02:43:56,819 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 02:43:56,824 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 02:43:56,824 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 02:43:56,832 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 02:43:56,832 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 02:43:54" (1/3) ... [2024-11-14 02:43:56,833 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77f980a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:43:56, skipping insertion in model container [2024-11-14 02:43:56,833 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:43:55" (2/3) ... [2024-11-14 02:43:56,833 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77f980a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:43:56, skipping insertion in model container [2024-11-14 02:43:56,833 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:43:56" (3/3) ... [2024-11-14 02:43:56,834 INFO L112 eAbstractionObserver]: Analyzing ICFG test-0235-3.i [2024-11-14 02:43:56,851 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 02:43:56,853 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG test-0235-3.i that has 3 procedures, 211 locations, 1 initial locations, 11 loop locations, and 89 error locations. [2024-11-14 02:43:56,913 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 02:43:56,929 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@2438b4c3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 02:43:56,930 INFO L334 AbstractCegarLoop]: Starting to check reachability of 89 error locations. [2024-11-14 02:43:56,934 INFO L276 IsEmpty]: Start isEmpty. Operand has 211 states, 106 states have (on average 2.1320754716981134) internal successors, (226), 195 states have internal predecessors, (226), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-14 02:43:56,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-14 02:43:56,940 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:43:56,941 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-14 02:43:56,941 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr32REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 86 more)] === [2024-11-14 02:43:56,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:43:56,948 INFO L85 PathProgramCache]: Analyzing trace with hash 451220, now seen corresponding path program 1 times [2024-11-14 02:43:56,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:43:56,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660185184] [2024-11-14 02:43:56,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:43:56,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:43:57,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:43:57,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 02:43:57,099 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:43:57,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660185184] [2024-11-14 02:43:57,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660185184] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:43:57,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:43:57,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 02:43:57,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477940866] [2024-11-14 02:43:57,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:43:57,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 02:43:57,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:43:57,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 02:43:57,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 02:43:57,139 INFO L87 Difference]: Start difference. First operand has 211 states, 106 states have (on average 2.1320754716981134) internal successors, (226), 195 states have internal predecessors, (226), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 02:43:57,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:43:57,267 INFO L93 Difference]: Finished difference Result 211 states and 242 transitions. [2024-11-14 02:43:57,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 02:43:57,274 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2024-11-14 02:43:57,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:43:57,285 INFO L225 Difference]: With dead ends: 211 [2024-11-14 02:43:57,286 INFO L226 Difference]: Without dead ends: 210 [2024-11-14 02:43:57,289 INFO L431 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 [2024-11-14 02:43:57,291 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 02:43:57,296 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 218 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 02:43:57,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-11-14 02:43:57,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 210. [2024-11-14 02:43:57,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 106 states have (on average 2.0283018867924527) internal successors, (215), 194 states have internal predecessors, (215), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-14 02:43:57,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 241 transitions. [2024-11-14 02:43:57,367 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 241 transitions. Word has length 3 [2024-11-14 02:43:57,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:43:57,367 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 241 transitions. [2024-11-14 02:43:57,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 02:43:57,367 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 241 transitions. [2024-11-14 02:43:57,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-14 02:43:57,369 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:43:57,369 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-14 02:43:57,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 02:43:57,369 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting zalloc_or_dieErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 86 more)] === [2024-11-14 02:43:57,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:43:57,370 INFO L85 PathProgramCache]: Analyzing trace with hash 430014558, now seen corresponding path program 1 times [2024-11-14 02:43:57,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:43:57,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330612664] [2024-11-14 02:43:57,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:43:57,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:43:57,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:43:57,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 02:43:57,594 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:43:57,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330612664] [2024-11-14 02:43:57,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330612664] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:43:57,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:43:57,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 02:43:57,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121441084] [2024-11-14 02:43:57,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:43:57,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 02:43:57,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:43:57,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 02:43:57,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 02:43:57,597 INFO L87 Difference]: Start difference. First operand 210 states and 241 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 02:43:57,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:43:57,859 INFO L93 Difference]: Finished difference Result 209 states and 240 transitions. [2024-11-14 02:43:57,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 02:43:57,861 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-14 02:43:57,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:43:57,863 INFO L225 Difference]: With dead ends: 209 [2024-11-14 02:43:57,863 INFO L226 Difference]: Without dead ends: 209 [2024-11-14 02:43:57,863 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 02:43:57,866 INFO L432 NwaCegarLoop]: 213 mSDtfsCounter, 3 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 02:43:57,867 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 365 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 02:43:57,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-11-14 02:43:57,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2024-11-14 02:43:57,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 106 states have (on average 2.018867924528302) internal successors, (214), 193 states have internal predecessors, (214), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-14 02:43:57,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 240 transitions. [2024-11-14 02:43:57,891 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 240 transitions. Word has length 5 [2024-11-14 02:43:57,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:43:57,891 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 240 transitions. [2024-11-14 02:43:57,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 02:43:57,892 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 240 transitions. [2024-11-14 02:43:57,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-14 02:43:57,892 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:43:57,896 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-14 02:43:57,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 02:43:57,896 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting zalloc_or_dieErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 86 more)] === [2024-11-14 02:43:57,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:43:57,897 INFO L85 PathProgramCache]: Analyzing trace with hash 445549826, now seen corresponding path program 1 times [2024-11-14 02:43:57,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:43:57,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052996440] [2024-11-14 02:43:57,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:43:57,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:43:57,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 02:43:57,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [593300866] [2024-11-14 02:43:57,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:43:57,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:43:57,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:43:57,946 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 02:43:57,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 02:43:58,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:43:58,049 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-14 02:43:58,054 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:43:58,157 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-14 02:43:58,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 02:43:58,191 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 02:43:58,191 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:43:58,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052996440] [2024-11-14 02:43:58,192 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-14 02:43:58,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [593300866] [2024-11-14 02:43:58,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [593300866] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:43:58,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:43:58,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 02:43:58,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970851653] [2024-11-14 02:43:58,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:43:58,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 02:43:58,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:43:58,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 02:43:58,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 02:43:58,196 INFO L87 Difference]: Start difference. First operand 209 states and 240 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 02:43:58,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:43:58,500 INFO L93 Difference]: Finished difference Result 214 states and 245 transitions. [2024-11-14 02:43:58,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 02:43:58,501 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-14 02:43:58,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:43:58,503 INFO L225 Difference]: With dead ends: 214 [2024-11-14 02:43:58,504 INFO L226 Difference]: Without dead ends: 214 [2024-11-14 02:43:58,504 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 02:43:58,505 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 7 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 573 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-14 02:43:58,505 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 573 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-14 02:43:58,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2024-11-14 02:43:58,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 214. [2024-11-14 02:43:58,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 110 states have (on average 1.990909090909091) internal successors, (219), 197 states have internal predecessors, (219), 13 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-14 02:43:58,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 245 transitions. [2024-11-14 02:43:58,525 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 245 transitions. Word has length 6 [2024-11-14 02:43:58,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:43:58,526 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 245 transitions. [2024-11-14 02:43:58,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 02:43:58,527 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 245 transitions. [2024-11-14 02:43:58,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-14 02:43:58,528 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:43:58,528 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:43:58,545 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 02:43:58,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:43:58,732 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting zalloc_or_dieErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 86 more)] === [2024-11-14 02:43:58,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:43:58,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1636036604, now seen corresponding path program 1 times [2024-11-14 02:43:58,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:43:58,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006684481] [2024-11-14 02:43:58,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:43:58,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:43:58,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 02:43:58,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [702088441] [2024-11-14 02:43:58,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:43:58,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:43:58,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:43:58,892 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 02:43:58,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-14 02:43:59,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:43:59,134 INFO L255 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-14 02:43:59,140 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:43:59,186 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-11-14 02:43:59,257 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-14 02:43:59,320 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-14 02:43:59,321 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 02:43:59,321 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:43:59,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006684481] [2024-11-14 02:43:59,321 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-14 02:43:59,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [702088441] [2024-11-14 02:43:59,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [702088441] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:43:59,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:43:59,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 02:43:59,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239349095] [2024-11-14 02:43:59,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:43:59,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 02:43:59,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:43:59,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 02:43:59,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 02:43:59,328 INFO L87 Difference]: Start difference. First operand 214 states and 245 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-14 02:43:59,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:43:59,643 INFO L93 Difference]: Finished difference Result 218 states and 249 transitions. [2024-11-14 02:43:59,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 02:43:59,644 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 45 [2024-11-14 02:43:59,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:43:59,646 INFO L225 Difference]: With dead ends: 218 [2024-11-14 02:43:59,647 INFO L226 Difference]: Without dead ends: 216 [2024-11-14 02:43:59,648 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-14 02:43:59,649 INFO L432 NwaCegarLoop]: 213 mSDtfsCounter, 3 mSDsluCounter, 571 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 784 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-14 02:43:59,649 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 784 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-14 02:43:59,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2024-11-14 02:43:59,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2024-11-14 02:43:59,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 112 states have (on average 1.9732142857142858) internal successors, (221), 199 states have internal predecessors, (221), 13 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-14 02:43:59,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 247 transitions. [2024-11-14 02:43:59,674 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 247 transitions. Word has length 45 [2024-11-14 02:43:59,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:43:59,674 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 247 transitions. [2024-11-14 02:43:59,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-14 02:43:59,675 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 247 transitions. [2024-11-14 02:43:59,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-14 02:43:59,675 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:43:59,676 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:43:59,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-14 02:43:59,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:43:59,882 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting zalloc_or_dieErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 86 more)] === [2024-11-14 02:43:59,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:43:59,883 INFO L85 PathProgramCache]: Analyzing trace with hash -189151348, now seen corresponding path program 1 times [2024-11-14 02:43:59,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:43:59,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966437562] [2024-11-14 02:43:59,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:43:59,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:44:00,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 02:44:00,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [530400820] [2024-11-14 02:44:00,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:44:00,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:44:00,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:44:00,226 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 02:44:00,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-14 02:44:00,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:44:00,518 INFO L255 TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 69 conjuncts are in the unsatisfiable core [2024-11-14 02:44:00,526 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:44:00,629 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 64 proven. 7 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-14 02:44:00,633 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:44:01,017 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 43 proven. 1 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-14 02:44:01,018 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:44:01,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966437562] [2024-11-14 02:44:01,018 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-14 02:44:01,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [530400820] [2024-11-14 02:44:01,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [530400820] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 02:44:01,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1578917565] [2024-11-14 02:44:01,038 INFO L159 IcfgInterpreter]: Started Sifa with 23 locations of interest [2024-11-14 02:44:01,038 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 02:44:01,042 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 02:44:01,051 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 02:44:01,052 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 02:44:02,722 INFO L197 IcfgInterpreter]: Interpreting procedure zalloc_or_die with input of size 65 for LOIs [2024-11-14 02:44:03,138 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 02:44:04,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1578917565] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:44:04,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-14 02:44:04,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [7, 6] total 26 [2024-11-14 02:44:04,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857131498] [2024-11-14 02:44:04,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:44:04,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-14 02:44:04,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:44:04,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-14 02:44:04,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=560, Unknown=0, NotChecked=0, Total=650 [2024-11-14 02:44:04,800 INFO L87 Difference]: Start difference. First operand 216 states and 247 transitions. Second operand has 17 states, 10 states have (on average 1.7) internal successors, (17), 13 states have internal predecessors, (17), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (5), 3 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-14 02:44:07,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:44:07,190 INFO L93 Difference]: Finished difference Result 292 states and 337 transitions. [2024-11-14 02:44:07,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-14 02:44:07,190 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 10 states have (on average 1.7) internal successors, (17), 13 states have internal predecessors, (17), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (5), 3 states have call predecessors, (5), 5 states have call successors, (5) Word has length 50 [2024-11-14 02:44:07,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:44:07,192 INFO L225 Difference]: With dead ends: 292 [2024-11-14 02:44:07,192 INFO L226 Difference]: Without dead ends: 292 [2024-11-14 02:44:07,192 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 117 SyntacticMatches, 7 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=133, Invalid=797, Unknown=0, NotChecked=0, Total=930 [2024-11-14 02:44:07,194 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 136 mSDsluCounter, 1418 mSDsCounter, 0 mSdLazyCounter, 1336 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 1591 SdHoareTripleChecker+Invalid, 1349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-14 02:44:07,194 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 1591 Invalid, 1349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1336 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-14 02:44:07,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2024-11-14 02:44:07,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 261. [2024-11-14 02:44:07,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 149 states have (on average 1.9463087248322148) internal successors, (290), 236 states have internal predecessors, (290), 19 states have call successors, (19), 5 states have call predecessors, (19), 5 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-14 02:44:07,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 328 transitions. [2024-11-14 02:44:07,223 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 328 transitions. Word has length 50 [2024-11-14 02:44:07,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:44:07,223 INFO L471 AbstractCegarLoop]: Abstraction has 261 states and 328 transitions. [2024-11-14 02:44:07,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 10 states have (on average 1.7) internal successors, (17), 13 states have internal predecessors, (17), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (5), 3 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-14 02:44:07,224 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 328 transitions. [2024-11-14 02:44:07,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-14 02:44:07,225 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:44:07,225 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:44:07,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-14 02:44:07,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:44:07,425 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 86 more)] === [2024-11-14 02:44:07,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:44:07,426 INFO L85 PathProgramCache]: Analyzing trace with hash -319201292, now seen corresponding path program 1 times [2024-11-14 02:44:07,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:44:07,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226750647] [2024-11-14 02:44:07,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:44:07,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:44:07,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:44:08,170 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 61 proven. 7 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-14 02:44:08,170 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:44:08,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226750647] [2024-11-14 02:44:08,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226750647] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 02:44:08,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1510008424] [2024-11-14 02:44:08,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:44:08,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:44:08,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:44:08,174 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 02:44:08,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-14 02:44:08,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:44:08,389 INFO L255 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-14 02:44:08,392 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:44:08,453 WARN L873 $PredicateComparison]: unable to prove that (exists ((|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (= (store |c_old(#valid)| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1) |c_#valid|)) is different from true [2024-11-14 02:44:08,478 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2024-11-14 02:44:08,478 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2024-11-14 02:44:08,492 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 61 proven. 1 refuted. 0 times theorem prover too weak. 58 trivial. 6 not checked. [2024-11-14 02:44:08,492 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:44:08,698 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-11-14 02:44:08,698 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 11 [2024-11-14 02:44:08,724 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 61 proven. 7 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-14 02:44:08,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1510008424] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 02:44:08,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [857861735] [2024-11-14 02:44:08,726 INFO L159 IcfgInterpreter]: Started Sifa with 24 locations of interest [2024-11-14 02:44:08,728 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 02:44:08,728 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 02:44:08,728 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 02:44:08,729 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 02:44:10,999 INFO L197 IcfgInterpreter]: Interpreting procedure zalloc_or_die with input of size 65 for LOIs [2024-11-14 02:44:11,179 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 02:44:16,486 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3295#(and (<= 1 |#StackHeapBarrier|) (= |~#list~0.offset| 0) (= |ULTIMATE.start_l4_insert_~item~0#1.offset| 0) (= |ULTIMATE.start_l0_insert_~list#1.base| 3) (= 3 |~#list~0.base|) (exists ((|v_ULTIMATE.start_l4_insert_~item~0#1.base_21| Int)) (and (not (= (select |#valid| |v_ULTIMATE.start_l4_insert_~item~0#1.base_21|) 1)) (or (and (not (= |ULTIMATE.start_l1_insert_~item~3#1.base| 0)) (exists ((|v_#memory_$Pointer$.offset_BEFORE_CALL_30| (Array Int (Array Int Int)))) (= (select (select |v_#memory_$Pointer$.offset_BEFORE_CALL_30| 3) 0) 0)) (not (= |ULTIMATE.start_l2_insert_~item~2#1.base| 0)) (not (= |ULTIMATE.start_l0_insert_~item~4#1.base| 0)) (= (select |ULTIMATE.start_main_old_#valid#1| 1) 1) (= (select |ULTIMATE.start_main_old_#valid#1| 2) 1) (= (select |ULTIMATE.start_main_old_#valid#1| 3) 1) (= |ULTIMATE.start_l3_insert_~list#1.base| |ULTIMATE.start_l2_insert_~item~2#1.base|) (not (= |ULTIMATE.start_l3_insert_~item~1#1.base| 0)) (exists ((|v_zalloc_or_die_#Ultimate.C_memset_#t~loopctr41#1_93| Int) (|v_zalloc_or_die_#Ultimate.C_memset_#amount#1_71| Int)) (and (<= (mod |v_zalloc_or_die_#Ultimate.C_memset_#amount#1_71| 4294967296) (mod |v_zalloc_or_die_#Ultimate.C_memset_#t~loopctr41#1_93| 4294967296)) (<= 0 |v_zalloc_or_die_#Ultimate.C_memset_#t~loopctr41#1_93|))) (= |ULTIMATE.start_l4_insert_~list#1.base| |ULTIMATE.start_l3_insert_~item~1#1.base|) (= |ULTIMATE.start_l2_insert_~list#1.base| |ULTIMATE.start_l1_insert_~item~3#1.base|) (not (= |ULTIMATE.start_l4_insert_#t~ret7#1.base| 0)) (exists ((|v_#length_BEFORE_CALL_30| (Array Int Int))) (and (= (select |v_#length_BEFORE_CALL_30| 3) 4) (= 2 (select |v_#length_BEFORE_CALL_30| 1)) (= 14 (select |v_#length_BEFORE_CALL_30| 2)))) (exists ((|v_#memory_int_BEFORE_CALL_30| (Array Int (Array Int Int)))) (and (= (select (select |v_#memory_int_BEFORE_CALL_30| 1) 1) 0) (= 48 (select (select |v_#memory_int_BEFORE_CALL_30| 1) 0)))) (exists ((|v_#memory_$Pointer$.base_BEFORE_CALL_30| (Array Int (Array Int Int)))) (= (select (select |v_#memory_$Pointer$.base_BEFORE_CALL_30| 3) 0) 0)) (= |ULTIMATE.start_l1_insert_~list#1.base| |ULTIMATE.start_l0_insert_~item~4#1.base|) (= (select |ULTIMATE.start_main_old_#valid#1| 0) 0) (not (= |v_ULTIMATE.start_l4_insert_~item~0#1.base_21| 0))) (and (not (= |ULTIMATE.start_l1_insert_~item~3#1.base| 0)) (exists ((|v_#memory_$Pointer$.offset_BEFORE_CALL_28| (Array Int (Array Int Int)))) (= (select (select |v_#memory_$Pointer$.offset_BEFORE_CALL_28| 3) 0) 0)) (exists ((|v_#memory_$Pointer$.base_BEFORE_CALL_28| (Array Int (Array Int Int)))) (= (select (select |v_#memory_$Pointer$.base_BEFORE_CALL_28| 3) 0) 0)) (exists ((|v_#length_BEFORE_CALL_28| (Array Int Int))) (and (= (select |v_#length_BEFORE_CALL_28| 3) 4) (= (select |v_#length_BEFORE_CALL_28| 2) 14) (= (select |v_#length_BEFORE_CALL_28| 1) 2))) (not (= |ULTIMATE.start_l2_insert_~item~2#1.base| 0)) (not (= |ULTIMATE.start_l0_insert_~item~4#1.base| 0)) (= (select |ULTIMATE.start_main_old_#valid#1| 1) 1) (= (select |ULTIMATE.start_main_old_#valid#1| 2) 1) (exists ((|v_#memory_int_BEFORE_CALL_28| (Array Int (Array Int Int)))) (and (= 48 (select (select |v_#memory_int_BEFORE_CALL_28| 1) 0)) (= (select (select |v_#memory_int_BEFORE_CALL_28| 1) 1) 0))) (= (select |ULTIMATE.start_main_old_#valid#1| 3) 1) (= |ULTIMATE.start_l3_insert_~list#1.base| |ULTIMATE.start_l2_insert_~item~2#1.base|) (not (= |ULTIMATE.start_l3_insert_~item~1#1.base| 0)) (exists ((|v_zalloc_or_die_#Ultimate.C_memset_#t~loopctr41#1_93| Int) (|v_zalloc_or_die_#Ultimate.C_memset_#amount#1_71| Int)) (and (<= (mod |v_zalloc_or_die_#Ultimate.C_memset_#amount#1_71| 4294967296) (mod |v_zalloc_or_die_#Ultimate.C_memset_#t~loopctr41#1_93| 4294967296)) (<= 0 |v_zalloc_or_die_#Ultimate.C_memset_#t~loopctr41#1_93|))) (= |ULTIMATE.start_l4_insert_~list#1.base| |ULTIMATE.start_l3_insert_~item~1#1.base|) (= |ULTIMATE.start_l2_insert_~list#1.base| |ULTIMATE.start_l1_insert_~item~3#1.base|) (not (= |ULTIMATE.start_l4_insert_#t~ret7#1.base| 0)) (= |ULTIMATE.start_l1_insert_~list#1.base| |ULTIMATE.start_l0_insert_~item~4#1.base|) (= (select |ULTIMATE.start_main_old_#valid#1| 0) 0) (not (= |v_ULTIMATE.start_l4_insert_~item~0#1.base_21| 0)))))) (= |ULTIMATE.start_l1_insert_~list#1.offset| 4) (= |ULTIMATE.start_l0_insert_~list#1.offset| 0) (= 0 |ULTIMATE.start_l4_insert_~list#1.offset|) (= |ULTIMATE.start_l3_insert_~list#1.offset| 4) (= |ULTIMATE.start_l4_insert_#t~ret7#1.offset| 0) (= |ULTIMATE.start_l0_insert_~item~4#1.offset| 0) (= |ULTIMATE.start_l1_insert_~item~3#1.offset| 0) (= |ULTIMATE.start_l2_insert_~item~2#1.offset| 0) (= |ULTIMATE.start_l2_insert_~list#1.offset| 0) (= |ULTIMATE.start_l3_insert_~item~1#1.offset| 0))' at error location [2024-11-14 02:44:16,489 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 02:44:16,489 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 02:44:16,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 8] total 13 [2024-11-14 02:44:16,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255173955] [2024-11-14 02:44:16,489 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 02:44:16,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-14 02:44:16,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:44:16,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-14 02:44:16,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=1034, Unknown=1, NotChecked=66, Total=1260 [2024-11-14 02:44:16,492 INFO L87 Difference]: Start difference. First operand 261 states and 328 transitions. Second operand has 14 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 12 states have internal predecessors, (39), 2 states have call successors, (7), 3 states have call predecessors, (7), 5 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-14 02:44:17,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:44:17,258 INFO L93 Difference]: Finished difference Result 351 states and 437 transitions. [2024-11-14 02:44:17,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-14 02:44:17,259 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 12 states have internal predecessors, (39), 2 states have call successors, (7), 3 states have call predecessors, (7), 5 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) Word has length 54 [2024-11-14 02:44:17,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:44:17,263 INFO L225 Difference]: With dead ends: 351 [2024-11-14 02:44:17,263 INFO L226 Difference]: Without dead ends: 351 [2024-11-14 02:44:17,264 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 126 SyntacticMatches, 10 SemanticMatches, 37 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 323 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=182, Invalid=1227, Unknown=1, NotChecked=72, Total=1482 [2024-11-14 02:44:17,265 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 319 mSDsluCounter, 1157 mSDsCounter, 0 mSdLazyCounter, 846 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 1337 SdHoareTripleChecker+Invalid, 1230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 846 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 347 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-14 02:44:17,266 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [319 Valid, 1337 Invalid, 1230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 846 Invalid, 0 Unknown, 347 Unchecked, 0.6s Time] [2024-11-14 02:44:17,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2024-11-14 02:44:17,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 259. [2024-11-14 02:44:17,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 149 states have (on average 1.919463087248322) internal successors, (286), 234 states have internal predecessors, (286), 19 states have call successors, (19), 5 states have call predecessors, (19), 5 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-14 02:44:17,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 324 transitions. [2024-11-14 02:44:17,286 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 324 transitions. Word has length 54 [2024-11-14 02:44:17,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:44:17,287 INFO L471 AbstractCegarLoop]: Abstraction has 259 states and 324 transitions. [2024-11-14 02:44:17,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 12 states have internal predecessors, (39), 2 states have call successors, (7), 3 states have call predecessors, (7), 5 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-14 02:44:17,287 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 324 transitions. [2024-11-14 02:44:17,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-14 02:44:17,288 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:44:17,288 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:44:17,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-14 02:44:17,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:44:17,492 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 86 more)] === [2024-11-14 02:44:17,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:44:17,493 INFO L85 PathProgramCache]: Analyzing trace with hash -319201291, now seen corresponding path program 1 times [2024-11-14 02:44:17,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:44:17,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371583567] [2024-11-14 02:44:17,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:44:17,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:44:17,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 02:44:17,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [229885033] [2024-11-14 02:44:17,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:44:17,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:44:17,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:44:17,632 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 02:44:17,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-14 02:44:17,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:44:17,949 INFO L255 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-14 02:44:17,953 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:44:17,971 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-11-14 02:44:17,998 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-14 02:44:18,047 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 34 proven. 18 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-11-14 02:44:18,047 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:44:18,247 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 35 proven. 1 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-14 02:44:18,247 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:44:18,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371583567] [2024-11-14 02:44:18,247 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-14 02:44:18,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [229885033] [2024-11-14 02:44:18,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [229885033] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 02:44:18,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [286776701] [2024-11-14 02:44:18,249 INFO L159 IcfgInterpreter]: Started Sifa with 24 locations of interest [2024-11-14 02:44:18,249 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 02:44:18,250 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 02:44:18,250 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 02:44:18,250 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 02:44:18,949 INFO L197 IcfgInterpreter]: Interpreting procedure zalloc_or_die with input of size 65 for LOIs [2024-11-14 02:44:19,162 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 02:44:20,736 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4263#(and (<= 1 |#StackHeapBarrier|) (= |~#list~0.offset| 0) (= |ULTIMATE.start_l0_insert_~list#1.base| 3) (= 3 |~#list~0.base|) (= |ULTIMATE.start_l0_insert_~list#1.offset| 0) (not (= |ULTIMATE.start_l4_insert_#t~ret7#1.base| 0)) (exists ((|v_zalloc_or_die_#Ultimate.C_memset_#res#1.offset_82| Int) (|v_zalloc_or_die_#Ultimate.C_memset_#value#1_97| Int) (|v_zalloc_or_die_#Ultimate.C_memset_#amount#1_94| Int) (|v_zalloc_or_die_#Ultimate.C_memset_#t~loopctr41#1_131| Int)) (and (= 0 |v_zalloc_or_die_#Ultimate.C_memset_#res#1.offset_82|) (<= 0 |v_zalloc_or_die_#Ultimate.C_memset_#t~loopctr41#1_131|) (<= (mod |v_zalloc_or_die_#Ultimate.C_memset_#amount#1_94| 4294967296) (mod |v_zalloc_or_die_#Ultimate.C_memset_#t~loopctr41#1_131| 4294967296)) (= |ULTIMATE.start_l4_insert_#t~ret7#1.offset| 0) (= |v_zalloc_or_die_#Ultimate.C_memset_#value#1_97| 0))))' at error location [2024-11-14 02:44:20,737 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 02:44:20,737 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-14 02:44:20,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2024-11-14 02:44:20,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341532457] [2024-11-14 02:44:20,737 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-14 02:44:20,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-14 02:44:20,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:44:20,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-14 02:44:20,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=611, Unknown=0, NotChecked=0, Total=702 [2024-11-14 02:44:20,739 INFO L87 Difference]: Start difference. First operand 259 states and 324 transitions. Second operand has 11 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 11 states have internal predecessors, (29), 1 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-14 02:44:21,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:44:21,320 INFO L93 Difference]: Finished difference Result 273 states and 340 transitions. [2024-11-14 02:44:21,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-14 02:44:21,320 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 11 states have internal predecessors, (29), 1 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) Word has length 54 [2024-11-14 02:44:21,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:44:21,321 INFO L225 Difference]: With dead ends: 273 [2024-11-14 02:44:21,321 INFO L226 Difference]: Without dead ends: 267 [2024-11-14 02:44:21,322 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 129 SyntacticMatches, 6 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 309 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=156, Invalid=966, Unknown=0, NotChecked=0, Total=1122 [2024-11-14 02:44:21,322 INFO L432 NwaCegarLoop]: 205 mSDtfsCounter, 21 mSDsluCounter, 1504 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 1709 SdHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-14 02:44:21,323 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 1709 Invalid, 441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 410 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-14 02:44:21,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2024-11-14 02:44:21,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 267. [2024-11-14 02:44:21,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 157 states have (on average 1.872611464968153) internal successors, (294), 242 states have internal predecessors, (294), 19 states have call successors, (19), 5 states have call predecessors, (19), 5 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-14 02:44:21,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 332 transitions. [2024-11-14 02:44:21,338 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 332 transitions. Word has length 54 [2024-11-14 02:44:21,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:44:21,338 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 332 transitions. [2024-11-14 02:44:21,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 11 states have internal predecessors, (29), 1 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-14 02:44:21,339 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 332 transitions. [2024-11-14 02:44:21,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-14 02:44:21,340 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:44:21,340 INFO L215 NwaCegarLoop]: trace histogram [14, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:44:21,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-14 02:44:21,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:44:21,541 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 86 more)] === [2024-11-14 02:44:21,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:44:21,541 INFO L85 PathProgramCache]: Analyzing trace with hash -613151727, now seen corresponding path program 2 times [2024-11-14 02:44:21,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:44:21,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547194721] [2024-11-14 02:44:21,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:44:21,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:44:21,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 02:44:21,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1653154924] [2024-11-14 02:44:21,691 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-14 02:44:21,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:44:21,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:44:21,693 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 02:44:21,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-14 02:44:21,992 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-14 02:44:21,993 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 02:44:21,995 INFO L255 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-14 02:44:21,998 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:44:22,075 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 90 proven. 10 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2024-11-14 02:44:22,076 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:44:22,312 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 90 proven. 10 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2024-11-14 02:44:22,312 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:44:22,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547194721] [2024-11-14 02:44:22,312 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-14 02:44:22,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1653154924] [2024-11-14 02:44:22,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1653154924] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 02:44:22,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1588102456] [2024-11-14 02:44:22,316 INFO L159 IcfgInterpreter]: Started Sifa with 24 locations of interest [2024-11-14 02:44:22,316 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 02:44:22,316 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 02:44:22,317 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 02:44:22,317 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 02:44:22,901 INFO L197 IcfgInterpreter]: Interpreting procedure zalloc_or_die with input of size 65 for LOIs [2024-11-14 02:44:23,043 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 02:44:24,495 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '5215#(and (<= 1 |#StackHeapBarrier|) (= |~#list~0.offset| 0) (= |ULTIMATE.start_l0_insert_~list#1.base| 3) (= 3 |~#list~0.base|) (= |ULTIMATE.start_l0_insert_~list#1.offset| 0) (not (= |ULTIMATE.start_l4_insert_#t~ret7#1.base| 0)) (exists ((|v_zalloc_or_die_#Ultimate.C_memset_#res#1.offset_107| Int) (|v_zalloc_or_die_#Ultimate.C_memset_#value#1_129| Int) (|v_zalloc_or_die_#Ultimate.C_memset_#amount#1_121| Int) (|v_zalloc_or_die_#Ultimate.C_memset_#t~loopctr41#1_185| Int)) (and (<= (mod |v_zalloc_or_die_#Ultimate.C_memset_#amount#1_121| 4294967296) (mod |v_zalloc_or_die_#Ultimate.C_memset_#t~loopctr41#1_185| 4294967296)) (<= 0 |v_zalloc_or_die_#Ultimate.C_memset_#t~loopctr41#1_185|) (= |v_zalloc_or_die_#Ultimate.C_memset_#value#1_129| 0) (= |ULTIMATE.start_l4_insert_#t~ret7#1.offset| 0) (= |v_zalloc_or_die_#Ultimate.C_memset_#res#1.offset_107| 0))))' at error location [2024-11-14 02:44:24,495 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 02:44:24,496 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-14 02:44:24,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2024-11-14 02:44:24,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017626975] [2024-11-14 02:44:24,496 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-14 02:44:24,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-14 02:44:24,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:44:24,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-14 02:44:24,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=857, Unknown=0, NotChecked=0, Total=992 [2024-11-14 02:44:24,497 INFO L87 Difference]: Start difference. First operand 267 states and 332 transitions. Second operand has 16 states, 14 states have (on average 2.357142857142857) internal successors, (33), 16 states have internal predecessors, (33), 1 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-14 02:44:25,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:44:25,229 INFO L93 Difference]: Finished difference Result 291 states and 368 transitions. [2024-11-14 02:44:25,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-14 02:44:25,229 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 2.357142857142857) internal successors, (33), 16 states have internal predecessors, (33), 1 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) Word has length 62 [2024-11-14 02:44:25,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:44:25,231 INFO L225 Difference]: With dead ends: 291 [2024-11-14 02:44:25,231 INFO L226 Difference]: Without dead ends: 285 [2024-11-14 02:44:25,231 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 148 SyntacticMatches, 6 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 562 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=305, Invalid=1501, Unknown=0, NotChecked=0, Total=1806 [2024-11-14 02:44:25,232 INFO L432 NwaCegarLoop]: 206 mSDtfsCounter, 27 mSDsluCounter, 1205 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 1411 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-14 02:44:25,232 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 1411 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-14 02:44:25,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2024-11-14 02:44:25,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 285. [2024-11-14 02:44:25,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 175 states have (on average 1.782857142857143) internal successors, (312), 260 states have internal predecessors, (312), 19 states have call successors, (19), 5 states have call predecessors, (19), 5 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-14 02:44:25,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 350 transitions. [2024-11-14 02:44:25,242 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 350 transitions. Word has length 62 [2024-11-14 02:44:25,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:44:25,242 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 350 transitions. [2024-11-14 02:44:25,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 2.357142857142857) internal successors, (33), 16 states have internal predecessors, (33), 1 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-14 02:44:25,242 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 350 transitions. [2024-11-14 02:44:25,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-14 02:44:25,243 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:44:25,243 INFO L215 NwaCegarLoop]: trace histogram [35, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:44:25,251 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-14 02:44:25,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:44:25,447 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 86 more)] === [2024-11-14 02:44:25,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:44:25,448 INFO L85 PathProgramCache]: Analyzing trace with hash -116972543, now seen corresponding path program 3 times [2024-11-14 02:44:25,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:44:25,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586600361] [2024-11-14 02:44:25,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:44:25,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:44:25,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 02:44:25,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [589429227] [2024-11-14 02:44:25,719 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-14 02:44:25,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:44:25,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:44:25,721 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 02:44:25,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-14 02:44:26,757 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-14 02:44:26,757 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 02:44:26,762 INFO L255 TraceCheckSpWp]: Trace formula consists of 1000 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-14 02:44:26,767 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:44:26,782 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-14 02:44:26,788 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-11-14 02:44:26,967 WARN L873 $PredicateComparison]: unable to prove that (exists ((|zalloc_or_die_calloc_model_~ptr~0#1.base| Int)) (and (= (store |c_old(#length)| |zalloc_or_die_calloc_model_~ptr~0#1.base| (select |c_#length| |zalloc_or_die_calloc_model_~ptr~0#1.base|)) |c_#length|) (= (select |c_old(#valid)| |zalloc_or_die_calloc_model_~ptr~0#1.base|) 0))) is different from true [2024-11-14 02:44:27,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 02:44:27,045 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-11-14 02:44:27,054 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-14 02:44:27,054 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-14 02:44:27,071 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 437 proven. 0 refuted. 0 times theorem prover too weak. 374 trivial. 69 not checked. [2024-11-14 02:44:27,071 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:44:27,177 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:44:27,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586600361] [2024-11-14 02:44:27,177 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-14 02:44:27,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [589429227] [2024-11-14 02:44:27,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [589429227] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 02:44:27,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [295801226] [2024-11-14 02:44:27,180 INFO L159 IcfgInterpreter]: Started Sifa with 24 locations of interest [2024-11-14 02:44:27,180 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 02:44:27,180 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 02:44:27,180 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 02:44:27,180 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 02:44:27,942 INFO L197 IcfgInterpreter]: Interpreting procedure zalloc_or_die with input of size 65 for LOIs [2024-11-14 02:44:28,090 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 02:44:29,550 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '6093#(and (<= 1 |#StackHeapBarrier|) (= |~#list~0.offset| 0) (= |ULTIMATE.start_l0_insert_~list#1.base| 3) (= 3 |~#list~0.base|) (= |ULTIMATE.start_l0_insert_~list#1.offset| 0) (not (= |ULTIMATE.start_l4_insert_#t~ret7#1.base| 0)) (exists ((|v_zalloc_or_die_#Ultimate.C_memset_#res#1.offset_116| Int) (|v_zalloc_or_die_#Ultimate.C_memset_#value#1_139| Int) (|v_zalloc_or_die_#Ultimate.C_memset_#t~loopctr41#1_209| Int) (|v_zalloc_or_die_#Ultimate.C_memset_#amount#1_130| Int)) (and (<= (mod |v_zalloc_or_die_#Ultimate.C_memset_#amount#1_130| 4294967296) (mod |v_zalloc_or_die_#Ultimate.C_memset_#t~loopctr41#1_209| 4294967296)) (= |v_zalloc_or_die_#Ultimate.C_memset_#res#1.offset_116| 0) (= |v_zalloc_or_die_#Ultimate.C_memset_#value#1_139| 0) (= |ULTIMATE.start_l4_insert_#t~ret7#1.offset| 0) (<= 0 |v_zalloc_or_die_#Ultimate.C_memset_#t~loopctr41#1_209|))))' at error location [2024-11-14 02:44:29,550 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 02:44:29,550 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-14 02:44:29,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-14 02:44:29,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911597667] [2024-11-14 02:44:29,551 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-14 02:44:29,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-14 02:44:29,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:44:29,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-14 02:44:29,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=624, Unknown=1, NotChecked=50, Total=756 [2024-11-14 02:44:29,557 INFO L87 Difference]: Start difference. First operand 285 states and 350 transitions. Second operand has 10 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-14 02:44:30,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:44:30,761 INFO L93 Difference]: Finished difference Result 375 states and 459 transitions. [2024-11-14 02:44:30,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 02:44:30,762 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 83 [2024-11-14 02:44:30,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:44:30,764 INFO L225 Difference]: With dead ends: 375 [2024-11-14 02:44:30,764 INFO L226 Difference]: Without dead ends: 375 [2024-11-14 02:44:30,765 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 135 SyntacticMatches, 6 SemanticMatches, 29 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=92, Invalid=781, Unknown=1, NotChecked=56, Total=930 [2024-11-14 02:44:30,765 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 116 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 1304 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 1662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 344 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-14 02:44:30,766 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 318 Invalid, 1662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1304 Invalid, 0 Unknown, 344 Unchecked, 1.0s Time] [2024-11-14 02:44:30,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2024-11-14 02:44:30,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 283. [2024-11-14 02:44:30,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 175 states have (on average 1.76) internal successors, (308), 258 states have internal predecessors, (308), 19 states have call successors, (19), 5 states have call predecessors, (19), 5 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-14 02:44:30,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 346 transitions. [2024-11-14 02:44:30,782 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 346 transitions. Word has length 83 [2024-11-14 02:44:30,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:44:30,782 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 346 transitions. [2024-11-14 02:44:30,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-14 02:44:30,783 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 346 transitions. [2024-11-14 02:44:30,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-14 02:44:30,784 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:44:30,784 INFO L215 NwaCegarLoop]: trace histogram [35, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:44:30,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-14 02:44:30,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:44:30,985 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 86 more)] === [2024-11-14 02:44:30,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:44:30,985 INFO L85 PathProgramCache]: Analyzing trace with hash 668830778, now seen corresponding path program 1 times [2024-11-14 02:44:30,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:44:30,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222885495] [2024-11-14 02:44:30,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:44:30,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:44:31,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:44:32,420 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 449 proven. 177 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-11-14 02:44:32,420 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:44:32,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222885495] [2024-11-14 02:44:32,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222885495] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 02:44:32,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1187876038] [2024-11-14 02:44:32,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:44:32,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:44:32,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:44:32,423 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 02:44:32,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-14 02:44:32,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:44:32,810 INFO L255 TraceCheckSpWp]: Trace formula consists of 1016 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-14 02:44:32,813 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:44:32,874 WARN L873 $PredicateComparison]: unable to prove that (exists ((|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (= (store |c_old(#valid)| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1) |c_#valid|)) is different from true [2024-11-14 02:44:32,896 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2024-11-14 02:44:32,896 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2024-11-14 02:44:32,944 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2024-11-14 02:44:32,945 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2024-11-14 02:44:32,957 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 449 proven. 2 refuted. 0 times theorem prover too weak. 323 trivial. 106 not checked. [2024-11-14 02:44:32,957 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:44:33,324 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-11-14 02:44:33,324 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 11 [2024-11-14 02:44:33,340 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 449 proven. 108 refuted. 0 times theorem prover too weak. 323 trivial. 0 not checked. [2024-11-14 02:44:33,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1187876038] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 02:44:33,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1840758331] [2024-11-14 02:44:33,342 INFO L159 IcfgInterpreter]: Started Sifa with 25 locations of interest [2024-11-14 02:44:33,342 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 02:44:33,342 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 02:44:33,343 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 02:44:33,343 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 02:44:34,012 INFO L197 IcfgInterpreter]: Interpreting procedure zalloc_or_die with input of size 65 for LOIs [2024-11-14 02:44:34,163 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 02:44:38,130 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '7289#(and (<= 1 |#StackHeapBarrier|) (= |~#list~0.offset| 0) (= |ULTIMATE.start_l0_insert_~list#1.base| 3) (<= (+ 8 |ULTIMATE.start_l4_insert_~item~0#1.offset|) (select |#length| |ULTIMATE.start_l4_insert_~item~0#1.base|)) (= (select |#valid| |ULTIMATE.start_l4_insert_~item~0#1.base|) 1) (= 3 |~#list~0.base|) (= |ULTIMATE.start_l0_insert_~list#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_l4_insert_~item~0#1.base|) (+ 4 |ULTIMATE.start_l4_insert_~item~0#1.offset|)) 0)) (exists ((|v_#memory_$Pointer$.base_329| (Array Int (Array Int Int)))) (= |#memory_$Pointer$.base| (store |v_#memory_$Pointer$.base_329| |ULTIMATE.start_l4_insert_~item~0#1.base| (store (select |v_#memory_$Pointer$.base_329| |ULTIMATE.start_l4_insert_~item~0#1.base|) (+ 4 |ULTIMATE.start_l4_insert_~item~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_l4_insert_~item~0#1.base|) (+ 4 |ULTIMATE.start_l4_insert_~item~0#1.offset|)))))) (exists ((|v_#memory_int_286| (Array Int (Array Int Int)))) (= (store |v_#memory_int_286| |ULTIMATE.start_l4_insert_~item~0#1.base| (store (select |v_#memory_int_286| |ULTIMATE.start_l4_insert_~item~0#1.base|) (+ 4 |ULTIMATE.start_l4_insert_~item~0#1.offset|) (select (select |#memory_int| |ULTIMATE.start_l4_insert_~item~0#1.base|) (+ 4 |ULTIMATE.start_l4_insert_~item~0#1.offset|)))) |#memory_int|)) (<= 0 (+ 4 |ULTIMATE.start_l4_insert_~item~0#1.offset|)) (exists ((|v_#memory_$Pointer$.offset_329| (Array Int (Array Int Int)))) (= |#memory_$Pointer$.offset| (store |v_#memory_$Pointer$.offset_329| |ULTIMATE.start_l4_insert_~item~0#1.base| (store (select |v_#memory_$Pointer$.offset_329| |ULTIMATE.start_l4_insert_~item~0#1.base|) (+ 4 |ULTIMATE.start_l4_insert_~item~0#1.offset|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_l4_insert_~item~0#1.base|) (+ 4 |ULTIMATE.start_l4_insert_~item~0#1.offset|)))))) (exists ((|v_ULTIMATE.start_l4_insert_~list#1.base_15| Int)) (not (= (select |#valid| |v_ULTIMATE.start_l4_insert_~list#1.base_15|) 1))) (exists ((|v_zalloc_or_die_#Ultimate.C_memset_#value#1_175| Int) (|v_zalloc_or_die_#Ultimate.C_memset_#amount#1_157| Int) (|v_zalloc_or_die_#Ultimate.C_memset_#res#1.offset_143| Int) (|v_zalloc_or_die_#Ultimate.C_memset_#t~loopctr41#1_296| Int)) (and (= |v_zalloc_or_die_#Ultimate.C_memset_#value#1_175| 0) (<= 0 |v_zalloc_or_die_#Ultimate.C_memset_#t~loopctr41#1_296|) (<= (mod |v_zalloc_or_die_#Ultimate.C_memset_#amount#1_157| 4294967296) (mod |v_zalloc_or_die_#Ultimate.C_memset_#t~loopctr41#1_296| 4294967296)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_l4_insert_~item~0#1.base|) (+ 4 |ULTIMATE.start_l4_insert_~item~0#1.offset|)) 0) (= |v_zalloc_or_die_#Ultimate.C_memset_#res#1.offset_143| 0))))' at error location [2024-11-14 02:44:38,130 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 02:44:38,130 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 02:44:38,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 9] total 17 [2024-11-14 02:44:38,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806613302] [2024-11-14 02:44:38,130 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 02:44:38,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-14 02:44:38,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:44:38,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-14 02:44:38,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1075, Unknown=2, NotChecked=66, Total=1260 [2024-11-14 02:44:38,132 INFO L87 Difference]: Start difference. First operand 283 states and 346 transitions. Second operand has 18 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 16 states have internal predecessors, (48), 2 states have call successors, (8), 3 states have call predecessors, (8), 6 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-14 02:44:38,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:44:38,792 INFO L93 Difference]: Finished difference Result 372 states and 453 transitions. [2024-11-14 02:44:38,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 02:44:38,792 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 16 states have internal predecessors, (48), 2 states have call successors, (8), 3 states have call predecessors, (8), 6 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) Word has length 84 [2024-11-14 02:44:38,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:44:38,794 INFO L225 Difference]: With dead ends: 372 [2024-11-14 02:44:38,795 INFO L226 Difference]: Without dead ends: 372 [2024-11-14 02:44:38,795 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 217 SyntacticMatches, 15 SemanticMatches, 38 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 387 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=150, Invalid=1334, Unknown=2, NotChecked=74, Total=1560 [2024-11-14 02:44:38,795 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 530 mSDsluCounter, 1136 mSDsCounter, 0 mSdLazyCounter, 850 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 530 SdHoareTripleChecker+Valid, 1307 SdHoareTripleChecker+Invalid, 1252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 850 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 342 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-14 02:44:38,796 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [530 Valid, 1307 Invalid, 1252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 850 Invalid, 0 Unknown, 342 Unchecked, 0.5s Time] [2024-11-14 02:44:38,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2024-11-14 02:44:38,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 280. [2024-11-14 02:44:38,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 175 states have (on average 1.7257142857142858) internal successors, (302), 255 states have internal predecessors, (302), 19 states have call successors, (19), 5 states have call predecessors, (19), 5 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-14 02:44:38,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 340 transitions. [2024-11-14 02:44:38,808 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 340 transitions. Word has length 84 [2024-11-14 02:44:38,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:44:38,808 INFO L471 AbstractCegarLoop]: Abstraction has 280 states and 340 transitions. [2024-11-14 02:44:38,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 16 states have internal predecessors, (48), 2 states have call successors, (8), 3 states have call predecessors, (8), 6 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-14 02:44:38,809 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 340 transitions. [2024-11-14 02:44:38,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-14 02:44:38,810 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:44:38,810 INFO L215 NwaCegarLoop]: trace histogram [35, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:44:38,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-14 02:44:39,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-14 02:44:39,011 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 86 more)] === [2024-11-14 02:44:39,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:44:39,011 INFO L85 PathProgramCache]: Analyzing trace with hash 668830779, now seen corresponding path program 1 times [2024-11-14 02:44:39,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:44:39,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45438889] [2024-11-14 02:44:39,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:44:39,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:44:39,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:44:41,351 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 437 proven. 84 refuted. 0 times theorem prover too weak. 359 trivial. 0 not checked. [2024-11-14 02:44:41,352 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:44:41,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45438889] [2024-11-14 02:44:41,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45438889] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 02:44:41,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [532227171] [2024-11-14 02:44:41,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:44:41,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:44:41,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:44:41,354 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 02:44:41,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-14 02:44:42,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:44:42,797 INFO L255 TraceCheckSpWp]: Trace formula consists of 1016 conjuncts, 71 conjuncts are in the unsatisfiable core [2024-11-14 02:44:42,802 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:44:42,933 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2024-11-14 02:44:48,948 WARN L873 $PredicateComparison]: unable to prove that (exists ((|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (and (= (store |c_old(#length)| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| (select |c_#length| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base|)) |c_#length|) (= (select |c_old(#valid)| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base|) 0))) is different from true [2024-11-14 02:44:49,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 02:44:49,284 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-11-14 02:44:49,293 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-14 02:44:49,293 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-14 02:44:49,337 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 362 proven. 205 refuted. 0 times theorem prover too weak. 214 trivial. 99 not checked. [2024-11-14 02:44:49,338 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:44:49,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [532227171] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 02:44:49,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [138196829] [2024-11-14 02:44:49,490 INFO L159 IcfgInterpreter]: Started Sifa with 25 locations of interest [2024-11-14 02:44:49,490 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 02:44:49,490 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 02:44:49,491 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 02:44:49,491 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 02:44:50,281 INFO L197 IcfgInterpreter]: Interpreting procedure zalloc_or_die with input of size 65 for LOIs [2024-11-14 02:44:50,469 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 02:45:18,503 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '8267#(and (<= 1 |#StackHeapBarrier|) (= |~#list~0.offset| 0) (exists ((|v_zalloc_or_die_#Ultimate.C_memset_#amount#1_167| Int) (|v_zalloc_or_die_#Ultimate.C_memset_#t~loopctr41#1_336| Int) (|v_zalloc_or_die_#Ultimate.C_memset_#res#1.offset_152| Int) (|v_zalloc_or_die_#Ultimate.C_memset_#value#1_185| Int)) (and (= |v_zalloc_or_die_#Ultimate.C_memset_#value#1_185| 0) (<= 0 |v_zalloc_or_die_#Ultimate.C_memset_#t~loopctr41#1_336|) (<= (mod |v_zalloc_or_die_#Ultimate.C_memset_#amount#1_167| 4294967296) (mod |v_zalloc_or_die_#Ultimate.C_memset_#t~loopctr41#1_336| 4294967296)) (= |v_zalloc_or_die_#Ultimate.C_memset_#res#1.offset_152| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_l4_insert_~item~0#1.base|) (+ 4 |ULTIMATE.start_l4_insert_~item~0#1.offset|)) 0))) (exists ((|v_#memory_$Pointer$.base_349| (Array Int (Array Int Int)))) (= (store |v_#memory_$Pointer$.base_349| |ULTIMATE.start_l4_insert_~item~0#1.base| (store (select |v_#memory_$Pointer$.base_349| |ULTIMATE.start_l4_insert_~item~0#1.base|) (+ 4 |ULTIMATE.start_l4_insert_~item~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_l4_insert_~item~0#1.base|) (+ 4 |ULTIMATE.start_l4_insert_~item~0#1.offset|)))) |#memory_$Pointer$.base|)) (= |ULTIMATE.start_l0_insert_~list#1.base| 3) (<= (+ 8 |ULTIMATE.start_l4_insert_~item~0#1.offset|) (select |#length| |ULTIMATE.start_l4_insert_~item~0#1.base|)) (exists ((|v_#memory_int_306| (Array Int (Array Int Int)))) (= |#memory_int| (store |v_#memory_int_306| |ULTIMATE.start_l4_insert_~item~0#1.base| (store (select |v_#memory_int_306| |ULTIMATE.start_l4_insert_~item~0#1.base|) (+ 4 |ULTIMATE.start_l4_insert_~item~0#1.offset|) (select (select |#memory_int| |ULTIMATE.start_l4_insert_~item~0#1.base|) (+ 4 |ULTIMATE.start_l4_insert_~item~0#1.offset|)))))) (= (select |#valid| |ULTIMATE.start_l4_insert_~item~0#1.base|) 1) (= 3 |~#list~0.base|) (= |ULTIMATE.start_l0_insert_~list#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_l4_insert_~item~0#1.base|) (+ 4 |ULTIMATE.start_l4_insert_~item~0#1.offset|)) 0)) (exists ((|v_#memory_$Pointer$.offset_349| (Array Int (Array Int Int)))) (= |#memory_$Pointer$.offset| (store |v_#memory_$Pointer$.offset_349| |ULTIMATE.start_l4_insert_~item~0#1.base| (store (select |v_#memory_$Pointer$.offset_349| |ULTIMATE.start_l4_insert_~item~0#1.base|) (+ 4 |ULTIMATE.start_l4_insert_~item~0#1.offset|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_l4_insert_~item~0#1.base|) (+ 4 |ULTIMATE.start_l4_insert_~item~0#1.offset|)))))) (<= 0 (+ 4 |ULTIMATE.start_l4_insert_~item~0#1.offset|)))' at error location [2024-11-14 02:45:18,503 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 02:45:18,503 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-14 02:45:18,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 26] total 39 [2024-11-14 02:45:18,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5295933] [2024-11-14 02:45:18,503 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-14 02:45:18,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-11-14 02:45:18,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:45:18,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-11-14 02:45:18,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=182, Invalid=3009, Unknown=5, NotChecked=110, Total=3306 [2024-11-14 02:45:18,506 INFO L87 Difference]: Start difference. First operand 280 states and 340 transitions. Second operand has 39 states, 34 states have (on average 1.7352941176470589) internal successors, (59), 34 states have internal predecessors, (59), 3 states have call successors, (7), 2 states have call predecessors, (7), 5 states have return successors, (8), 5 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-14 02:45:20,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:45:24,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:45:24,797 INFO L93 Difference]: Finished difference Result 382 states and 473 transitions. [2024-11-14 02:45:24,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-14 02:45:24,797 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 34 states have (on average 1.7352941176470589) internal successors, (59), 34 states have internal predecessors, (59), 3 states have call successors, (7), 2 states have call predecessors, (7), 5 states have return successors, (8), 5 states have call predecessors, (8), 3 states have call successors, (8) Word has length 84 [2024-11-14 02:45:24,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:45:24,800 INFO L225 Difference]: With dead ends: 382 [2024-11-14 02:45:24,800 INFO L226 Difference]: Without dead ends: 378 [2024-11-14 02:45:24,801 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 125 SyntacticMatches, 6 SemanticMatches, 65 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1301 ImplicationChecksByTransitivity, 35.6s TimeCoverageRelationStatistics Valid=286, Invalid=4003, Unknown=5, NotChecked=128, Total=4422 [2024-11-14 02:45:24,802 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 330 mSDsluCounter, 1065 mSDsCounter, 0 mSdLazyCounter, 3712 mSolverCounterSat, 27 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 1170 SdHoareTripleChecker+Invalid, 4094 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 3712 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 354 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-11-14 02:45:24,802 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [330 Valid, 1170 Invalid, 4094 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 3712 Invalid, 1 Unknown, 354 Unchecked, 5.2s Time] [2024-11-14 02:45:24,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2024-11-14 02:45:24,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 286. [2024-11-14 02:45:24,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 178 states have (on average 1.7247191011235956) internal successors, (307), 260 states have internal predecessors, (307), 20 states have call successors, (20), 5 states have call predecessors, (20), 7 states have return successors, (28), 20 states have call predecessors, (28), 19 states have call successors, (28) [2024-11-14 02:45:24,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 355 transitions. [2024-11-14 02:45:24,817 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 355 transitions. Word has length 84 [2024-11-14 02:45:24,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:45:24,817 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 355 transitions. [2024-11-14 02:45:24,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 34 states have (on average 1.7352941176470589) internal successors, (59), 34 states have internal predecessors, (59), 3 states have call successors, (7), 2 states have call predecessors, (7), 5 states have return successors, (8), 5 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-14 02:45:24,818 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 355 transitions. [2024-11-14 02:45:24,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-14 02:45:24,819 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:45:24,819 INFO L215 NwaCegarLoop]: trace histogram [36, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:45:24,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-14 02:45:25,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:45:25,019 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 86 more)] === [2024-11-14 02:45:25,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:45:25,020 INFO L85 PathProgramCache]: Analyzing trace with hash -1282705893, now seen corresponding path program 2 times [2024-11-14 02:45:25,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:45:25,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852936795] [2024-11-14 02:45:25,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:45:25,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:45:25,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:45:27,282 INFO L134 CoverageAnalysis]: Checked inductivity of 921 backedges. 461 proven. 101 refuted. 0 times theorem prover too weak. 359 trivial. 0 not checked. [2024-11-14 02:45:27,282 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:45:27,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852936795] [2024-11-14 02:45:27,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852936795] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 02:45:27,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [746592757] [2024-11-14 02:45:27,282 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-14 02:45:27,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:45:27,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:45:27,285 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 02:45:27,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-14 02:45:28,787 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-14 02:45:28,787 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 02:45:28,791 INFO L255 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 65 conjuncts are in the unsatisfiable core [2024-11-14 02:45:28,795 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:45:28,813 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-14 02:45:28,822 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-11-14 02:45:29,149 WARN L873 $PredicateComparison]: unable to prove that (exists ((|zalloc_or_die_calloc_model_~ptr~0#1.base| Int)) (and (= (store |c_old(#length)| |zalloc_or_die_calloc_model_~ptr~0#1.base| (select |c_#length| |zalloc_or_die_calloc_model_~ptr~0#1.base|)) |c_#length|) (= |c_#valid| (store |c_old(#valid)| |zalloc_or_die_calloc_model_~ptr~0#1.base| 1)) (= (select |c_old(#valid)| |zalloc_or_die_calloc_model_~ptr~0#1.base|) 0))) is different from true [2024-11-14 02:45:29,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 02:45:29,243 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-11-14 02:45:29,262 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2024-11-14 02:45:29,263 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2024-11-14 02:45:29,339 WARN L873 $PredicateComparison]: unable to prove that (exists ((|zalloc_or_die_calloc_model_~ptr~0#1.base| Int)) (and (= (store |c_old(#length)| |zalloc_or_die_calloc_model_~ptr~0#1.base| (select |c_#length| |zalloc_or_die_calloc_model_~ptr~0#1.base|)) |c_#length|) (= (select |c_old(#valid)| |zalloc_or_die_calloc_model_~ptr~0#1.base|) 0))) is different from true [2024-11-14 02:45:29,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 02:45:29,413 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-11-14 02:45:29,432 INFO L349 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2024-11-14 02:45:29,432 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2024-11-14 02:45:29,485 INFO L134 CoverageAnalysis]: Checked inductivity of 921 backedges. 467 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 194 not checked. [2024-11-14 02:45:29,485 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:45:29,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [746592757] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 02:45:29,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1883388652] [2024-11-14 02:45:29,671 INFO L159 IcfgInterpreter]: Started Sifa with 25 locations of interest [2024-11-14 02:45:29,671 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 02:45:29,671 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 02:45:29,672 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 02:45:29,672 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 02:45:30,423 INFO L197 IcfgInterpreter]: Interpreting procedure zalloc_or_die with input of size 65 for LOIs [2024-11-14 02:45:30,691 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 02:45:33,414 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '9261#(and (<= 1 |#StackHeapBarrier|) (= |~#list~0.offset| 0) (exists ((|v_#memory_int_327| (Array Int (Array Int Int)))) (= |#memory_int| (store |v_#memory_int_327| |ULTIMATE.start_l4_insert_~item~0#1.base| (store (select |v_#memory_int_327| |ULTIMATE.start_l4_insert_~item~0#1.base|) (+ 4 |ULTIMATE.start_l4_insert_~item~0#1.offset|) (select (select |#memory_int| |ULTIMATE.start_l4_insert_~item~0#1.base|) (+ 4 |ULTIMATE.start_l4_insert_~item~0#1.offset|)))))) (= |ULTIMATE.start_l0_insert_~list#1.base| 3) (<= (+ 8 |ULTIMATE.start_l4_insert_~item~0#1.offset|) (select |#length| |ULTIMATE.start_l4_insert_~item~0#1.base|)) (exists ((|v_#memory_$Pointer$.offset_370| (Array Int (Array Int Int)))) (= |#memory_$Pointer$.offset| (store |v_#memory_$Pointer$.offset_370| |ULTIMATE.start_l4_insert_~item~0#1.base| (store (select |v_#memory_$Pointer$.offset_370| |ULTIMATE.start_l4_insert_~item~0#1.base|) (+ 4 |ULTIMATE.start_l4_insert_~item~0#1.offset|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_l4_insert_~item~0#1.base|) (+ 4 |ULTIMATE.start_l4_insert_~item~0#1.offset|)))))) (= (select |#valid| |ULTIMATE.start_l4_insert_~item~0#1.base|) 1) (exists ((|v_#memory_$Pointer$.base_370| (Array Int (Array Int Int)))) (= |#memory_$Pointer$.base| (store |v_#memory_$Pointer$.base_370| |ULTIMATE.start_l4_insert_~item~0#1.base| (store (select |v_#memory_$Pointer$.base_370| |ULTIMATE.start_l4_insert_~item~0#1.base|) (+ 4 |ULTIMATE.start_l4_insert_~item~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_l4_insert_~item~0#1.base|) (+ 4 |ULTIMATE.start_l4_insert_~item~0#1.offset|)))))) (= 3 |~#list~0.base|) (= |ULTIMATE.start_l0_insert_~list#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_l4_insert_~item~0#1.base|) (+ 4 |ULTIMATE.start_l4_insert_~item~0#1.offset|)) 0)) (<= 0 (+ 4 |ULTIMATE.start_l4_insert_~item~0#1.offset|)) (exists ((|v_zalloc_or_die_#Ultimate.C_memset_#res#1.offset_161| Int) (|v_zalloc_or_die_#Ultimate.C_memset_#amount#1_176| Int) (|v_zalloc_or_die_#Ultimate.C_memset_#t~loopctr41#1_361| Int) (|v_zalloc_or_die_#Ultimate.C_memset_#value#1_195| Int)) (and (<= (mod |v_zalloc_or_die_#Ultimate.C_memset_#amount#1_176| 4294967296) (mod |v_zalloc_or_die_#Ultimate.C_memset_#t~loopctr41#1_361| 4294967296)) (<= 0 |v_zalloc_or_die_#Ultimate.C_memset_#t~loopctr41#1_361|) (= |v_zalloc_or_die_#Ultimate.C_memset_#res#1.offset_161| 0) (= |v_zalloc_or_die_#Ultimate.C_memset_#value#1_195| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_l4_insert_~item~0#1.base|) (+ 4 |ULTIMATE.start_l4_insert_~item~0#1.offset|)) 0))))' at error location [2024-11-14 02:45:33,414 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 02:45:33,414 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-14 02:45:33,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 12] total 27 [2024-11-14 02:45:33,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914798875] [2024-11-14 02:45:33,415 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-14 02:45:33,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-14 02:45:33,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:45:33,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-14 02:45:33,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=1761, Unknown=2, NotChecked=170, Total=2070 [2024-11-14 02:45:33,416 INFO L87 Difference]: Start difference. First operand 286 states and 355 transitions. Second operand has 27 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 4 states have call successors, (8), 2 states have call predecessors, (8), 6 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-14 02:45:36,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:45:36,933 INFO L93 Difference]: Finished difference Result 377 states and 455 transitions. [2024-11-14 02:45:36,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-14 02:45:36,934 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 4 states have call successors, (8), 2 states have call predecessors, (8), 6 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) Word has length 85 [2024-11-14 02:45:36,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:45:36,936 INFO L225 Difference]: With dead ends: 377 [2024-11-14 02:45:36,936 INFO L226 Difference]: Without dead ends: 373 [2024-11-14 02:45:36,937 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 139 SyntacticMatches, 6 SemanticMatches, 57 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 758 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=259, Invalid=2939, Unknown=2, NotChecked=222, Total=3422 [2024-11-14 02:45:36,937 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 346 mSDsluCounter, 569 mSDsCounter, 0 mSdLazyCounter, 3051 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 659 SdHoareTripleChecker+Invalid, 3763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 3051 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 676 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-14 02:45:36,938 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 659 Invalid, 3763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 3051 Invalid, 0 Unknown, 676 Unchecked, 2.2s Time] [2024-11-14 02:45:36,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2024-11-14 02:45:36,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 281. [2024-11-14 02:45:36,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 179 states have (on average 1.675977653631285) internal successors, (300), 256 states have internal predecessors, (300), 19 states have call successors, (19), 5 states have call predecessors, (19), 5 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-14 02:45:36,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 338 transitions. [2024-11-14 02:45:36,951 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 338 transitions. Word has length 85 [2024-11-14 02:45:36,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:45:36,951 INFO L471 AbstractCegarLoop]: Abstraction has 281 states and 338 transitions. [2024-11-14 02:45:36,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 4 states have call successors, (8), 2 states have call predecessors, (8), 6 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-14 02:45:36,951 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 338 transitions. [2024-11-14 02:45:36,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-14 02:45:36,952 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:45:36,952 INFO L215 NwaCegarLoop]: trace histogram [45, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:45:36,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-14 02:45:37,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:45:37,153 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 86 more)] === [2024-11-14 02:45:37,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:45:37,153 INFO L85 PathProgramCache]: Analyzing trace with hash 194797987, now seen corresponding path program 1 times [2024-11-14 02:45:37,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:45:37,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29498503] [2024-11-14 02:45:37,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:45:37,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:45:37,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:45:38,903 INFO L134 CoverageAnalysis]: Checked inductivity of 1335 backedges. 683 proven. 384 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-14 02:45:38,903 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:45:38,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29498503] [2024-11-14 02:45:38,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29498503] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 02:45:38,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [667416604] [2024-11-14 02:45:38,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:45:38,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:45:38,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:45:38,909 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 02:45:38,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-14 02:45:39,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:45:39,411 INFO L255 TraceCheckSpWp]: Trace formula consists of 1210 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-14 02:45:39,416 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:45:39,545 WARN L873 $PredicateComparison]: unable to prove that (exists ((|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (and (= (store |c_old(#valid)| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1) |c_#valid|) (= (select |c_old(#valid)| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base|) 0))) is different from true [2024-11-14 02:45:39,624 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2024-11-14 02:45:39,624 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2024-11-14 02:45:39,689 WARN L873 $PredicateComparison]: unable to prove that (exists ((|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (and (= |c_#valid| (store |c_old(#valid)| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| (select |c_#valid| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base|))) (= (select |c_old(#valid)| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base|) 0))) is different from true [2024-11-14 02:45:39,770 INFO L349 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2024-11-14 02:45:39,770 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 24 treesize of output 28 [2024-11-14 02:45:39,817 WARN L873 $PredicateComparison]: unable to prove that (exists ((|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (= (store |c_old(#valid)| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1) |c_#valid|)) is different from true [2024-11-14 02:45:39,866 INFO L349 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2024-11-14 02:45:39,866 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 22 [2024-11-14 02:45:39,950 INFO L134 CoverageAnalysis]: Checked inductivity of 1335 backedges. 593 proven. 3 refuted. 0 times theorem prover too weak. 268 trivial. 471 not checked. [2024-11-14 02:45:39,951 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:45:40,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [667416604] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 02:45:40,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1657046942] [2024-11-14 02:45:40,246 INFO L159 IcfgInterpreter]: Started Sifa with 29 locations of interest [2024-11-14 02:45:40,246 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 02:45:40,247 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 02:45:40,247 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 02:45:40,247 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 02:45:40,985 INFO L197 IcfgInterpreter]: Interpreting procedure zalloc_or_die with input of size 65 for LOIs [2024-11-14 02:45:41,203 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 02:45:50,842 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '10353#(and (<= 1 |#StackHeapBarrier|) (= |~#list~0.offset| 0) (= |ULTIMATE.start_l0_insert_~list#1.base| 3) (= 3 |~#list~0.base|) (exists ((|v_#memory_$Pointer$.offset_412| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_413| (Array Int (Array Int Int))) (|v_#memory_int_369| (Array Int (Array Int Int))) (|v_zalloc_or_die_#Ultimate.C_memset_#res#1.offset_174| Int) (|v_ULTIMATE.start_l4_insert_~list#1.offset_15| Int) (|v_zalloc_or_die_#Ultimate.C_memset_#amount#1_189| Int) (|v_zalloc_or_die_#Ultimate.C_memset_#value#1_211| Int) (|v_ULTIMATE.start_l4_insert_~list#1.base_18| Int) (|v_#memory_$Pointer$.base_413| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_412| (Array Int (Array Int Int))) (|v_zalloc_or_die_#Ultimate.C_memset_#t~loopctr41#1_406| Int) (|v_#memory_int_371| (Array Int (Array Int Int))) (|v_#memory_int_370| (Array Int (Array Int Int)))) (and (<= (mod |v_zalloc_or_die_#Ultimate.C_memset_#amount#1_189| 4294967296) (mod |v_zalloc_or_die_#Ultimate.C_memset_#t~loopctr41#1_406| 4294967296)) (= |v_zalloc_or_die_#Ultimate.C_memset_#value#1_211| 0) (= (store |v_#memory_int_370| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_18|) |v_ULTIMATE.start_l4_insert_~list#1.offset_15|) (store (select |v_#memory_int_370| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_18|) |v_ULTIMATE.start_l4_insert_~list#1.offset_15|)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_18|) |v_ULTIMATE.start_l4_insert_~list#1.offset_15|) (select (select |v_#memory_int_371| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_18|) |v_ULTIMATE.start_l4_insert_~list#1.offset_15|)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_18|) |v_ULTIMATE.start_l4_insert_~list#1.offset_15|)))) |v_#memory_int_371|) (= (select |#valid| |v_ULTIMATE.start_l4_insert_~list#1.base_18|) 1) (<= 0 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_18|) |v_ULTIMATE.start_l4_insert_~list#1.offset_15|)) (<= 0 |v_ULTIMATE.start_l4_insert_~list#1.offset_15|) (= |v_#memory_$Pointer$.base_413| (store |v_#memory_$Pointer$.base_412| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_18|) |v_ULTIMATE.start_l4_insert_~list#1.offset_15|) (store (select |v_#memory_$Pointer$.base_412| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_18|) |v_ULTIMATE.start_l4_insert_~list#1.offset_15|)) (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_18|) |v_ULTIMATE.start_l4_insert_~list#1.offset_15|) 4) (select (select |v_#memory_$Pointer$.base_413| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_18|) |v_ULTIMATE.start_l4_insert_~list#1.offset_15|)) (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_18|) |v_ULTIMATE.start_l4_insert_~list#1.offset_15|) 4))))) (not (= (select (select |v_#memory_$Pointer$.base_413| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_18|) |v_ULTIMATE.start_l4_insert_~list#1.offset_15|)) (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_18|) |v_ULTIMATE.start_l4_insert_~list#1.offset_15|) 4)) 0)) (= (store |v_#memory_$Pointer$.offset_412| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_18|) |v_ULTIMATE.start_l4_insert_~list#1.offset_15|) (store (select |v_#memory_$Pointer$.offset_412| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_18|) |v_ULTIMATE.start_l4_insert_~list#1.offset_15|)) (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_18|) |v_ULTIMATE.start_l4_insert_~list#1.offset_15|) 4) 0)) |v_#memory_$Pointer$.offset_413|) (<= (+ 4 |v_ULTIMATE.start_l4_insert_~list#1.offset_15|) (select |#length| |v_ULTIMATE.start_l4_insert_~list#1.base_18|)) (= |#memory_$Pointer$.offset| (store (store |v_#memory_$Pointer$.offset_413| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_18|) |v_ULTIMATE.start_l4_insert_~list#1.offset_15|) (store (select |v_#memory_$Pointer$.offset_413| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_18|) |v_ULTIMATE.start_l4_insert_~list#1.offset_15|)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_18|) |v_ULTIMATE.start_l4_insert_~list#1.offset_15|) (select (select |v_#memory_$Pointer$.offset_413| |v_ULTIMATE.start_l4_insert_~list#1.base_18|) |v_ULTIMATE.start_l4_insert_~list#1.offset_15|))) |v_ULTIMATE.start_l4_insert_~list#1.base_18| (store (select (store |v_#memory_$Pointer$.offset_413| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_18|) |v_ULTIMATE.start_l4_insert_~list#1.offset_15|) (store (select |v_#memory_$Pointer$.offset_413| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_18|) |v_ULTIMATE.start_l4_insert_~list#1.offset_15|)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_18|) |v_ULTIMATE.start_l4_insert_~list#1.offset_15|) (select (select |v_#memory_$Pointer$.offset_413| |v_ULTIMATE.start_l4_insert_~list#1.base_18|) |v_ULTIMATE.start_l4_insert_~list#1.offset_15|))) |v_ULTIMATE.start_l4_insert_~list#1.base_18|) |v_ULTIMATE.start_l4_insert_~list#1.offset_15| (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_18|) |v_ULTIMATE.start_l4_insert_~list#1.offset_15|)))) (= |#memory_int| (store |v_#memory_int_371| |v_ULTIMATE.start_l4_insert_~list#1.base_18| (store (select |v_#memory_int_371| |v_ULTIMATE.start_l4_insert_~list#1.base_18|) |v_ULTIMATE.start_l4_insert_~list#1.offset_15| (select (select |#memory_int| |v_ULTIMATE.start_l4_insert_~list#1.base_18|) |v_ULTIMATE.start_l4_insert_~list#1.offset_15|)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_18|) |v_ULTIMATE.start_l4_insert_~list#1.offset_15|)) 1) (= (store |v_#memory_int_369| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_18|) |v_ULTIMATE.start_l4_insert_~list#1.offset_15|) (store (select |v_#memory_int_369| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_18|) |v_ULTIMATE.start_l4_insert_~list#1.offset_15|)) (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_18|) |v_ULTIMATE.start_l4_insert_~list#1.offset_15|) 4) (select (select |v_#memory_int_370| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_18|) |v_ULTIMATE.start_l4_insert_~list#1.offset_15|)) (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_18|) |v_ULTIMATE.start_l4_insert_~list#1.offset_15|) 4)))) |v_#memory_int_370|) (= |#memory_$Pointer$.base| (store (store |v_#memory_$Pointer$.base_413| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_18|) |v_ULTIMATE.start_l4_insert_~list#1.offset_15|) (store (select |v_#memory_$Pointer$.base_413| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_18|) |v_ULTIMATE.start_l4_insert_~list#1.offset_15|)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_18|) |v_ULTIMATE.start_l4_insert_~list#1.offset_15|) (select (select |v_#memory_$Pointer$.base_413| |v_ULTIMATE.start_l4_insert_~list#1.base_18|) |v_ULTIMATE.start_l4_insert_~list#1.offset_15|))) |v_ULTIMATE.start_l4_insert_~list#1.base_18| (store (select (store |v_#memory_$Pointer$.base_413| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_18|) |v_ULTIMATE.start_l4_insert_~list#1.offset_15|) (store (select |v_#memory_$Pointer$.base_413| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_18|) |v_ULTIMATE.start_l4_insert_~list#1.offset_15|)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_18|) |v_ULTIMATE.start_l4_insert_~list#1.offset_15|) (select (select |v_#memory_$Pointer$.base_413| |v_ULTIMATE.start_l4_insert_~list#1.base_18|) |v_ULTIMATE.start_l4_insert_~list#1.offset_15|))) |v_ULTIMATE.start_l4_insert_~list#1.base_18|) |v_ULTIMATE.start_l4_insert_~list#1.offset_15| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_18|) |v_ULTIMATE.start_l4_insert_~list#1.offset_15|)))) (<= 0 |v_zalloc_or_die_#Ultimate.C_memset_#t~loopctr41#1_406|) (<= (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_18|) |v_ULTIMATE.start_l4_insert_~list#1.offset_15|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_18|) |v_ULTIMATE.start_l4_insert_~list#1.offset_15|))) (= |v_zalloc_or_die_#Ultimate.C_memset_#res#1.offset_174| 0))) (= |ULTIMATE.start_l0_insert_~list#1.offset| 0) (exists ((|v_ULTIMATE.start_l3_insert_~list#1.base_14| Int)) (not (= (select |#valid| |v_ULTIMATE.start_l3_insert_~list#1.base_14|) 1))))' at error location [2024-11-14 02:45:50,843 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 02:45:50,843 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-14 02:45:50,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14] total 24 [2024-11-14 02:45:50,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001627140] [2024-11-14 02:45:50,843 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-14 02:45:50,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-14 02:45:50,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:45:50,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-14 02:45:50,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=1997, Unknown=7, NotChecked=276, Total=2450 [2024-11-14 02:45:50,845 INFO L87 Difference]: Start difference. First operand 281 states and 338 transitions. Second operand has 25 states, 20 states have (on average 3.55) internal successors, (71), 22 states have internal predecessors, (71), 4 states have call successors, (8), 2 states have call predecessors, (8), 8 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-14 02:45:52,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:45:52,189 INFO L93 Difference]: Finished difference Result 370 states and 445 transitions. [2024-11-14 02:45:52,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-14 02:45:52,189 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 20 states have (on average 3.55) internal successors, (71), 22 states have internal predecessors, (71), 4 states have call successors, (8), 2 states have call predecessors, (8), 8 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) Word has length 98 [2024-11-14 02:45:52,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:45:52,191 INFO L225 Difference]: With dead ends: 370 [2024-11-14 02:45:52,191 INFO L226 Difference]: Without dead ends: 370 [2024-11-14 02:45:52,192 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 184 SyntacticMatches, 11 SemanticMatches, 53 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 876 ImplicationChecksByTransitivity, 10.4s TimeCoverageRelationStatistics Valid=220, Invalid=2437, Unknown=7, NotChecked=306, Total=2970 [2024-11-14 02:45:52,193 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 137 mSDsluCounter, 2050 mSDsCounter, 0 mSdLazyCounter, 1572 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 2213 SdHoareTripleChecker+Invalid, 2597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1007 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-14 02:45:52,193 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 2213 Invalid, 2597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1572 Invalid, 0 Unknown, 1007 Unchecked, 1.1s Time] [2024-11-14 02:45:52,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2024-11-14 02:45:52,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 278. [2024-11-14 02:45:52,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 179 states have (on average 1.6424581005586592) internal successors, (294), 253 states have internal predecessors, (294), 19 states have call successors, (19), 5 states have call predecessors, (19), 5 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-14 02:45:52,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 332 transitions. [2024-11-14 02:45:52,204 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 332 transitions. Word has length 98 [2024-11-14 02:45:52,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:45:52,204 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 332 transitions. [2024-11-14 02:45:52,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 20 states have (on average 3.55) internal successors, (71), 22 states have internal predecessors, (71), 4 states have call successors, (8), 2 states have call predecessors, (8), 8 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-14 02:45:52,206 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 332 transitions. [2024-11-14 02:45:52,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-14 02:45:52,207 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:45:52,207 INFO L215 NwaCegarLoop]: trace histogram [45, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:45:52,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-14 02:45:52,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:45:52,408 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 86 more)] === [2024-11-14 02:45:52,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:45:52,408 INFO L85 PathProgramCache]: Analyzing trace with hash 194797988, now seen corresponding path program 1 times [2024-11-14 02:45:52,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:45:52,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095482550] [2024-11-14 02:45:52,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:45:52,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:45:52,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:45:54,944 INFO L134 CoverageAnalysis]: Checked inductivity of 1335 backedges. 637 proven. 119 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2024-11-14 02:45:54,945 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:45:54,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095482550] [2024-11-14 02:45:54,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095482550] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 02:45:54,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1568081881] [2024-11-14 02:45:54,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:45:54,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:45:54,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:45:54,947 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 02:45:54,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-14 02:45:56,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:45:56,973 INFO L255 TraceCheckSpWp]: Trace formula consists of 1210 conjuncts, 100 conjuncts are in the unsatisfiable core [2024-11-14 02:45:56,977 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:45:57,154 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2024-11-14 02:45:58,555 WARN L873 $PredicateComparison]: unable to prove that (exists ((|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (and (= (store |c_old(#length)| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| (select |c_#length| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base|)) |c_#length|) (= (select |c_old(#valid)| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base|) 0))) is different from true [2024-11-14 02:45:59,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 02:45:59,198 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-11-14 02:45:59,208 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-14 02:45:59,209 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-14 02:45:59,276 INFO L134 CoverageAnalysis]: Checked inductivity of 1335 backedges. 518 proven. 533 refuted. 0 times theorem prover too weak. 191 trivial. 93 not checked. [2024-11-14 02:45:59,276 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:45:59,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1568081881] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 02:45:59,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [96623960] [2024-11-14 02:45:59,549 INFO L159 IcfgInterpreter]: Started Sifa with 29 locations of interest [2024-11-14 02:45:59,549 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 02:45:59,549 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 02:45:59,549 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 02:45:59,549 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 02:46:00,193 INFO L197 IcfgInterpreter]: Interpreting procedure zalloc_or_die with input of size 65 for LOIs [2024-11-14 02:46:00,350 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 02:46:35,352 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '11396#(and (exists ((|v_#memory_$Pointer$.offset_436| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_437| (Array Int (Array Int Int))) (|v_zalloc_or_die_#Ultimate.C_memset_#res#1.offset_183| Int) (|v_#memory_$Pointer$.base_437| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_436| (Array Int (Array Int Int))) (|v_ULTIMATE.start_l4_insert_~list#1.offset_16| Int) (|v_zalloc_or_die_#Ultimate.C_memset_#amount#1_199| Int) (|v_zalloc_or_die_#Ultimate.C_memset_#value#1_221| Int) (|v_ULTIMATE.start_l4_insert_~list#1.base_19| Int) (|v_zalloc_or_die_#Ultimate.C_memset_#t~loopctr41#1_459| Int) (|v_#memory_int_393| (Array Int (Array Int Int))) (|v_#memory_int_395| (Array Int (Array Int Int))) (|v_#memory_int_394| (Array Int (Array Int Int)))) (and (= (store |v_#memory_int_394| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_19|) |v_ULTIMATE.start_l4_insert_~list#1.offset_16|) (store (select |v_#memory_int_394| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_19|) |v_ULTIMATE.start_l4_insert_~list#1.offset_16|)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_19|) |v_ULTIMATE.start_l4_insert_~list#1.offset_16|) (select (select |v_#memory_int_395| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_19|) |v_ULTIMATE.start_l4_insert_~list#1.offset_16|)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_19|) |v_ULTIMATE.start_l4_insert_~list#1.offset_16|)))) |v_#memory_int_395|) (<= (+ 4 |v_ULTIMATE.start_l4_insert_~list#1.offset_16|) (select |#length| |v_ULTIMATE.start_l4_insert_~list#1.base_19|)) (<= (mod |v_zalloc_or_die_#Ultimate.C_memset_#amount#1_199| 4294967296) (mod |v_zalloc_or_die_#Ultimate.C_memset_#t~loopctr41#1_459| 4294967296)) (not (= (select (select |v_#memory_$Pointer$.base_437| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_19|) |v_ULTIMATE.start_l4_insert_~list#1.offset_16|)) (+ 4 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_19|) |v_ULTIMATE.start_l4_insert_~list#1.offset_16|))) 0)) (<= (+ 8 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_19|) |v_ULTIMATE.start_l4_insert_~list#1.offset_16|)) (select |#length| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_19|) |v_ULTIMATE.start_l4_insert_~list#1.offset_16|))) (= |v_zalloc_or_die_#Ultimate.C_memset_#res#1.offset_183| 0) (= |#memory_$Pointer$.offset| (store (store |v_#memory_$Pointer$.offset_437| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_19|) |v_ULTIMATE.start_l4_insert_~list#1.offset_16|) (store (select |v_#memory_$Pointer$.offset_437| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_19|) |v_ULTIMATE.start_l4_insert_~list#1.offset_16|)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_19|) |v_ULTIMATE.start_l4_insert_~list#1.offset_16|) (select (select |v_#memory_$Pointer$.offset_437| |v_ULTIMATE.start_l4_insert_~list#1.base_19|) |v_ULTIMATE.start_l4_insert_~list#1.offset_16|))) |v_ULTIMATE.start_l4_insert_~list#1.base_19| (store (select (store |v_#memory_$Pointer$.offset_437| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_19|) |v_ULTIMATE.start_l4_insert_~list#1.offset_16|) (store (select |v_#memory_$Pointer$.offset_437| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_19|) |v_ULTIMATE.start_l4_insert_~list#1.offset_16|)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_19|) |v_ULTIMATE.start_l4_insert_~list#1.offset_16|) (select (select |v_#memory_$Pointer$.offset_437| |v_ULTIMATE.start_l4_insert_~list#1.base_19|) |v_ULTIMATE.start_l4_insert_~list#1.offset_16|))) |v_ULTIMATE.start_l4_insert_~list#1.base_19|) |v_ULTIMATE.start_l4_insert_~list#1.offset_16| (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_19|) |v_ULTIMATE.start_l4_insert_~list#1.offset_16|)))) (= |#memory_int| (store |v_#memory_int_395| |v_ULTIMATE.start_l4_insert_~list#1.base_19| (store (select |v_#memory_int_395| |v_ULTIMATE.start_l4_insert_~list#1.base_19|) |v_ULTIMATE.start_l4_insert_~list#1.offset_16| (select (select |#memory_int| |v_ULTIMATE.start_l4_insert_~list#1.base_19|) |v_ULTIMATE.start_l4_insert_~list#1.offset_16|)))) (<= 0 |v_ULTIMATE.start_l4_insert_~list#1.offset_16|) (= (store |v_#memory_$Pointer$.offset_436| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_19|) |v_ULTIMATE.start_l4_insert_~list#1.offset_16|) (store (select |v_#memory_$Pointer$.offset_436| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_19|) |v_ULTIMATE.start_l4_insert_~list#1.offset_16|)) (+ 4 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_19|) |v_ULTIMATE.start_l4_insert_~list#1.offset_16|)) 0)) |v_#memory_$Pointer$.offset_437|) (= (store |v_#memory_int_393| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_19|) |v_ULTIMATE.start_l4_insert_~list#1.offset_16|) (store (select |v_#memory_int_393| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_19|) |v_ULTIMATE.start_l4_insert_~list#1.offset_16|)) (+ 4 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_19|) |v_ULTIMATE.start_l4_insert_~list#1.offset_16|)) (select (select |v_#memory_int_394| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_19|) |v_ULTIMATE.start_l4_insert_~list#1.offset_16|)) (+ 4 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_19|) |v_ULTIMATE.start_l4_insert_~list#1.offset_16|))))) |v_#memory_int_394|) (= |v_#memory_$Pointer$.base_437| (store |v_#memory_$Pointer$.base_436| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_19|) |v_ULTIMATE.start_l4_insert_~list#1.offset_16|) (store (select |v_#memory_$Pointer$.base_436| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_19|) |v_ULTIMATE.start_l4_insert_~list#1.offset_16|)) (+ 4 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_19|) |v_ULTIMATE.start_l4_insert_~list#1.offset_16|)) (select (select |v_#memory_$Pointer$.base_437| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_19|) |v_ULTIMATE.start_l4_insert_~list#1.offset_16|)) (+ 4 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_19|) |v_ULTIMATE.start_l4_insert_~list#1.offset_16|)))))) (<= 0 |v_zalloc_or_die_#Ultimate.C_memset_#t~loopctr41#1_459|) (<= 0 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_19|) |v_ULTIMATE.start_l4_insert_~list#1.offset_16|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_19|) |v_ULTIMATE.start_l4_insert_~list#1.offset_16|)) 1) (= (store (store |v_#memory_$Pointer$.base_437| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_19|) |v_ULTIMATE.start_l4_insert_~list#1.offset_16|) (store (select |v_#memory_$Pointer$.base_437| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_19|) |v_ULTIMATE.start_l4_insert_~list#1.offset_16|)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_19|) |v_ULTIMATE.start_l4_insert_~list#1.offset_16|) (select (select |v_#memory_$Pointer$.base_437| |v_ULTIMATE.start_l4_insert_~list#1.base_19|) |v_ULTIMATE.start_l4_insert_~list#1.offset_16|))) |v_ULTIMATE.start_l4_insert_~list#1.base_19| (store (select (store |v_#memory_$Pointer$.base_437| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_19|) |v_ULTIMATE.start_l4_insert_~list#1.offset_16|) (store (select |v_#memory_$Pointer$.base_437| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_19|) |v_ULTIMATE.start_l4_insert_~list#1.offset_16|)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_19|) |v_ULTIMATE.start_l4_insert_~list#1.offset_16|) (select (select |v_#memory_$Pointer$.base_437| |v_ULTIMATE.start_l4_insert_~list#1.base_19|) |v_ULTIMATE.start_l4_insert_~list#1.offset_16|))) |v_ULTIMATE.start_l4_insert_~list#1.base_19|) |v_ULTIMATE.start_l4_insert_~list#1.offset_16| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_19|) |v_ULTIMATE.start_l4_insert_~list#1.offset_16|))) |#memory_$Pointer$.base|) (= (select |#valid| |v_ULTIMATE.start_l4_insert_~list#1.base_19|) 1) (= |v_zalloc_or_die_#Ultimate.C_memset_#value#1_221| 0))) (<= 1 |#StackHeapBarrier|) (= |~#list~0.offset| 0) (= |ULTIMATE.start_l0_insert_~list#1.base| 3) (= 3 |~#list~0.base|) (= |ULTIMATE.start_l0_insert_~list#1.offset| 0))' at error location [2024-11-14 02:46:35,352 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 02:46:35,352 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-14 02:46:35,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 33] total 48 [2024-11-14 02:46:35,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231275123] [2024-11-14 02:46:35,353 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-14 02:46:35,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-14 02:46:35,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:46:35,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-14 02:46:35,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=228, Invalid=4603, Unknown=3, NotChecked=136, Total=4970 [2024-11-14 02:46:35,356 INFO L87 Difference]: Start difference. First operand 278 states and 332 transitions. Second operand has 48 states, 43 states have (on average 1.6744186046511629) internal successors, (72), 43 states have internal predecessors, (72), 3 states have call successors, (7), 2 states have call predecessors, (7), 5 states have return successors, (8), 5 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-14 02:46:37,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:46:44,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:46:44,572 INFO L93 Difference]: Finished difference Result 380 states and 465 transitions. [2024-11-14 02:46:44,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-14 02:46:44,573 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 43 states have (on average 1.6744186046511629) internal successors, (72), 43 states have internal predecessors, (72), 3 states have call successors, (7), 2 states have call predecessors, (7), 5 states have return successors, (8), 5 states have call predecessors, (8), 3 states have call successors, (8) Word has length 98 [2024-11-14 02:46:44,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:46:44,575 INFO L225 Difference]: With dead ends: 380 [2024-11-14 02:46:44,575 INFO L226 Difference]: Without dead ends: 376 [2024-11-14 02:46:44,576 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 147 SyntacticMatches, 6 SemanticMatches, 80 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 2026 ImplicationChecksByTransitivity, 38.6s TimeCoverageRelationStatistics Valid=363, Invalid=6118, Unknown=3, NotChecked=158, Total=6642 [2024-11-14 02:46:44,577 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 231 mSDsluCounter, 1797 mSDsCounter, 0 mSdLazyCounter, 6488 mSolverCounterSat, 14 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 1901 SdHoareTripleChecker+Invalid, 6855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 6488 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 352 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2024-11-14 02:46:44,577 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [231 Valid, 1901 Invalid, 6855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 6488 Invalid, 1 Unknown, 352 Unchecked, 8.0s Time] [2024-11-14 02:46:44,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2024-11-14 02:46:44,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 284. [2024-11-14 02:46:44,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 182 states have (on average 1.6428571428571428) internal successors, (299), 258 states have internal predecessors, (299), 20 states have call successors, (20), 5 states have call predecessors, (20), 7 states have return successors, (28), 20 states have call predecessors, (28), 19 states have call successors, (28) [2024-11-14 02:46:44,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 347 transitions. [2024-11-14 02:46:44,589 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 347 transitions. Word has length 98 [2024-11-14 02:46:44,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:46:44,589 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 347 transitions. [2024-11-14 02:46:44,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 43 states have (on average 1.6744186046511629) internal successors, (72), 43 states have internal predecessors, (72), 3 states have call successors, (7), 2 states have call predecessors, (7), 5 states have return successors, (8), 5 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-14 02:46:44,589 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 347 transitions. [2024-11-14 02:46:44,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-14 02:46:44,590 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:46:44,590 INFO L215 NwaCegarLoop]: trace histogram [46, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:46:44,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-14 02:46:44,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-14 02:46:44,791 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 86 more)] === [2024-11-14 02:46:44,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:46:44,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1147201412, now seen corresponding path program 2 times [2024-11-14 02:46:44,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:46:44,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270637388] [2024-11-14 02:46:44,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:46:44,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:46:45,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 02:46:45,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [176754235] [2024-11-14 02:46:45,075 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-14 02:46:45,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:46:45,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:46:45,077 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 02:46:45,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-14 02:47:45,390 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-14 02:47:45,390 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 02:47:45,402 INFO L255 TraceCheckSpWp]: Trace formula consists of 803 conjuncts, 64 conjuncts are in the unsatisfiable core [2024-11-14 02:47:45,407 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:47:45,471 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-11-14 02:47:45,516 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-14 02:47:45,861 INFO L134 CoverageAnalysis]: Checked inductivity of 1386 backedges. 620 proven. 160 refuted. 0 times theorem prover too weak. 606 trivial. 0 not checked. [2024-11-14 02:47:45,861 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:47:46,631 INFO L134 CoverageAnalysis]: Checked inductivity of 1386 backedges. 466 proven. 55 refuted. 0 times theorem prover too weak. 865 trivial. 0 not checked. [2024-11-14 02:47:46,632 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:47:46,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270637388] [2024-11-14 02:47:46,632 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-14 02:47:46,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [176754235] [2024-11-14 02:47:46,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [176754235] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 02:47:46,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [562159649] [2024-11-14 02:47:46,633 INFO L159 IcfgInterpreter]: Started Sifa with 29 locations of interest [2024-11-14 02:47:46,633 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 02:47:46,634 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 02:47:46,634 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 02:47:46,634 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 02:47:47,209 INFO L197 IcfgInterpreter]: Interpreting procedure zalloc_or_die with input of size 65 for LOIs [2024-11-14 02:47:47,319 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 02:47:54,590 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '12727#(and (exists ((|v_#memory_$Pointer$.base_517| (Array Int (Array Int Int))) (|v_zalloc_or_die_#Ultimate.C_memset_#t~loopctr41#1_564| Int) (|v_#memory_$Pointer$.base_516| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_516| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_517| (Array Int (Array Int Int))) (|v_ULTIMATE.start_l4_insert_~list#1.base_20| Int) (|v_ULTIMATE.start_l4_insert_~list#1.offset_17| Int) (|v_zalloc_or_die_#Ultimate.C_memset_#value#1_253| Int) (|v_zalloc_or_die_#Ultimate.C_memset_#res#1.offset_208| Int) (|v_zalloc_or_die_#Ultimate.C_memset_#amount#1_226| Int) (|v_#memory_int_474| (Array Int (Array Int Int))) (|v_#memory_int_473| (Array Int (Array Int Int))) (|v_#memory_int_475| (Array Int (Array Int Int)))) (and (not (= (select (select |v_#memory_$Pointer$.base_517| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_20|) |v_ULTIMATE.start_l4_insert_~list#1.offset_17|)) (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_20|) |v_ULTIMATE.start_l4_insert_~list#1.offset_17|) 4)) 0)) (= (select |#valid| |v_ULTIMATE.start_l4_insert_~list#1.base_20|) 1) (= |v_#memory_int_475| (store |v_#memory_int_474| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_20|) |v_ULTIMATE.start_l4_insert_~list#1.offset_17|) (store (select |v_#memory_int_474| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_20|) |v_ULTIMATE.start_l4_insert_~list#1.offset_17|)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_20|) |v_ULTIMATE.start_l4_insert_~list#1.offset_17|) (select (select |v_#memory_int_475| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_20|) |v_ULTIMATE.start_l4_insert_~list#1.offset_17|)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_20|) |v_ULTIMATE.start_l4_insert_~list#1.offset_17|))))) (= |#memory_$Pointer$.offset| (store (store |v_#memory_$Pointer$.offset_517| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_20|) |v_ULTIMATE.start_l4_insert_~list#1.offset_17|) (store (select |v_#memory_$Pointer$.offset_517| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_20|) |v_ULTIMATE.start_l4_insert_~list#1.offset_17|)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_20|) |v_ULTIMATE.start_l4_insert_~list#1.offset_17|) (select (select |v_#memory_$Pointer$.offset_517| |v_ULTIMATE.start_l4_insert_~list#1.base_20|) |v_ULTIMATE.start_l4_insert_~list#1.offset_17|))) |v_ULTIMATE.start_l4_insert_~list#1.base_20| (store (select (store |v_#memory_$Pointer$.offset_517| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_20|) |v_ULTIMATE.start_l4_insert_~list#1.offset_17|) (store (select |v_#memory_$Pointer$.offset_517| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_20|) |v_ULTIMATE.start_l4_insert_~list#1.offset_17|)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_20|) |v_ULTIMATE.start_l4_insert_~list#1.offset_17|) (select (select |v_#memory_$Pointer$.offset_517| |v_ULTIMATE.start_l4_insert_~list#1.base_20|) |v_ULTIMATE.start_l4_insert_~list#1.offset_17|))) |v_ULTIMATE.start_l4_insert_~list#1.base_20|) |v_ULTIMATE.start_l4_insert_~list#1.offset_17| (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_20|) |v_ULTIMATE.start_l4_insert_~list#1.offset_17|)))) (<= (+ 4 |v_ULTIMATE.start_l4_insert_~list#1.offset_17|) (select |#length| |v_ULTIMATE.start_l4_insert_~list#1.base_20|)) (= (store |v_#memory_int_473| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_20|) |v_ULTIMATE.start_l4_insert_~list#1.offset_17|) (store (select |v_#memory_int_473| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_20|) |v_ULTIMATE.start_l4_insert_~list#1.offset_17|)) (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_20|) |v_ULTIMATE.start_l4_insert_~list#1.offset_17|) 4) (select (select |v_#memory_int_474| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_20|) |v_ULTIMATE.start_l4_insert_~list#1.offset_17|)) (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_20|) |v_ULTIMATE.start_l4_insert_~list#1.offset_17|) 4)))) |v_#memory_int_474|) (= |v_zalloc_or_die_#Ultimate.C_memset_#value#1_253| 0) (= |v_#memory_$Pointer$.base_517| (store |v_#memory_$Pointer$.base_516| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_20|) |v_ULTIMATE.start_l4_insert_~list#1.offset_17|) (store (select |v_#memory_$Pointer$.base_516| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_20|) |v_ULTIMATE.start_l4_insert_~list#1.offset_17|)) (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_20|) |v_ULTIMATE.start_l4_insert_~list#1.offset_17|) 4) (select (select |v_#memory_$Pointer$.base_517| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_20|) |v_ULTIMATE.start_l4_insert_~list#1.offset_17|)) (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_20|) |v_ULTIMATE.start_l4_insert_~list#1.offset_17|) 4))))) (<= 0 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_20|) |v_ULTIMATE.start_l4_insert_~list#1.offset_17|)) (<= 0 |v_zalloc_or_die_#Ultimate.C_memset_#t~loopctr41#1_564|) (= (store |v_#memory_$Pointer$.offset_516| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_20|) |v_ULTIMATE.start_l4_insert_~list#1.offset_17|) (store (select |v_#memory_$Pointer$.offset_516| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_20|) |v_ULTIMATE.start_l4_insert_~list#1.offset_17|)) (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_20|) |v_ULTIMATE.start_l4_insert_~list#1.offset_17|) 4) 0)) |v_#memory_$Pointer$.offset_517|) (<= (+ 8 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_20|) |v_ULTIMATE.start_l4_insert_~list#1.offset_17|)) (select |#length| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_20|) |v_ULTIMATE.start_l4_insert_~list#1.offset_17|))) (<= (mod |v_zalloc_or_die_#Ultimate.C_memset_#amount#1_226| 4294967296) (mod |v_zalloc_or_die_#Ultimate.C_memset_#t~loopctr41#1_564| 4294967296)) (= |#memory_int| (store |v_#memory_int_475| |v_ULTIMATE.start_l4_insert_~list#1.base_20| (store (select |v_#memory_int_475| |v_ULTIMATE.start_l4_insert_~list#1.base_20|) |v_ULTIMATE.start_l4_insert_~list#1.offset_17| (select (select |#memory_int| |v_ULTIMATE.start_l4_insert_~list#1.base_20|) |v_ULTIMATE.start_l4_insert_~list#1.offset_17|)))) (= |v_zalloc_or_die_#Ultimate.C_memset_#res#1.offset_208| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_20|) |v_ULTIMATE.start_l4_insert_~list#1.offset_17|)) 1) (<= 0 |v_ULTIMATE.start_l4_insert_~list#1.offset_17|) (= (store (store |v_#memory_$Pointer$.base_517| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_20|) |v_ULTIMATE.start_l4_insert_~list#1.offset_17|) (store (select |v_#memory_$Pointer$.base_517| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_20|) |v_ULTIMATE.start_l4_insert_~list#1.offset_17|)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_20|) |v_ULTIMATE.start_l4_insert_~list#1.offset_17|) (select (select |v_#memory_$Pointer$.base_517| |v_ULTIMATE.start_l4_insert_~list#1.base_20|) |v_ULTIMATE.start_l4_insert_~list#1.offset_17|))) |v_ULTIMATE.start_l4_insert_~list#1.base_20| (store (select (store |v_#memory_$Pointer$.base_517| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_20|) |v_ULTIMATE.start_l4_insert_~list#1.offset_17|) (store (select |v_#memory_$Pointer$.base_517| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_20|) |v_ULTIMATE.start_l4_insert_~list#1.offset_17|)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_20|) |v_ULTIMATE.start_l4_insert_~list#1.offset_17|) (select (select |v_#memory_$Pointer$.base_517| |v_ULTIMATE.start_l4_insert_~list#1.base_20|) |v_ULTIMATE.start_l4_insert_~list#1.offset_17|))) |v_ULTIMATE.start_l4_insert_~list#1.base_20|) |v_ULTIMATE.start_l4_insert_~list#1.offset_17| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_20|) |v_ULTIMATE.start_l4_insert_~list#1.offset_17|))) |#memory_$Pointer$.base|))) (<= 1 |#StackHeapBarrier|) (= |~#list~0.offset| 0) (= |ULTIMATE.start_l0_insert_~list#1.base| 3) (= 3 |~#list~0.base|) (= |ULTIMATE.start_l0_insert_~list#1.offset| 0))' at error location [2024-11-14 02:47:54,590 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 02:47:54,590 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-14 02:47:54,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 15] total 35 [2024-11-14 02:47:54,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438358797] [2024-11-14 02:47:54,591 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-14 02:47:54,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-11-14 02:47:54,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:47:54,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-11-14 02:47:54,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=305, Invalid=2774, Unknown=1, NotChecked=0, Total=3080 [2024-11-14 02:47:54,593 INFO L87 Difference]: Start difference. First operand 284 states and 347 transitions. Second operand has 35 states, 33 states have (on average 1.7575757575757576) internal successors, (58), 35 states have internal predecessors, (58), 1 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-14 02:48:04,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:48:04,157 INFO L93 Difference]: Finished difference Result 316 states and 401 transitions. [2024-11-14 02:48:04,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-14 02:48:04,158 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 33 states have (on average 1.7575757575757576) internal successors, (58), 35 states have internal predecessors, (58), 1 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) Word has length 99 [2024-11-14 02:48:04,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:48:04,159 INFO L225 Difference]: With dead ends: 316 [2024-11-14 02:48:04,159 INFO L226 Difference]: Without dead ends: 312 [2024-11-14 02:48:04,161 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 235 SyntacticMatches, 6 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2297 ImplicationChecksByTransitivity, 16.7s TimeCoverageRelationStatistics Valid=1150, Invalid=6859, Unknown=1, NotChecked=0, Total=8010 [2024-11-14 02:48:04,162 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 84 mSDsluCounter, 3760 mSDsCounter, 0 mSdLazyCounter, 1032 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 3954 SdHoareTripleChecker+Invalid, 1106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 1032 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-14 02:48:04,162 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 3954 Invalid, 1106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 1032 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-14 02:48:04,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2024-11-14 02:48:04,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 312. [2024-11-14 02:48:04,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 210 states have (on average 1.5666666666666667) internal successors, (329), 286 states have internal predecessors, (329), 20 states have call successors, (20), 5 states have call predecessors, (20), 7 states have return successors, (28), 20 states have call predecessors, (28), 19 states have call successors, (28) [2024-11-14 02:48:04,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 377 transitions. [2024-11-14 02:48:04,172 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 377 transitions. Word has length 99 [2024-11-14 02:48:04,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:48:04,173 INFO L471 AbstractCegarLoop]: Abstraction has 312 states and 377 transitions. [2024-11-14 02:48:04,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 33 states have (on average 1.7575757575757576) internal successors, (58), 35 states have internal predecessors, (58), 1 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-14 02:48:04,173 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 377 transitions. [2024-11-14 02:48:04,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-14 02:48:04,174 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:48:04,174 INFO L215 NwaCegarLoop]: trace histogram [58, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:48:04,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-14 02:48:04,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-14 02:48:04,375 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 86 more)] === [2024-11-14 02:48:04,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:48:04,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1589198980, now seen corresponding path program 3 times [2024-11-14 02:48:04,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:48:04,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899287293] [2024-11-14 02:48:04,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:48:04,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:48:04,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 02:48:04,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2132485189] [2024-11-14 02:48:04,686 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-14 02:48:04,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:48:04,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:48:04,688 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 02:48:04,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-14 02:48:07,405 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-14 02:48:07,406 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 02:48:07,415 INFO L255 TraceCheckSpWp]: Trace formula consists of 1405 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-11-14 02:48:07,420 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:48:07,490 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-11-14 02:48:07,534 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-14 02:48:07,762 INFO L134 CoverageAnalysis]: Checked inductivity of 2076 backedges. 818 proven. 105 refuted. 0 times theorem prover too weak. 1153 trivial. 0 not checked. [2024-11-14 02:48:07,762 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:48:08,259 INFO L134 CoverageAnalysis]: Checked inductivity of 2076 backedges. 67 proven. 424 refuted. 0 times theorem prover too weak. 1585 trivial. 0 not checked. [2024-11-14 02:48:08,259 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:48:08,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899287293] [2024-11-14 02:48:08,259 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-14 02:48:08,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2132485189] [2024-11-14 02:48:08,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2132485189] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 02:48:08,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1217813988] [2024-11-14 02:48:08,261 INFO L159 IcfgInterpreter]: Started Sifa with 29 locations of interest [2024-11-14 02:48:08,261 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 02:48:08,261 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 02:48:08,261 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 02:48:08,261 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 02:48:08,856 INFO L197 IcfgInterpreter]: Interpreting procedure zalloc_or_die with input of size 65 for LOIs [2024-11-14 02:48:09,035 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 02:48:16,157 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '14133#(and (<= 1 |#StackHeapBarrier|) (= |~#list~0.offset| 0) (= |ULTIMATE.start_l0_insert_~list#1.base| 3) (= 3 |~#list~0.base|) (exists ((|v_#memory_$Pointer$.offset_610| (Array Int (Array Int Int))) (|v_#memory_int_566| (Array Int (Array Int Int))) (|v_zalloc_or_die_#Ultimate.C_memset_#t~loopctr41#1_675| Int) (|v_#memory_int_568| (Array Int (Array Int Int))) (|v_#memory_int_567| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_609| (Array Int (Array Int Int))) (|v_ULTIMATE.start_l4_insert_~list#1.base_22| Int) (|v_zalloc_or_die_#Ultimate.C_memset_#amount#1_253| Int) (|v_zalloc_or_die_#Ultimate.C_memset_#res#1.offset_233| Int) (|v_#memory_$Pointer$.base_609| (Array Int (Array Int Int))) (|v_zalloc_or_die_#Ultimate.C_memset_#value#1_285| Int) (|v_ULTIMATE.start_l4_insert_~list#1.offset_19| Int) (|v_#memory_$Pointer$.base_610| (Array Int (Array Int Int)))) (and (= (store (store |v_#memory_$Pointer$.base_610| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_22|) |v_ULTIMATE.start_l4_insert_~list#1.offset_19|) (store (select |v_#memory_$Pointer$.base_610| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_22|) |v_ULTIMATE.start_l4_insert_~list#1.offset_19|)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_22|) |v_ULTIMATE.start_l4_insert_~list#1.offset_19|) (select (select |v_#memory_$Pointer$.base_610| |v_ULTIMATE.start_l4_insert_~list#1.base_22|) |v_ULTIMATE.start_l4_insert_~list#1.offset_19|))) |v_ULTIMATE.start_l4_insert_~list#1.base_22| (store (select (store |v_#memory_$Pointer$.base_610| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_22|) |v_ULTIMATE.start_l4_insert_~list#1.offset_19|) (store (select |v_#memory_$Pointer$.base_610| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_22|) |v_ULTIMATE.start_l4_insert_~list#1.offset_19|)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_22|) |v_ULTIMATE.start_l4_insert_~list#1.offset_19|) (select (select |v_#memory_$Pointer$.base_610| |v_ULTIMATE.start_l4_insert_~list#1.base_22|) |v_ULTIMATE.start_l4_insert_~list#1.offset_19|))) |v_ULTIMATE.start_l4_insert_~list#1.base_22|) |v_ULTIMATE.start_l4_insert_~list#1.offset_19| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_22|) |v_ULTIMATE.start_l4_insert_~list#1.offset_19|))) |#memory_$Pointer$.base|) (<= (mod |v_zalloc_or_die_#Ultimate.C_memset_#amount#1_253| 4294967296) (mod |v_zalloc_or_die_#Ultimate.C_memset_#t~loopctr41#1_675| 4294967296)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_22|) |v_ULTIMATE.start_l4_insert_~list#1.offset_19|)) 1) (= |v_#memory_int_567| (store |v_#memory_int_566| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_22|) |v_ULTIMATE.start_l4_insert_~list#1.offset_19|) (store (select |v_#memory_int_566| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_22|) |v_ULTIMATE.start_l4_insert_~list#1.offset_19|)) (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_22|) |v_ULTIMATE.start_l4_insert_~list#1.offset_19|) 4) (select (select |v_#memory_int_567| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_22|) |v_ULTIMATE.start_l4_insert_~list#1.offset_19|)) (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_22|) |v_ULTIMATE.start_l4_insert_~list#1.offset_19|) 4))))) (= |v_#memory_$Pointer$.offset_610| (store |v_#memory_$Pointer$.offset_609| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_22|) |v_ULTIMATE.start_l4_insert_~list#1.offset_19|) (store (select |v_#memory_$Pointer$.offset_609| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_22|) |v_ULTIMATE.start_l4_insert_~list#1.offset_19|)) (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_22|) |v_ULTIMATE.start_l4_insert_~list#1.offset_19|) 4) 0))) (not (= (select (select |v_#memory_$Pointer$.base_610| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_22|) |v_ULTIMATE.start_l4_insert_~list#1.offset_19|)) (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_22|) |v_ULTIMATE.start_l4_insert_~list#1.offset_19|) 4)) 0)) (<= 0 |v_ULTIMATE.start_l4_insert_~list#1.offset_19|) (= |#memory_$Pointer$.offset| (store (store |v_#memory_$Pointer$.offset_610| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_22|) |v_ULTIMATE.start_l4_insert_~list#1.offset_19|) (store (select |v_#memory_$Pointer$.offset_610| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_22|) |v_ULTIMATE.start_l4_insert_~list#1.offset_19|)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_22|) |v_ULTIMATE.start_l4_insert_~list#1.offset_19|) (select (select |v_#memory_$Pointer$.offset_610| |v_ULTIMATE.start_l4_insert_~list#1.base_22|) |v_ULTIMATE.start_l4_insert_~list#1.offset_19|))) |v_ULTIMATE.start_l4_insert_~list#1.base_22| (store (select (store |v_#memory_$Pointer$.offset_610| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_22|) |v_ULTIMATE.start_l4_insert_~list#1.offset_19|) (store (select |v_#memory_$Pointer$.offset_610| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_22|) |v_ULTIMATE.start_l4_insert_~list#1.offset_19|)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_22|) |v_ULTIMATE.start_l4_insert_~list#1.offset_19|) (select (select |v_#memory_$Pointer$.offset_610| |v_ULTIMATE.start_l4_insert_~list#1.base_22|) |v_ULTIMATE.start_l4_insert_~list#1.offset_19|))) |v_ULTIMATE.start_l4_insert_~list#1.base_22|) |v_ULTIMATE.start_l4_insert_~list#1.offset_19| (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_22|) |v_ULTIMATE.start_l4_insert_~list#1.offset_19|)))) (<= (+ 4 |v_ULTIMATE.start_l4_insert_~list#1.offset_19|) (select |#length| |v_ULTIMATE.start_l4_insert_~list#1.base_22|)) (= (select |#valid| |v_ULTIMATE.start_l4_insert_~list#1.base_22|) 1) (= |v_zalloc_or_die_#Ultimate.C_memset_#res#1.offset_233| 0) (<= 0 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_22|) |v_ULTIMATE.start_l4_insert_~list#1.offset_19|)) (= (store |v_#memory_$Pointer$.base_609| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_22|) |v_ULTIMATE.start_l4_insert_~list#1.offset_19|) (store (select |v_#memory_$Pointer$.base_609| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_22|) |v_ULTIMATE.start_l4_insert_~list#1.offset_19|)) (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_22|) |v_ULTIMATE.start_l4_insert_~list#1.offset_19|) 4) (select (select |v_#memory_$Pointer$.base_610| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_22|) |v_ULTIMATE.start_l4_insert_~list#1.offset_19|)) (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_22|) |v_ULTIMATE.start_l4_insert_~list#1.offset_19|) 4)))) |v_#memory_$Pointer$.base_610|) (= |v_zalloc_or_die_#Ultimate.C_memset_#value#1_285| 0) (= |#memory_int| (store |v_#memory_int_568| |v_ULTIMATE.start_l4_insert_~list#1.base_22| (store (select |v_#memory_int_568| |v_ULTIMATE.start_l4_insert_~list#1.base_22|) |v_ULTIMATE.start_l4_insert_~list#1.offset_19| (select (select |#memory_int| |v_ULTIMATE.start_l4_insert_~list#1.base_22|) |v_ULTIMATE.start_l4_insert_~list#1.offset_19|)))) (= (store |v_#memory_int_567| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_22|) |v_ULTIMATE.start_l4_insert_~list#1.offset_19|) (store (select |v_#memory_int_567| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_22|) |v_ULTIMATE.start_l4_insert_~list#1.offset_19|)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_22|) |v_ULTIMATE.start_l4_insert_~list#1.offset_19|) (select (select |v_#memory_int_568| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_22|) |v_ULTIMATE.start_l4_insert_~list#1.offset_19|)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_22|) |v_ULTIMATE.start_l4_insert_~list#1.offset_19|)))) |v_#memory_int_568|) (<= (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_22|) |v_ULTIMATE.start_l4_insert_~list#1.offset_19|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_22|) |v_ULTIMATE.start_l4_insert_~list#1.offset_19|))) (<= 0 |v_zalloc_or_die_#Ultimate.C_memset_#t~loopctr41#1_675|))) (= |ULTIMATE.start_l0_insert_~list#1.offset| 0))' at error location [2024-11-14 02:48:16,157 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 02:48:16,157 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-14 02:48:16,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 12] total 29 [2024-11-14 02:48:16,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341337802] [2024-11-14 02:48:16,157 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-14 02:48:16,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-14 02:48:16,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:48:16,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-14 02:48:16,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=200, Invalid=2249, Unknown=1, NotChecked=0, Total=2450 [2024-11-14 02:48:16,159 INFO L87 Difference]: Start difference. First operand 312 states and 377 transitions. Second operand has 29 states, 27 states have (on average 2.111111111111111) internal successors, (57), 29 states have internal predecessors, (57), 2 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-14 02:48:17,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:48:17,645 INFO L93 Difference]: Finished difference Result 310 states and 366 transitions. [2024-11-14 02:48:17,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-14 02:48:17,646 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 27 states have (on average 2.111111111111111) internal successors, (57), 29 states have internal predecessors, (57), 2 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 111 [2024-11-14 02:48:17,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:48:17,647 INFO L225 Difference]: With dead ends: 310 [2024-11-14 02:48:17,647 INFO L226 Difference]: Without dead ends: 308 [2024-11-14 02:48:17,649 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 277 SyntacticMatches, 6 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1244 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=431, Invalid=3990, Unknown=1, NotChecked=0, Total=4422 [2024-11-14 02:48:17,649 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 33 mSDsluCounter, 3805 mSDsCounter, 0 mSdLazyCounter, 988 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 4004 SdHoareTripleChecker+Invalid, 1003 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 988 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-14 02:48:17,650 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 4004 Invalid, 1003 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 988 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-14 02:48:17,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2024-11-14 02:48:17,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 308. [2024-11-14 02:48:17,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 209 states have (on average 1.5598086124401913) internal successors, (326), 283 states have internal predecessors, (326), 19 states have call successors, (19), 5 states have call predecessors, (19), 5 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-14 02:48:17,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 364 transitions. [2024-11-14 02:48:17,660 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 364 transitions. Word has length 111 [2024-11-14 02:48:17,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:48:17,660 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 364 transitions. [2024-11-14 02:48:17,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 27 states have (on average 2.111111111111111) internal successors, (57), 29 states have internal predecessors, (57), 2 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-14 02:48:17,660 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 364 transitions. [2024-11-14 02:48:17,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-14 02:48:17,661 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:48:17,661 INFO L215 NwaCegarLoop]: trace histogram [62, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:48:17,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-14 02:48:17,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-14 02:48:17,862 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 86 more)] === [2024-11-14 02:48:17,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:48:17,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1939974420, now seen corresponding path program 4 times [2024-11-14 02:48:17,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:48:17,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624530170] [2024-11-14 02:48:17,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:48:17,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:48:18,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:48:22,927 INFO L134 CoverageAnalysis]: Checked inductivity of 2338 backedges. 933 proven. 918 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2024-11-14 02:48:22,928 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:48:22,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624530170] [2024-11-14 02:48:22,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624530170] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 02:48:22,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2096748945] [2024-11-14 02:48:22,928 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-14 02:48:22,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:48:22,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:48:22,932 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 02:48:22,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-14 02:48:27,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:48:27,208 INFO L255 TraceCheckSpWp]: Trace formula consists of 1465 conjuncts, 156 conjuncts are in the unsatisfiable core [2024-11-14 02:48:27,214 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:48:27,220 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 3 [2024-11-14 02:48:27,546 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-14 02:48:27,561 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-14 02:49:00,121 WARN L873 $PredicateComparison]: unable to prove that (exists ((|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (and (= (store |c_old(#valid)| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1) |c_#valid|) (= (store |c_old(#length)| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| (select |c_#length| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base|)) |c_#length|) (= (select |c_old(#valid)| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base|) 0))) is different from true [2024-11-14 02:49:00,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 02:49:00,192 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-11-14 02:49:00,210 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2024-11-14 02:49:00,210 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2024-11-14 02:49:01,132 INFO L349 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2024-11-14 02:49:01,132 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 24 treesize of output 28 [2024-11-14 02:49:01,149 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-11-14 02:49:01,448 WARN L873 $PredicateComparison]: unable to prove that (exists ((|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (and (= (store |c_old(#length)| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| (select |c_#length| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base|)) |c_#length|) (= (select |c_old(#valid)| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base|) 0))) is different from true [2024-11-14 02:49:02,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 02:49:02,405 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-11-14 02:49:02,440 INFO L349 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2024-11-14 02:49:02,440 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2024-11-14 02:49:02,684 INFO L134 CoverageAnalysis]: Checked inductivity of 2338 backedges. 556 proven. 622 refuted. 0 times theorem prover too weak. 196 trivial. 964 not checked. [2024-11-14 02:49:02,684 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:49:03,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2096748945] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 02:49:03,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [136901213] [2024-11-14 02:49:03,007 INFO L159 IcfgInterpreter]: Started Sifa with 29 locations of interest [2024-11-14 02:49:03,007 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 02:49:03,007 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 02:49:03,007 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 02:49:03,007 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 02:49:03,710 INFO L197 IcfgInterpreter]: Interpreting procedure zalloc_or_die with input of size 65 for LOIs [2024-11-14 02:49:03,818 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 02:49:34,585 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '15243#(and (<= 1 |#StackHeapBarrier|) (= |~#list~0.offset| 0) (= |ULTIMATE.start_l0_insert_~list#1.base| 3) (= 3 |~#list~0.base|) (= |ULTIMATE.start_l0_insert_~list#1.offset| 0) (exists ((|v_#memory_int_603| (Array Int (Array Int Int))) (|v_#memory_int_605| (Array Int (Array Int Int))) (|v_#memory_int_604| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_646| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_647| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_647| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_646| (Array Int (Array Int Int))) (|v_ULTIMATE.start_l4_insert_~list#1.offset_20| Int) (|v_zalloc_or_die_#Ultimate.C_memset_#t~loopctr41#1_744| Int) (|v_zalloc_or_die_#Ultimate.C_memset_#res#1.offset_242| Int) (|v_ULTIMATE.start_l4_insert_~list#1.base_23| Int) (|v_zalloc_or_die_#Ultimate.C_memset_#amount#1_263| Int) (|v_zalloc_or_die_#Ultimate.C_memset_#value#1_295| Int)) (and (= (store |v_#memory_int_604| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_23|) |v_ULTIMATE.start_l4_insert_~list#1.offset_20|) (store (select |v_#memory_int_604| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_23|) |v_ULTIMATE.start_l4_insert_~list#1.offset_20|)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_23|) |v_ULTIMATE.start_l4_insert_~list#1.offset_20|) (select (select |v_#memory_int_605| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_23|) |v_ULTIMATE.start_l4_insert_~list#1.offset_20|)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_23|) |v_ULTIMATE.start_l4_insert_~list#1.offset_20|)))) |v_#memory_int_605|) (= |v_#memory_$Pointer$.base_647| (store |v_#memory_$Pointer$.base_646| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_23|) |v_ULTIMATE.start_l4_insert_~list#1.offset_20|) (store (select |v_#memory_$Pointer$.base_646| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_23|) |v_ULTIMATE.start_l4_insert_~list#1.offset_20|)) (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_23|) |v_ULTIMATE.start_l4_insert_~list#1.offset_20|) 4) (select (select |v_#memory_$Pointer$.base_647| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_23|) |v_ULTIMATE.start_l4_insert_~list#1.offset_20|)) (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_23|) |v_ULTIMATE.start_l4_insert_~list#1.offset_20|) 4))))) (<= 0 |v_zalloc_or_die_#Ultimate.C_memset_#t~loopctr41#1_744|) (= (store |v_#memory_int_603| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_23|) |v_ULTIMATE.start_l4_insert_~list#1.offset_20|) (store (select |v_#memory_int_603| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_23|) |v_ULTIMATE.start_l4_insert_~list#1.offset_20|)) (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_23|) |v_ULTIMATE.start_l4_insert_~list#1.offset_20|) 4) (select (select |v_#memory_int_604| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_23|) |v_ULTIMATE.start_l4_insert_~list#1.offset_20|)) (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_23|) |v_ULTIMATE.start_l4_insert_~list#1.offset_20|) 4)))) |v_#memory_int_604|) (= |v_zalloc_or_die_#Ultimate.C_memset_#value#1_295| 0) (= |#memory_$Pointer$.base| (store (store |v_#memory_$Pointer$.base_647| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_23|) |v_ULTIMATE.start_l4_insert_~list#1.offset_20|) (store (select |v_#memory_$Pointer$.base_647| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_23|) |v_ULTIMATE.start_l4_insert_~list#1.offset_20|)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_23|) |v_ULTIMATE.start_l4_insert_~list#1.offset_20|) (select (select |v_#memory_$Pointer$.base_647| |v_ULTIMATE.start_l4_insert_~list#1.base_23|) |v_ULTIMATE.start_l4_insert_~list#1.offset_20|))) |v_ULTIMATE.start_l4_insert_~list#1.base_23| (store (select (store |v_#memory_$Pointer$.base_647| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_23|) |v_ULTIMATE.start_l4_insert_~list#1.offset_20|) (store (select |v_#memory_$Pointer$.base_647| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_23|) |v_ULTIMATE.start_l4_insert_~list#1.offset_20|)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_23|) |v_ULTIMATE.start_l4_insert_~list#1.offset_20|) (select (select |v_#memory_$Pointer$.base_647| |v_ULTIMATE.start_l4_insert_~list#1.base_23|) |v_ULTIMATE.start_l4_insert_~list#1.offset_20|))) |v_ULTIMATE.start_l4_insert_~list#1.base_23|) |v_ULTIMATE.start_l4_insert_~list#1.offset_20| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_23|) |v_ULTIMATE.start_l4_insert_~list#1.offset_20|)))) (<= (mod |v_zalloc_or_die_#Ultimate.C_memset_#amount#1_263| 4294967296) (mod |v_zalloc_or_die_#Ultimate.C_memset_#t~loopctr41#1_744| 4294967296)) (<= (+ 4 |v_ULTIMATE.start_l4_insert_~list#1.offset_20|) (select |#length| |v_ULTIMATE.start_l4_insert_~list#1.base_23|)) (= |v_#memory_$Pointer$.offset_647| (store |v_#memory_$Pointer$.offset_646| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_23|) |v_ULTIMATE.start_l4_insert_~list#1.offset_20|) (store (select |v_#memory_$Pointer$.offset_646| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_23|) |v_ULTIMATE.start_l4_insert_~list#1.offset_20|)) (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_23|) |v_ULTIMATE.start_l4_insert_~list#1.offset_20|) 4) 0))) (<= (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_23|) |v_ULTIMATE.start_l4_insert_~list#1.offset_20|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_23|) |v_ULTIMATE.start_l4_insert_~list#1.offset_20|))) (<= 0 |v_ULTIMATE.start_l4_insert_~list#1.offset_20|) (= |#memory_$Pointer$.offset| (store (store |v_#memory_$Pointer$.offset_647| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_23|) |v_ULTIMATE.start_l4_insert_~list#1.offset_20|) (store (select |v_#memory_$Pointer$.offset_647| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_23|) |v_ULTIMATE.start_l4_insert_~list#1.offset_20|)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_23|) |v_ULTIMATE.start_l4_insert_~list#1.offset_20|) (select (select |v_#memory_$Pointer$.offset_647| |v_ULTIMATE.start_l4_insert_~list#1.base_23|) |v_ULTIMATE.start_l4_insert_~list#1.offset_20|))) |v_ULTIMATE.start_l4_insert_~list#1.base_23| (store (select (store |v_#memory_$Pointer$.offset_647| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_23|) |v_ULTIMATE.start_l4_insert_~list#1.offset_20|) (store (select |v_#memory_$Pointer$.offset_647| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_23|) |v_ULTIMATE.start_l4_insert_~list#1.offset_20|)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_23|) |v_ULTIMATE.start_l4_insert_~list#1.offset_20|) (select (select |v_#memory_$Pointer$.offset_647| |v_ULTIMATE.start_l4_insert_~list#1.base_23|) |v_ULTIMATE.start_l4_insert_~list#1.offset_20|))) |v_ULTIMATE.start_l4_insert_~list#1.base_23|) |v_ULTIMATE.start_l4_insert_~list#1.offset_20| (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_23|) |v_ULTIMATE.start_l4_insert_~list#1.offset_20|)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_23|) |v_ULTIMATE.start_l4_insert_~list#1.offset_20|)) 1) (= |#memory_int| (store |v_#memory_int_605| |v_ULTIMATE.start_l4_insert_~list#1.base_23| (store (select |v_#memory_int_605| |v_ULTIMATE.start_l4_insert_~list#1.base_23|) |v_ULTIMATE.start_l4_insert_~list#1.offset_20| (select (select |#memory_int| |v_ULTIMATE.start_l4_insert_~list#1.base_23|) |v_ULTIMATE.start_l4_insert_~list#1.offset_20|)))) (= |v_zalloc_or_die_#Ultimate.C_memset_#res#1.offset_242| 0) (not (= (select (select |v_#memory_$Pointer$.base_647| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l4_insert_~list#1.base_23|) |v_ULTIMATE.start_l4_insert_~list#1.offset_20|)) (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_23|) |v_ULTIMATE.start_l4_insert_~list#1.offset_20|) 4)) 0)) (= (select |#valid| |v_ULTIMATE.start_l4_insert_~list#1.base_23|) 1) (<= 0 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l4_insert_~list#1.base_23|) |v_ULTIMATE.start_l4_insert_~list#1.offset_20|)))))' at error location [2024-11-14 02:49:34,585 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 02:49:34,585 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-14 02:49:34,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 50] total 71 [2024-11-14 02:49:34,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66360899] [2024-11-14 02:49:34,585 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-14 02:49:34,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2024-11-14 02:49:34,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:49:34,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2024-11-14 02:49:34,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=341, Invalid=8203, Unknown=20, NotChecked=366, Total=8930 [2024-11-14 02:49:34,588 INFO L87 Difference]: Start difference. First operand 308 states and 364 transitions. Second operand has 72 states, 64 states have (on average 1.6875) internal successors, (108), 67 states have internal predecessors, (108), 5 states have call successors, (8), 2 states have call predecessors, (8), 8 states have return successors, (9), 8 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-14 02:49:36,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:49:44,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:49:44,290 INFO L93 Difference]: Finished difference Result 397 states and 471 transitions. [2024-11-14 02:49:44,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-14 02:49:44,294 INFO L78 Accepts]: Start accepts. Automaton has has 72 states, 64 states have (on average 1.6875) internal successors, (108), 67 states have internal predecessors, (108), 5 states have call successors, (8), 2 states have call predecessors, (8), 8 states have return successors, (9), 8 states have call predecessors, (9), 5 states have call successors, (9) Word has length 115 [2024-11-14 02:49:44,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:49:44,296 INFO L225 Difference]: With dead ends: 397 [2024-11-14 02:49:44,296 INFO L226 Difference]: Without dead ends: 397 [2024-11-14 02:49:44,297 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 168 SyntacticMatches, 8 SemanticMatches, 109 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 3958 ImplicationChecksByTransitivity, 68.8s TimeCoverageRelationStatistics Valid=582, Invalid=11178, Unknown=20, NotChecked=430, Total=12210 [2024-11-14 02:49:44,298 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 491 mSDsluCounter, 1234 mSDsCounter, 0 mSdLazyCounter, 6391 mSolverCounterSat, 45 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 491 SdHoareTripleChecker+Valid, 1319 SdHoareTripleChecker+Invalid, 7110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 6391 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 673 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2024-11-14 02:49:44,298 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [491 Valid, 1319 Invalid, 7110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 6391 Invalid, 1 Unknown, 673 Unchecked, 7.4s Time] [2024-11-14 02:49:44,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2024-11-14 02:49:44,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 305. [2024-11-14 02:49:44,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 209 states have (on average 1.5311004784688995) internal successors, (320), 280 states have internal predecessors, (320), 19 states have call successors, (19), 5 states have call predecessors, (19), 5 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-14 02:49:44,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 358 transitions. [2024-11-14 02:49:44,312 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 358 transitions. Word has length 115 [2024-11-14 02:49:44,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:49:44,312 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 358 transitions. [2024-11-14 02:49:44,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 64 states have (on average 1.6875) internal successors, (108), 67 states have internal predecessors, (108), 5 states have call successors, (8), 2 states have call predecessors, (8), 8 states have return successors, (9), 8 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-14 02:49:44,313 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 358 transitions. [2024-11-14 02:49:44,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-14 02:49:44,314 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:49:44,316 INFO L215 NwaCegarLoop]: trace histogram [62, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:49:44,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-14 02:49:44,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-14 02:49:44,517 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 86 more)] === [2024-11-14 02:49:44,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:49:44,517 INFO L85 PathProgramCache]: Analyzing trace with hash 175047357, now seen corresponding path program 1 times [2024-11-14 02:49:44,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:49:44,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013197508] [2024-11-14 02:49:44,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:49:44,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:49:44,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:49:50,257 INFO L134 CoverageAnalysis]: Checked inductivity of 2338 backedges. 636 proven. 1296 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2024-11-14 02:49:50,257 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:49:50,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013197508] [2024-11-14 02:49:50,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013197508] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 02:49:50,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1980396123] [2024-11-14 02:49:50,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:49:50,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:49:50,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:49:50,259 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 02:49:50,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-14 02:49:53,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:49:53,014 INFO L255 TraceCheckSpWp]: Trace formula consists of 1509 conjuncts, 161 conjuncts are in the unsatisfiable core [2024-11-14 02:49:53,020 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:49:53,340 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-14 02:50:28,767 WARN L873 $PredicateComparison]: unable to prove that (exists ((|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (and (= (store |c_old(#valid)| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1) |c_#valid|) (= (store |c_old(#length)| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| (select |c_#length| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base|)) |c_#length|) (= (select |c_old(#valid)| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base|) 0))) is different from true [2024-11-14 02:50:29,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 02:50:29,690 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-11-14 02:50:29,717 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2024-11-14 02:50:29,717 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2024-11-14 02:50:29,910 WARN L873 $PredicateComparison]: unable to prove that (exists ((|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (and (= (store |c_old(#length)| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| (select |c_#length| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base|)) |c_#length|) (= |c_#valid| (store |c_old(#valid)| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| (select |c_#valid| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base|))) (= (select |c_old(#valid)| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base|) 0))) is different from true [2024-11-14 02:50:30,072 INFO L349 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2024-11-14 02:50:30,072 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 24 treesize of output 28 [2024-11-14 02:50:30,078 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-11-14 02:50:30,482 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-11-14 02:50:30,482 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2024-11-14 02:50:30,513 INFO L349 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2024-11-14 02:50:30,513 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 22 [2024-11-14 02:50:30,840 WARN L873 $PredicateComparison]: unable to prove that (exists ((|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (and (= (store |c_old(#length)| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| (select |c_#length| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base|)) |c_#length|) (= (select |c_old(#valid)| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base|) 0))) is different from true [2024-11-14 02:50:31,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 02:50:31,684 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-14 02:50:31,711 INFO L349 Elim1Store]: treesize reduction 28, result has 31.7 percent of original size [2024-11-14 02:50:31,711 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 21 treesize of output 25 [2024-11-14 02:50:31,928 INFO L134 CoverageAnalysis]: Checked inductivity of 2338 backedges. 105 proven. 774 refuted. 0 times theorem prover too weak. 199 trivial. 1260 not checked. [2024-11-14 02:50:31,928 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:50:32,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1980396123] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 02:50:32,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [641318309] [2024-11-14 02:50:32,391 INFO L159 IcfgInterpreter]: Started Sifa with 33 locations of interest [2024-11-14 02:50:32,392 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 02:50:32,392 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 02:50:32,392 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 02:50:32,392 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 02:50:33,102 INFO L197 IcfgInterpreter]: Interpreting procedure zalloc_or_die with input of size 65 for LOIs [2024-11-14 02:50:33,196 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 02:51:25,457 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '16464#(and (<= 1 |#StackHeapBarrier|) (= |~#list~0.offset| 0) (= |ULTIMATE.start_l0_insert_~list#1.base| 3) (= 3 |~#list~0.base|) (= |ULTIMATE.start_l0_insert_~list#1.offset| 0) (exists ((|v_#memory_$Pointer$.offset_687| (Array Int (Array Int Int))) (|v_ULTIMATE.start_l3_insert_~list#1.base_20| Int) (|v_#memory_int_643| (Array Int (Array Int Int))) (|v_#memory_int_642| (Array Int (Array Int Int))) (|v_ULTIMATE.start_l4_insert_~list#1.offset_21| Int) (|v_#memory_int_645| (Array Int (Array Int Int))) (|v_#memory_int_644| (Array Int (Array Int Int))) (|v_zalloc_or_die_#Ultimate.C_memset_#value#1_305| Int) (|v_ULTIMATE.start_l4_insert_~list#1.base_24| Int) (|v_zalloc_or_die_#Ultimate.C_memset_#res#1.offset_251| Int) (|v_zalloc_or_die_#Ultimate.C_memset_#amount#1_273| Int) (|v_ULTIMATE.start_l3_insert_~list#1.offset_17| Int) (|v_#memory_$Pointer$.base_687| (Array Int (Array Int Int))) (|v_zalloc_or_die_#Ultimate.C_memset_#t~loopctr41#1_812| Int) (|v_#memory_int_641| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_685| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_684| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_684| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_685| (Array Int (Array Int Int)))) (and (= (store |v_#memory_int_643| |v_ULTIMATE.start_l4_insert_~list#1.base_24| (store (select |v_#memory_int_643| |v_ULTIMATE.start_l4_insert_~list#1.base_24|) |v_ULTIMATE.start_l4_insert_~list#1.offset_21| (select (select |v_#memory_int_644| |v_ULTIMATE.start_l4_insert_~list#1.base_24|) |v_ULTIMATE.start_l4_insert_~list#1.offset_21|))) |v_#memory_int_644|) (= (store |v_#memory_int_644| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l3_insert_~list#1.base_20|) |v_ULTIMATE.start_l3_insert_~list#1.offset_17|) (store (select |v_#memory_int_644| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l3_insert_~list#1.base_20|) |v_ULTIMATE.start_l3_insert_~list#1.offset_17|)) (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l3_insert_~list#1.base_20|) |v_ULTIMATE.start_l3_insert_~list#1.offset_17|) 4) (select (select |v_#memory_int_645| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l3_insert_~list#1.base_20|) |v_ULTIMATE.start_l3_insert_~list#1.offset_17|)) (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l3_insert_~list#1.base_20|) |v_ULTIMATE.start_l3_insert_~list#1.offset_17|) 4)))) |v_#memory_int_645|) (= (store |v_#memory_$Pointer$.offset_684| (select (select |v_#memory_$Pointer$.base_687| |v_ULTIMATE.start_l4_insert_~list#1.base_24|) |v_ULTIMATE.start_l4_insert_~list#1.offset_21|) (store (select |v_#memory_$Pointer$.offset_684| (select (select |v_#memory_$Pointer$.base_687| |v_ULTIMATE.start_l4_insert_~list#1.base_24|) |v_ULTIMATE.start_l4_insert_~list#1.offset_21|)) (+ (select (select |v_#memory_$Pointer$.offset_687| |v_ULTIMATE.start_l4_insert_~list#1.base_24|) |v_ULTIMATE.start_l4_insert_~list#1.offset_21|) 4) 0)) |v_#memory_$Pointer$.offset_685|) (<= 0 |v_ULTIMATE.start_l4_insert_~list#1.offset_21|) (<= (mod |v_zalloc_or_die_#Ultimate.C_memset_#amount#1_273| 4294967296) (mod |v_zalloc_or_die_#Ultimate.C_memset_#t~loopctr41#1_812| 4294967296)) (= (store (store |v_#memory_$Pointer$.base_687| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l3_insert_~list#1.base_20|) |v_ULTIMATE.start_l3_insert_~list#1.offset_17|) (store (select |v_#memory_$Pointer$.base_687| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l3_insert_~list#1.base_20|) |v_ULTIMATE.start_l3_insert_~list#1.offset_17|)) (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l3_insert_~list#1.base_20|) |v_ULTIMATE.start_l3_insert_~list#1.offset_17|) 4) (select (select |v_#memory_$Pointer$.base_687| |v_ULTIMATE.start_l3_insert_~list#1.base_20|) |v_ULTIMATE.start_l3_insert_~list#1.offset_17|))) |v_ULTIMATE.start_l3_insert_~list#1.base_20| (store (select (store |v_#memory_$Pointer$.base_687| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l3_insert_~list#1.base_20|) |v_ULTIMATE.start_l3_insert_~list#1.offset_17|) (store (select |v_#memory_$Pointer$.base_687| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l3_insert_~list#1.base_20|) |v_ULTIMATE.start_l3_insert_~list#1.offset_17|)) (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l3_insert_~list#1.base_20|) |v_ULTIMATE.start_l3_insert_~list#1.offset_17|) 4) (select (select |v_#memory_$Pointer$.base_687| |v_ULTIMATE.start_l3_insert_~list#1.base_20|) |v_ULTIMATE.start_l3_insert_~list#1.offset_17|))) |v_ULTIMATE.start_l3_insert_~list#1.base_20|) |v_ULTIMATE.start_l3_insert_~list#1.offset_17| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l3_insert_~list#1.base_20|) |v_ULTIMATE.start_l3_insert_~list#1.offset_17|))) |#memory_$Pointer$.base|) (<= 0 (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l3_insert_~list#1.base_20|) |v_ULTIMATE.start_l3_insert_~list#1.offset_17|) 4)) (= |v_zalloc_or_die_#Ultimate.C_memset_#value#1_305| 0) (<= 0 |v_zalloc_or_die_#Ultimate.C_memset_#t~loopctr41#1_812|) (<= (+ (select (select |v_#memory_$Pointer$.offset_687| |v_ULTIMATE.start_l4_insert_~list#1.base_24|) |v_ULTIMATE.start_l4_insert_~list#1.offset_21|) 8) (select |#length| (select (select |v_#memory_$Pointer$.base_687| |v_ULTIMATE.start_l4_insert_~list#1.base_24|) |v_ULTIMATE.start_l4_insert_~list#1.offset_21|))) (<= (+ 4 |v_ULTIMATE.start_l4_insert_~list#1.offset_21|) (select |#length| |v_ULTIMATE.start_l4_insert_~list#1.base_24|)) (= (store |v_#memory_int_642| (select (select |v_#memory_$Pointer$.base_687| |v_ULTIMATE.start_l4_insert_~list#1.base_24|) |v_ULTIMATE.start_l4_insert_~list#1.offset_21|) (store (select |v_#memory_int_642| (select (select |v_#memory_$Pointer$.base_687| |v_ULTIMATE.start_l4_insert_~list#1.base_24|) |v_ULTIMATE.start_l4_insert_~list#1.offset_21|)) (select (select |v_#memory_$Pointer$.offset_687| |v_ULTIMATE.start_l4_insert_~list#1.base_24|) |v_ULTIMATE.start_l4_insert_~list#1.offset_21|) (select (select |v_#memory_int_643| (select (select |v_#memory_$Pointer$.base_687| |v_ULTIMATE.start_l4_insert_~list#1.base_24|) |v_ULTIMATE.start_l4_insert_~list#1.offset_21|)) (select (select |v_#memory_$Pointer$.offset_687| |v_ULTIMATE.start_l4_insert_~list#1.base_24|) |v_ULTIMATE.start_l4_insert_~list#1.offset_21|)))) |v_#memory_int_643|) (= |#memory_$Pointer$.offset| (store (store |v_#memory_$Pointer$.offset_687| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l3_insert_~list#1.base_20|) |v_ULTIMATE.start_l3_insert_~list#1.offset_17|) (store (select |v_#memory_$Pointer$.offset_687| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l3_insert_~list#1.base_20|) |v_ULTIMATE.start_l3_insert_~list#1.offset_17|)) (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l3_insert_~list#1.base_20|) |v_ULTIMATE.start_l3_insert_~list#1.offset_17|) 4) (select (select |v_#memory_$Pointer$.offset_687| |v_ULTIMATE.start_l3_insert_~list#1.base_20|) |v_ULTIMATE.start_l3_insert_~list#1.offset_17|))) |v_ULTIMATE.start_l3_insert_~list#1.base_20| (store (select (store |v_#memory_$Pointer$.offset_687| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l3_insert_~list#1.base_20|) |v_ULTIMATE.start_l3_insert_~list#1.offset_17|) (store (select |v_#memory_$Pointer$.offset_687| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l3_insert_~list#1.base_20|) |v_ULTIMATE.start_l3_insert_~list#1.offset_17|)) (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l3_insert_~list#1.base_20|) |v_ULTIMATE.start_l3_insert_~list#1.offset_17|) 4) (select (select |v_#memory_$Pointer$.offset_687| |v_ULTIMATE.start_l3_insert_~list#1.base_20|) |v_ULTIMATE.start_l3_insert_~list#1.offset_17|))) |v_ULTIMATE.start_l3_insert_~list#1.base_20|) |v_ULTIMATE.start_l3_insert_~list#1.offset_17| (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l3_insert_~list#1.base_20|) |v_ULTIMATE.start_l3_insert_~list#1.offset_17|)))) (= (store (store |v_#memory_$Pointer$.offset_685| (select (select |v_#memory_$Pointer$.base_687| |v_ULTIMATE.start_l4_insert_~list#1.base_24|) |v_ULTIMATE.start_l4_insert_~list#1.offset_21|) (store (select |v_#memory_$Pointer$.offset_685| (select (select |v_#memory_$Pointer$.base_687| |v_ULTIMATE.start_l4_insert_~list#1.base_24|) |v_ULTIMATE.start_l4_insert_~list#1.offset_21|)) (select (select |v_#memory_$Pointer$.offset_687| |v_ULTIMATE.start_l4_insert_~list#1.base_24|) |v_ULTIMATE.start_l4_insert_~list#1.offset_21|) (select (select |v_#memory_$Pointer$.offset_685| |v_ULTIMATE.start_l4_insert_~list#1.base_24|) |v_ULTIMATE.start_l4_insert_~list#1.offset_21|))) |v_ULTIMATE.start_l4_insert_~list#1.base_24| (store (select (store |v_#memory_$Pointer$.offset_685| (select (select |v_#memory_$Pointer$.base_687| |v_ULTIMATE.start_l4_insert_~list#1.base_24|) |v_ULTIMATE.start_l4_insert_~list#1.offset_21|) (store (select |v_#memory_$Pointer$.offset_685| (select (select |v_#memory_$Pointer$.base_687| |v_ULTIMATE.start_l4_insert_~list#1.base_24|) |v_ULTIMATE.start_l4_insert_~list#1.offset_21|)) (select (select |v_#memory_$Pointer$.offset_687| |v_ULTIMATE.start_l4_insert_~list#1.base_24|) |v_ULTIMATE.start_l4_insert_~list#1.offset_21|) (select (select |v_#memory_$Pointer$.offset_685| |v_ULTIMATE.start_l4_insert_~list#1.base_24|) |v_ULTIMATE.start_l4_insert_~list#1.offset_21|))) |v_ULTIMATE.start_l4_insert_~list#1.base_24|) |v_ULTIMATE.start_l4_insert_~list#1.offset_21| (select (select |v_#memory_$Pointer$.offset_687| |v_ULTIMATE.start_l4_insert_~list#1.base_24|) |v_ULTIMATE.start_l4_insert_~list#1.offset_21|))) |v_#memory_$Pointer$.offset_687|) (<= 0 (select (select |v_#memory_$Pointer$.offset_687| |v_ULTIMATE.start_l4_insert_~list#1.base_24|) |v_ULTIMATE.start_l4_insert_~list#1.offset_21|)) (= (select |#valid| (select (select |v_#memory_$Pointer$.base_687| |v_ULTIMATE.start_l4_insert_~list#1.base_24|) |v_ULTIMATE.start_l4_insert_~list#1.offset_21|)) 1) (= |v_#memory_$Pointer$.base_687| (store (store |v_#memory_$Pointer$.base_685| (select (select |v_#memory_$Pointer$.base_687| |v_ULTIMATE.start_l4_insert_~list#1.base_24|) |v_ULTIMATE.start_l4_insert_~list#1.offset_21|) (store (select |v_#memory_$Pointer$.base_685| (select (select |v_#memory_$Pointer$.base_687| |v_ULTIMATE.start_l4_insert_~list#1.base_24|) |v_ULTIMATE.start_l4_insert_~list#1.offset_21|)) (select (select |v_#memory_$Pointer$.offset_687| |v_ULTIMATE.start_l4_insert_~list#1.base_24|) |v_ULTIMATE.start_l4_insert_~list#1.offset_21|) (select (select |v_#memory_$Pointer$.base_685| |v_ULTIMATE.start_l4_insert_~list#1.base_24|) |v_ULTIMATE.start_l4_insert_~list#1.offset_21|))) |v_ULTIMATE.start_l4_insert_~list#1.base_24| (store (select (store |v_#memory_$Pointer$.base_685| (select (select |v_#memory_$Pointer$.base_687| |v_ULTIMATE.start_l4_insert_~list#1.base_24|) |v_ULTIMATE.start_l4_insert_~list#1.offset_21|) (store (select |v_#memory_$Pointer$.base_685| (select (select |v_#memory_$Pointer$.base_687| |v_ULTIMATE.start_l4_insert_~list#1.base_24|) |v_ULTIMATE.start_l4_insert_~list#1.offset_21|)) (select (select |v_#memory_$Pointer$.offset_687| |v_ULTIMATE.start_l4_insert_~list#1.base_24|) |v_ULTIMATE.start_l4_insert_~list#1.offset_21|) (select (select |v_#memory_$Pointer$.base_685| |v_ULTIMATE.start_l4_insert_~list#1.base_24|) |v_ULTIMATE.start_l4_insert_~list#1.offset_21|))) |v_ULTIMATE.start_l4_insert_~list#1.base_24|) |v_ULTIMATE.start_l4_insert_~list#1.offset_21| (select (select |v_#memory_$Pointer$.base_687| |v_ULTIMATE.start_l4_insert_~list#1.base_24|) |v_ULTIMATE.start_l4_insert_~list#1.offset_21|)))) (<= 0 |v_ULTIMATE.start_l3_insert_~list#1.offset_17|) (= (select |#valid| |v_ULTIMATE.start_l4_insert_~list#1.base_24|) 1) (= (store |v_#memory_$Pointer$.base_684| (select (select |v_#memory_$Pointer$.base_687| |v_ULTIMATE.start_l4_insert_~list#1.base_24|) |v_ULTIMATE.start_l4_insert_~list#1.offset_21|) (store (select |v_#memory_$Pointer$.base_684| (select (select |v_#memory_$Pointer$.base_687| |v_ULTIMATE.start_l4_insert_~list#1.base_24|) |v_ULTIMATE.start_l4_insert_~list#1.offset_21|)) (+ (select (select |v_#memory_$Pointer$.offset_687| |v_ULTIMATE.start_l4_insert_~list#1.base_24|) |v_ULTIMATE.start_l4_insert_~list#1.offset_21|) 4) (select (select |v_#memory_$Pointer$.base_685| (select (select |v_#memory_$Pointer$.base_687| |v_ULTIMATE.start_l4_insert_~list#1.base_24|) |v_ULTIMATE.start_l4_insert_~list#1.offset_21|)) (+ (select (select |v_#memory_$Pointer$.offset_687| |v_ULTIMATE.start_l4_insert_~list#1.base_24|) |v_ULTIMATE.start_l4_insert_~list#1.offset_21|) 4)))) |v_#memory_$Pointer$.base_685|) (<= (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l3_insert_~list#1.base_20|) |v_ULTIMATE.start_l3_insert_~list#1.offset_17|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l3_insert_~list#1.base_20|) |v_ULTIMATE.start_l3_insert_~list#1.offset_17|))) (= |v_zalloc_or_die_#Ultimate.C_memset_#res#1.offset_251| 0) (= (store |v_#memory_int_641| (select (select |v_#memory_$Pointer$.base_687| |v_ULTIMATE.start_l4_insert_~list#1.base_24|) |v_ULTIMATE.start_l4_insert_~list#1.offset_21|) (store (select |v_#memory_int_641| (select (select |v_#memory_$Pointer$.base_687| |v_ULTIMATE.start_l4_insert_~list#1.base_24|) |v_ULTIMATE.start_l4_insert_~list#1.offset_21|)) (+ (select (select |v_#memory_$Pointer$.offset_687| |v_ULTIMATE.start_l4_insert_~list#1.base_24|) |v_ULTIMATE.start_l4_insert_~list#1.offset_21|) 4) (select (select |v_#memory_int_642| (select (select |v_#memory_$Pointer$.base_687| |v_ULTIMATE.start_l4_insert_~list#1.base_24|) |v_ULTIMATE.start_l4_insert_~list#1.offset_21|)) (+ (select (select |v_#memory_$Pointer$.offset_687| |v_ULTIMATE.start_l4_insert_~list#1.base_24|) |v_ULTIMATE.start_l4_insert_~list#1.offset_21|) 4)))) |v_#memory_int_642|) (= |#memory_int| (store |v_#memory_int_645| |v_ULTIMATE.start_l3_insert_~list#1.base_20| (store (select |v_#memory_int_645| |v_ULTIMATE.start_l3_insert_~list#1.base_20|) |v_ULTIMATE.start_l3_insert_~list#1.offset_17| (select (select |#memory_int| |v_ULTIMATE.start_l3_insert_~list#1.base_20|) |v_ULTIMATE.start_l3_insert_~list#1.offset_17|)))) (= 1 (select |#valid| |v_ULTIMATE.start_l3_insert_~list#1.base_20|)) (not (= 0 (select (select |v_#memory_$Pointer$.base_685| (select (select |v_#memory_$Pointer$.base_687| |v_ULTIMATE.start_l4_insert_~list#1.base_24|) |v_ULTIMATE.start_l4_insert_~list#1.offset_21|)) (+ (select (select |v_#memory_$Pointer$.offset_687| |v_ULTIMATE.start_l4_insert_~list#1.base_24|) |v_ULTIMATE.start_l4_insert_~list#1.offset_21|) 4)))) (<= (+ 4 |v_ULTIMATE.start_l3_insert_~list#1.offset_17|) (select |#length| |v_ULTIMATE.start_l3_insert_~list#1.base_20|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l3_insert_~list#1.base_20|) |v_ULTIMATE.start_l3_insert_~list#1.offset_17|)) 1))))' at error location [2024-11-14 02:51:25,457 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 02:51:25,457 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-14 02:51:25,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 52] total 74 [2024-11-14 02:51:25,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653233451] [2024-11-14 02:51:25,457 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-14 02:51:25,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2024-11-14 02:51:25,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:51:25,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2024-11-14 02:51:25,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=357, Invalid=9525, Unknown=30, NotChecked=594, Total=10506 [2024-11-14 02:51:25,460 INFO L87 Difference]: Start difference. First operand 305 states and 358 transitions. Second operand has 75 states, 67 states have (on average 1.8955223880597014) internal successors, (127), 69 states have internal predecessors, (127), 5 states have call successors, (9), 2 states have call predecessors, (9), 9 states have return successors, (10), 8 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-14 02:51:27,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-14 02:51:39,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:51:39,778 INFO L93 Difference]: Finished difference Result 433 states and 523 transitions. [2024-11-14 02:51:39,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-14 02:51:39,778 INFO L78 Accepts]: Start accepts. Automaton has has 75 states, 67 states have (on average 1.8955223880597014) internal successors, (127), 69 states have internal predecessors, (127), 5 states have call successors, (9), 2 states have call predecessors, (9), 9 states have return successors, (10), 8 states have call predecessors, (10), 5 states have call successors, (10) Word has length 119 [2024-11-14 02:51:39,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:51:39,781 INFO L225 Difference]: With dead ends: 433 [2024-11-14 02:51:39,781 INFO L226 Difference]: Without dead ends: 433 [2024-11-14 02:51:39,783 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 176 SyntacticMatches, 8 SemanticMatches, 122 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 4619 ImplicationChecksByTransitivity, 95.0s TimeCoverageRelationStatistics Valid=699, Invalid=13803, Unknown=30, NotChecked=720, Total=15252 [2024-11-14 02:51:39,783 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 448 mSDsluCounter, 1572 mSDsCounter, 0 mSdLazyCounter, 8513 mSolverCounterSat, 58 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 448 SdHoareTripleChecker+Valid, 1649 SdHoareTripleChecker+Invalid, 9665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 8513 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 1093 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2024-11-14 02:51:39,784 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [448 Valid, 1649 Invalid, 9665 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [58 Valid, 8513 Invalid, 1 Unknown, 1093 Unchecked, 10.7s Time] [2024-11-14 02:51:39,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2024-11-14 02:51:39,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 299. [2024-11-14 02:51:39,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 209 states have (on average 1.4736842105263157) internal successors, (308), 274 states have internal predecessors, (308), 19 states have call successors, (19), 5 states have call predecessors, (19), 5 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-14 02:51:39,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 346 transitions. [2024-11-14 02:51:39,797 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 346 transitions. Word has length 119 [2024-11-14 02:51:39,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:51:39,798 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 346 transitions. [2024-11-14 02:51:39,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 67 states have (on average 1.8955223880597014) internal successors, (127), 69 states have internal predecessors, (127), 5 states have call successors, (9), 2 states have call predecessors, (9), 9 states have return successors, (10), 8 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-14 02:51:39,798 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 346 transitions. [2024-11-14 02:51:39,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-14 02:51:39,800 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:51:39,800 INFO L215 NwaCegarLoop]: trace histogram [62, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:51:39,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-14 02:51:40,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:51:40,001 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr20REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 86 more)] === [2024-11-14 02:51:40,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:51:40,002 INFO L85 PathProgramCache]: Analyzing trace with hash 1647727269, now seen corresponding path program 1 times [2024-11-14 02:51:40,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:51:40,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629066149] [2024-11-14 02:51:40,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:51:40,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:51:40,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:51:42,022 INFO L134 CoverageAnalysis]: Checked inductivity of 2338 backedges. 1050 proven. 341 refuted. 0 times theorem prover too weak. 947 trivial. 0 not checked. [2024-11-14 02:51:42,022 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:51:42,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629066149] [2024-11-14 02:51:42,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629066149] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 02:51:42,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2012812556] [2024-11-14 02:51:42,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:51:42,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:51:42,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:51:42,024 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 02:51:42,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-14 02:51:42,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:51:42,834 INFO L255 TraceCheckSpWp]: Trace formula consists of 1553 conjuncts, 66 conjuncts are in the unsatisfiable core [2024-11-14 02:51:42,838 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:51:42,882 WARN L873 $PredicateComparison]: unable to prove that (exists ((|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (and (= |c_#valid| (store |c_old(#valid)| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| (select |c_#valid| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base|))) (= (select |c_old(#valid)| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base|) 0))) is different from true [2024-11-14 02:51:42,941 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-14 02:51:42,941 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-14 02:51:42,991 WARN L851 $PredicateComparison]: unable to prove that (or (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse0 (@diff |v_#valid_BEFORE_CALL_460| |c_#valid|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= .cse0 |c_ULTIMATE.start_l2_insert_#t~ret12#1.base|) (= (store |v_#valid_BEFORE_CALL_460| .cse0 (select |c_#valid| .cse0)) |c_#valid|)))) (= (select |c_#valid| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)) is different from false [2024-11-14 02:51:42,994 WARN L873 $PredicateComparison]: unable to prove that (or (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse0 (@diff |v_#valid_BEFORE_CALL_460| |c_#valid|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= .cse0 |c_ULTIMATE.start_l2_insert_#t~ret12#1.base|) (= (store |v_#valid_BEFORE_CALL_460| .cse0 (select |c_#valid| .cse0)) |c_#valid|)))) (= (select |c_#valid| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)) is different from true [2024-11-14 02:51:43,007 WARN L851 $PredicateComparison]: unable to prove that (or (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse0 (@diff |v_#valid_BEFORE_CALL_460| |c_#valid|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse0) (= (store |v_#valid_BEFORE_CALL_460| .cse0 (select |c_#valid| .cse0)) |c_#valid|)))) (= (select |c_#valid| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)) is different from false [2024-11-14 02:51:43,010 WARN L873 $PredicateComparison]: unable to prove that (or (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse0 (@diff |v_#valid_BEFORE_CALL_460| |c_#valid|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse0) (= (store |v_#valid_BEFORE_CALL_460| .cse0 (select |c_#valid| .cse0)) |c_#valid|)))) (= (select |c_#valid| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)) is different from true [2024-11-14 02:51:43,172 WARN L851 $PredicateComparison]: unable to prove that (or (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse0 (@diff |v_#valid_BEFORE_CALL_460| |c_#valid|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse0) (= (store |v_#valid_BEFORE_CALL_460| .cse0 (select |c_#valid| .cse0)) |c_#valid|)))) (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse2 (@diff |v_old(#valid)_AFTER_CALL_259| |c_#valid|))) (and (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse1 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_259|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_259| (store |v_#valid_BEFORE_CALL_460| .cse1 (select |v_old(#valid)_AFTER_CALL_259| .cse1))) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse1)))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_259| .cse2 (select |c_#valid| .cse2))) (= .cse2 |c_ULTIMATE.start_l3_insert_#t~ret9#1.base|)))) (= (select |c_#valid| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse3 (@diff |v_old(#valid)_AFTER_CALL_259| |c_#valid|))) (and (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_259| .cse3 (select |c_#valid| .cse3))) (= .cse3 |c_ULTIMATE.start_l3_insert_#t~ret9#1.base|) (= (select |v_old(#valid)_AFTER_CALL_259| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1))))) is different from false [2024-11-14 02:51:43,177 WARN L873 $PredicateComparison]: unable to prove that (or (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse0 (@diff |v_#valid_BEFORE_CALL_460| |c_#valid|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse0) (= (store |v_#valid_BEFORE_CALL_460| .cse0 (select |c_#valid| .cse0)) |c_#valid|)))) (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse2 (@diff |v_old(#valid)_AFTER_CALL_259| |c_#valid|))) (and (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse1 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_259|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_259| (store |v_#valid_BEFORE_CALL_460| .cse1 (select |v_old(#valid)_AFTER_CALL_259| .cse1))) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse1)))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_259| .cse2 (select |c_#valid| .cse2))) (= .cse2 |c_ULTIMATE.start_l3_insert_#t~ret9#1.base|)))) (= (select |c_#valid| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse3 (@diff |v_old(#valid)_AFTER_CALL_259| |c_#valid|))) (and (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_259| .cse3 (select |c_#valid| .cse3))) (= .cse3 |c_ULTIMATE.start_l3_insert_#t~ret9#1.base|) (= (select |v_old(#valid)_AFTER_CALL_259| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1))))) is different from true [2024-11-14 02:51:43,229 WARN L851 $PredicateComparison]: unable to prove that (or (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse0 (@diff |v_#valid_BEFORE_CALL_460| |c_#valid|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse0) (= (store |v_#valid_BEFORE_CALL_460| .cse0 (select |c_#valid| .cse0)) |c_#valid|)))) (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse1 (@diff |v_old(#valid)_AFTER_CALL_259| |c_#valid|))) (and (= .cse1 |c_ULTIMATE.start_l3_insert_~item~1#1.base|) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_259| .cse1 (select |c_#valid| .cse1))) (= (select |v_old(#valid)_AFTER_CALL_259| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)))) (= (select |c_#valid| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse2 (@diff |v_old(#valid)_AFTER_CALL_259| |c_#valid|))) (and (= .cse2 |c_ULTIMATE.start_l3_insert_~item~1#1.base|) (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse3 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_259|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_259| (store |v_#valid_BEFORE_CALL_460| .cse3 (select |v_old(#valid)_AFTER_CALL_259| .cse3))) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse3)))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_259| .cse2 (select |c_#valid| .cse2))))))) is different from false [2024-11-14 02:51:43,234 WARN L873 $PredicateComparison]: unable to prove that (or (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse0 (@diff |v_#valid_BEFORE_CALL_460| |c_#valid|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse0) (= (store |v_#valid_BEFORE_CALL_460| .cse0 (select |c_#valid| .cse0)) |c_#valid|)))) (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse1 (@diff |v_old(#valid)_AFTER_CALL_259| |c_#valid|))) (and (= .cse1 |c_ULTIMATE.start_l3_insert_~item~1#1.base|) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_259| .cse1 (select |c_#valid| .cse1))) (= (select |v_old(#valid)_AFTER_CALL_259| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)))) (= (select |c_#valid| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse2 (@diff |v_old(#valid)_AFTER_CALL_259| |c_#valid|))) (and (= .cse2 |c_ULTIMATE.start_l3_insert_~item~1#1.base|) (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse3 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_259|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_259| (store |v_#valid_BEFORE_CALL_460| .cse3 (select |v_old(#valid)_AFTER_CALL_259| .cse3))) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse3)))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_259| .cse2 (select |c_#valid| .cse2))))))) is different from true [2024-11-14 02:51:45,459 WARN L851 $PredicateComparison]: unable to prove that (or (exists ((|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse0 (@diff |v_old(#valid)_AFTER_CALL_260| |c_#valid|))) (and (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_260| .cse0 (select |c_#valid| .cse0))) (= .cse0 |c_ULTIMATE.start_l4_insert_#t~ret6#1.base|) (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse2 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_260|))) (and (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse1 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_259|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_259| (store |v_#valid_BEFORE_CALL_460| .cse1 (select |v_old(#valid)_AFTER_CALL_259| .cse1))) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse1)))) (= (store |v_old(#valid)_AFTER_CALL_259| .cse2 (select |v_old(#valid)_AFTER_CALL_260| .cse2)) |v_old(#valid)_AFTER_CALL_260|) (= .cse2 |c_ULTIMATE.start_l3_insert_~item~1#1.base|))))))) (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse3 (@diff |v_#valid_BEFORE_CALL_460| |c_#valid|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse3) (= (store |v_#valid_BEFORE_CALL_460| .cse3 (select |c_#valid| .cse3)) |c_#valid|)))) (exists ((|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse5 (@diff |v_old(#valid)_AFTER_CALL_260| |c_#valid|))) (and (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse4 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_260|))) (and (= (store |v_old(#valid)_AFTER_CALL_259| .cse4 (select |v_old(#valid)_AFTER_CALL_260| .cse4)) |v_old(#valid)_AFTER_CALL_260|) (= .cse4 |c_ULTIMATE.start_l3_insert_~item~1#1.base|) (= (select |v_old(#valid)_AFTER_CALL_259| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_260| .cse5 (select |c_#valid| .cse5))) (= .cse5 |c_ULTIMATE.start_l4_insert_#t~ret6#1.base|)))) (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse6 (@diff |v_old(#valid)_AFTER_CALL_259| |c_#valid|))) (and (= .cse6 |c_ULTIMATE.start_l3_insert_~item~1#1.base|) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_259| .cse6 (select |c_#valid| .cse6))) (= (select |v_old(#valid)_AFTER_CALL_259| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)))) (exists ((|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse8 (@diff |v_old(#valid)_AFTER_CALL_260| |c_#valid|))) (and (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse7 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_260|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse7) (= |v_old(#valid)_AFTER_CALL_260| (store |v_#valid_BEFORE_CALL_460| .cse7 (select |v_old(#valid)_AFTER_CALL_260| .cse7)))))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_260| .cse8 (select |c_#valid| .cse8))) (= .cse8 |c_ULTIMATE.start_l4_insert_#t~ret6#1.base|)))) (= (select |c_#valid| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (exists ((|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse9 (@diff |v_old(#valid)_AFTER_CALL_260| |c_#valid|))) (and (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_260| .cse9 (select |c_#valid| .cse9))) (= .cse9 |c_ULTIMATE.start_l4_insert_#t~ret6#1.base|) (= (select |v_old(#valid)_AFTER_CALL_260| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)))) (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse10 (@diff |v_old(#valid)_AFTER_CALL_259| |c_#valid|))) (and (= .cse10 |c_ULTIMATE.start_l3_insert_~item~1#1.base|) (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse11 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_259|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_259| (store |v_#valid_BEFORE_CALL_460| .cse11 (select |v_old(#valid)_AFTER_CALL_259| .cse11))) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse11)))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_259| .cse10 (select |c_#valid| .cse10))))))) is different from false [2024-11-14 02:51:45,473 WARN L873 $PredicateComparison]: unable to prove that (or (exists ((|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse0 (@diff |v_old(#valid)_AFTER_CALL_260| |c_#valid|))) (and (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_260| .cse0 (select |c_#valid| .cse0))) (= .cse0 |c_ULTIMATE.start_l4_insert_#t~ret6#1.base|) (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse2 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_260|))) (and (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse1 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_259|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_259| (store |v_#valid_BEFORE_CALL_460| .cse1 (select |v_old(#valid)_AFTER_CALL_259| .cse1))) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse1)))) (= (store |v_old(#valid)_AFTER_CALL_259| .cse2 (select |v_old(#valid)_AFTER_CALL_260| .cse2)) |v_old(#valid)_AFTER_CALL_260|) (= .cse2 |c_ULTIMATE.start_l3_insert_~item~1#1.base|))))))) (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse3 (@diff |v_#valid_BEFORE_CALL_460| |c_#valid|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse3) (= (store |v_#valid_BEFORE_CALL_460| .cse3 (select |c_#valid| .cse3)) |c_#valid|)))) (exists ((|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse5 (@diff |v_old(#valid)_AFTER_CALL_260| |c_#valid|))) (and (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse4 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_260|))) (and (= (store |v_old(#valid)_AFTER_CALL_259| .cse4 (select |v_old(#valid)_AFTER_CALL_260| .cse4)) |v_old(#valid)_AFTER_CALL_260|) (= .cse4 |c_ULTIMATE.start_l3_insert_~item~1#1.base|) (= (select |v_old(#valid)_AFTER_CALL_259| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_260| .cse5 (select |c_#valid| .cse5))) (= .cse5 |c_ULTIMATE.start_l4_insert_#t~ret6#1.base|)))) (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse6 (@diff |v_old(#valid)_AFTER_CALL_259| |c_#valid|))) (and (= .cse6 |c_ULTIMATE.start_l3_insert_~item~1#1.base|) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_259| .cse6 (select |c_#valid| .cse6))) (= (select |v_old(#valid)_AFTER_CALL_259| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)))) (exists ((|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse8 (@diff |v_old(#valid)_AFTER_CALL_260| |c_#valid|))) (and (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse7 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_260|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse7) (= |v_old(#valid)_AFTER_CALL_260| (store |v_#valid_BEFORE_CALL_460| .cse7 (select |v_old(#valid)_AFTER_CALL_260| .cse7)))))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_260| .cse8 (select |c_#valid| .cse8))) (= .cse8 |c_ULTIMATE.start_l4_insert_#t~ret6#1.base|)))) (= (select |c_#valid| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (exists ((|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse9 (@diff |v_old(#valid)_AFTER_CALL_260| |c_#valid|))) (and (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_260| .cse9 (select |c_#valid| .cse9))) (= .cse9 |c_ULTIMATE.start_l4_insert_#t~ret6#1.base|) (= (select |v_old(#valid)_AFTER_CALL_260| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)))) (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse10 (@diff |v_old(#valid)_AFTER_CALL_259| |c_#valid|))) (and (= .cse10 |c_ULTIMATE.start_l3_insert_~item~1#1.base|) (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse11 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_259|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_259| (store |v_#valid_BEFORE_CALL_460| .cse11 (select |v_old(#valid)_AFTER_CALL_259| .cse11))) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse11)))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_259| .cse10 (select |c_#valid| .cse10))))))) is different from true [2024-11-14 02:51:47,604 WARN L851 $PredicateComparison]: unable to prove that (or (exists ((|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse0 (@diff |v_old(#valid)_AFTER_CALL_260| |c_#valid|))) (and (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_260| .cse0 (select |c_#valid| .cse0))) (= |c_ULTIMATE.start_l4_insert_~item~0#1.base| .cse0) (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse2 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_260|))) (and (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse1 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_259|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_259| (store |v_#valid_BEFORE_CALL_460| .cse1 (select |v_old(#valid)_AFTER_CALL_259| .cse1))) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse1)))) (= (store |v_old(#valid)_AFTER_CALL_259| .cse2 (select |v_old(#valid)_AFTER_CALL_260| .cse2)) |v_old(#valid)_AFTER_CALL_260|) (= .cse2 |c_ULTIMATE.start_l3_insert_~item~1#1.base|))))))) (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse3 (@diff |v_#valid_BEFORE_CALL_460| |c_#valid|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse3) (= (store |v_#valid_BEFORE_CALL_460| .cse3 (select |c_#valid| .cse3)) |c_#valid|)))) (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse4 (@diff |v_old(#valid)_AFTER_CALL_259| |c_#valid|))) (and (= .cse4 |c_ULTIMATE.start_l3_insert_~item~1#1.base|) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_259| .cse4 (select |c_#valid| .cse4))) (= (select |v_old(#valid)_AFTER_CALL_259| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)))) (exists ((|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse6 (@diff |v_old(#valid)_AFTER_CALL_260| |c_#valid|))) (and (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse5 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_260|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse5) (= |v_old(#valid)_AFTER_CALL_260| (store |v_#valid_BEFORE_CALL_460| .cse5 (select |v_old(#valid)_AFTER_CALL_260| .cse5)))))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_260| .cse6 (select |c_#valid| .cse6))) (= |c_ULTIMATE.start_l4_insert_~item~0#1.base| .cse6)))) (= (select |c_#valid| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (exists ((|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse8 (@diff |v_old(#valid)_AFTER_CALL_260| |c_#valid|))) (and (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse7 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_260|))) (and (= (store |v_old(#valid)_AFTER_CALL_259| .cse7 (select |v_old(#valid)_AFTER_CALL_260| .cse7)) |v_old(#valid)_AFTER_CALL_260|) (= .cse7 |c_ULTIMATE.start_l3_insert_~item~1#1.base|) (= (select |v_old(#valid)_AFTER_CALL_259| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_260| .cse8 (select |c_#valid| .cse8))) (= |c_ULTIMATE.start_l4_insert_~item~0#1.base| .cse8)))) (exists ((|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse9 (@diff |v_old(#valid)_AFTER_CALL_260| |c_#valid|))) (and (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_260| .cse9 (select |c_#valid| .cse9))) (= (select |v_old(#valid)_AFTER_CALL_260| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |c_ULTIMATE.start_l4_insert_~item~0#1.base| .cse9)))) (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse10 (@diff |v_old(#valid)_AFTER_CALL_259| |c_#valid|))) (and (= .cse10 |c_ULTIMATE.start_l3_insert_~item~1#1.base|) (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse11 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_259|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_259| (store |v_#valid_BEFORE_CALL_460| .cse11 (select |v_old(#valid)_AFTER_CALL_259| .cse11))) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse11)))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_259| .cse10 (select |c_#valid| .cse10))))))) is different from false [2024-11-14 02:51:47,619 WARN L873 $PredicateComparison]: unable to prove that (or (exists ((|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse0 (@diff |v_old(#valid)_AFTER_CALL_260| |c_#valid|))) (and (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_260| .cse0 (select |c_#valid| .cse0))) (= |c_ULTIMATE.start_l4_insert_~item~0#1.base| .cse0) (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse2 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_260|))) (and (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse1 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_259|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_259| (store |v_#valid_BEFORE_CALL_460| .cse1 (select |v_old(#valid)_AFTER_CALL_259| .cse1))) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse1)))) (= (store |v_old(#valid)_AFTER_CALL_259| .cse2 (select |v_old(#valid)_AFTER_CALL_260| .cse2)) |v_old(#valid)_AFTER_CALL_260|) (= .cse2 |c_ULTIMATE.start_l3_insert_~item~1#1.base|))))))) (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse3 (@diff |v_#valid_BEFORE_CALL_460| |c_#valid|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse3) (= (store |v_#valid_BEFORE_CALL_460| .cse3 (select |c_#valid| .cse3)) |c_#valid|)))) (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse4 (@diff |v_old(#valid)_AFTER_CALL_259| |c_#valid|))) (and (= .cse4 |c_ULTIMATE.start_l3_insert_~item~1#1.base|) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_259| .cse4 (select |c_#valid| .cse4))) (= (select |v_old(#valid)_AFTER_CALL_259| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)))) (exists ((|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse6 (@diff |v_old(#valid)_AFTER_CALL_260| |c_#valid|))) (and (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse5 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_260|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse5) (= |v_old(#valid)_AFTER_CALL_260| (store |v_#valid_BEFORE_CALL_460| .cse5 (select |v_old(#valid)_AFTER_CALL_260| .cse5)))))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_260| .cse6 (select |c_#valid| .cse6))) (= |c_ULTIMATE.start_l4_insert_~item~0#1.base| .cse6)))) (= (select |c_#valid| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (exists ((|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse8 (@diff |v_old(#valid)_AFTER_CALL_260| |c_#valid|))) (and (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse7 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_260|))) (and (= (store |v_old(#valid)_AFTER_CALL_259| .cse7 (select |v_old(#valid)_AFTER_CALL_260| .cse7)) |v_old(#valid)_AFTER_CALL_260|) (= .cse7 |c_ULTIMATE.start_l3_insert_~item~1#1.base|) (= (select |v_old(#valid)_AFTER_CALL_259| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_260| .cse8 (select |c_#valid| .cse8))) (= |c_ULTIMATE.start_l4_insert_~item~0#1.base| .cse8)))) (exists ((|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse9 (@diff |v_old(#valid)_AFTER_CALL_260| |c_#valid|))) (and (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_260| .cse9 (select |c_#valid| .cse9))) (= (select |v_old(#valid)_AFTER_CALL_260| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |c_ULTIMATE.start_l4_insert_~item~0#1.base| .cse9)))) (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse10 (@diff |v_old(#valid)_AFTER_CALL_259| |c_#valid|))) (and (= .cse10 |c_ULTIMATE.start_l3_insert_~item~1#1.base|) (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse11 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_259|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_259| (store |v_#valid_BEFORE_CALL_460| .cse11 (select |v_old(#valid)_AFTER_CALL_259| .cse11))) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse11)))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_259| .cse10 (select |c_#valid| .cse10))))))) is different from true [2024-11-14 02:51:47,696 WARN L873 $PredicateComparison]: unable to prove that (exists ((|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (= (store |c_old(#valid)| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1) |c_#valid|)) is different from true [2024-11-14 02:51:47,857 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2024-11-14 02:51:47,857 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2024-11-14 02:51:50,014 WARN L851 $PredicateComparison]: unable to prove that (or (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (and (exists ((|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse0 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|))) (and (= |c_ULTIMATE.start_l4_insert_~item~0#1.base| .cse0) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse0 (select |v_old(#valid)_AFTER_CALL_261| .cse0))) (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse2 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_260|))) (and (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse1 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_259|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_259| (store |v_#valid_BEFORE_CALL_460| .cse1 (select |v_old(#valid)_AFTER_CALL_259| .cse1))) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse1)))) (= (store |v_old(#valid)_AFTER_CALL_259| .cse2 (select |v_old(#valid)_AFTER_CALL_260| .cse2)) |v_old(#valid)_AFTER_CALL_260|) (= .cse2 |c_ULTIMATE.start_l3_insert_~item~1#1.base|))))))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)))) (and (exists ((|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (= (select |c_#valid| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base|) 1)) (= (select |c_#valid| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)) (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (and (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse3 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_261|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_#valid_BEFORE_CALL_460| .cse3 (select |v_old(#valid)_AFTER_CALL_261| .cse3))) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse3)))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)))) (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (and (exists ((|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse5 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|))) (and (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse4 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_260|))) (and (= (store |v_old(#valid)_AFTER_CALL_259| .cse4 (select |v_old(#valid)_AFTER_CALL_260| .cse4)) |v_old(#valid)_AFTER_CALL_260|) (= .cse4 |c_ULTIMATE.start_l3_insert_~item~1#1.base|) (= (select |v_old(#valid)_AFTER_CALL_259| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)))) (= |c_ULTIMATE.start_l4_insert_~item~0#1.base| .cse5) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse5 (select |v_old(#valid)_AFTER_CALL_261| .cse5)))))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)))) (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (and (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse6 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_261|))) (and (= .cse6 |c_ULTIMATE.start_l3_insert_~item~1#1.base|) (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse7 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_259|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_259| (store |v_#valid_BEFORE_CALL_460| .cse7 (select |v_old(#valid)_AFTER_CALL_259| .cse7))) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse7)))) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_259| .cse6 (select |v_old(#valid)_AFTER_CALL_261| .cse6)))))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)))) (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (and (exists ((|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse9 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|))) (and (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse8 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_260|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse8) (= |v_old(#valid)_AFTER_CALL_260| (store |v_#valid_BEFORE_CALL_460| .cse8 (select |v_old(#valid)_AFTER_CALL_260| .cse8)))))) (= |c_ULTIMATE.start_l4_insert_~item~0#1.base| .cse9) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse9 (select |v_old(#valid)_AFTER_CALL_261| .cse9)))))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)))) (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (and (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse10 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_261|))) (and (= .cse10 |c_ULTIMATE.start_l3_insert_~item~1#1.base|) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_259| .cse10 (select |v_old(#valid)_AFTER_CALL_261| .cse10))) (= (select |v_old(#valid)_AFTER_CALL_259| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)))))) (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (and (exists ((|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse11 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|))) (and (= (select |v_old(#valid)_AFTER_CALL_260| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |c_ULTIMATE.start_l4_insert_~item~0#1.base| .cse11) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse11 (select |v_old(#valid)_AFTER_CALL_261| .cse11)))))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1))))) is different from false [2024-11-14 02:51:50,025 WARN L873 $PredicateComparison]: unable to prove that (or (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (and (exists ((|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse0 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|))) (and (= |c_ULTIMATE.start_l4_insert_~item~0#1.base| .cse0) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse0 (select |v_old(#valid)_AFTER_CALL_261| .cse0))) (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse2 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_260|))) (and (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse1 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_259|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_259| (store |v_#valid_BEFORE_CALL_460| .cse1 (select |v_old(#valid)_AFTER_CALL_259| .cse1))) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse1)))) (= (store |v_old(#valid)_AFTER_CALL_259| .cse2 (select |v_old(#valid)_AFTER_CALL_260| .cse2)) |v_old(#valid)_AFTER_CALL_260|) (= .cse2 |c_ULTIMATE.start_l3_insert_~item~1#1.base|))))))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)))) (and (exists ((|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (= (select |c_#valid| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base|) 1)) (= (select |c_#valid| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)) (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (and (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse3 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_261|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_#valid_BEFORE_CALL_460| .cse3 (select |v_old(#valid)_AFTER_CALL_261| .cse3))) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse3)))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)))) (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (and (exists ((|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse5 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|))) (and (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse4 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_260|))) (and (= (store |v_old(#valid)_AFTER_CALL_259| .cse4 (select |v_old(#valid)_AFTER_CALL_260| .cse4)) |v_old(#valid)_AFTER_CALL_260|) (= .cse4 |c_ULTIMATE.start_l3_insert_~item~1#1.base|) (= (select |v_old(#valid)_AFTER_CALL_259| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)))) (= |c_ULTIMATE.start_l4_insert_~item~0#1.base| .cse5) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse5 (select |v_old(#valid)_AFTER_CALL_261| .cse5)))))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)))) (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (and (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse6 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_261|))) (and (= .cse6 |c_ULTIMATE.start_l3_insert_~item~1#1.base|) (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse7 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_259|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_259| (store |v_#valid_BEFORE_CALL_460| .cse7 (select |v_old(#valid)_AFTER_CALL_259| .cse7))) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse7)))) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_259| .cse6 (select |v_old(#valid)_AFTER_CALL_261| .cse6)))))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)))) (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (and (exists ((|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse9 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|))) (and (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse8 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_260|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse8) (= |v_old(#valid)_AFTER_CALL_260| (store |v_#valid_BEFORE_CALL_460| .cse8 (select |v_old(#valid)_AFTER_CALL_260| .cse8)))))) (= |c_ULTIMATE.start_l4_insert_~item~0#1.base| .cse9) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse9 (select |v_old(#valid)_AFTER_CALL_261| .cse9)))))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)))) (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (and (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse10 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_261|))) (and (= .cse10 |c_ULTIMATE.start_l3_insert_~item~1#1.base|) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_259| .cse10 (select |v_old(#valid)_AFTER_CALL_261| .cse10))) (= (select |v_old(#valid)_AFTER_CALL_259| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)))))) (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (and (exists ((|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse11 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|))) (and (= (select |v_old(#valid)_AFTER_CALL_260| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |c_ULTIMATE.start_l4_insert_~item~0#1.base| .cse11) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse11 (select |v_old(#valid)_AFTER_CALL_261| .cse11)))))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1))))) is different from true [2024-11-14 02:51:52,223 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (exists ((|ULTIMATE.start_l4_insert_~item~0#1.base| Int)) (= (select |c_#valid| |ULTIMATE.start_l4_insert_~item~0#1.base|) 1)))) (or (and .cse0 (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_259| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse1 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_261|)) (.cse2 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_259|))) (and (= .cse1 |c_ULTIMATE.start_l3_insert_~item~1#1.base|) (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_259| .cse1 (select |v_old(#valid)_AFTER_CALL_261| .cse1))) (= |v_old(#valid)_AFTER_CALL_259| (store |v_#valid_BEFORE_CALL_460| .cse2 (select |v_old(#valid)_AFTER_CALL_259| .cse2))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse2))))) (and .cse0 (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_259| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (let ((.cse3 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_261|))) (and (= .cse3 |c_ULTIMATE.start_l3_insert_~item~1#1.base|) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_259| .cse3 (select |v_old(#valid)_AFTER_CALL_261| .cse3))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= (select |v_old(#valid)_AFTER_CALL_259| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1))))) (and .cse0 (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse4 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_261|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_#valid_BEFORE_CALL_460| .cse4 (select |v_old(#valid)_AFTER_CALL_261| .cse4))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse4))))) (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_#valid_BEFORE_CALL_460| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse5 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|)) (.cse6 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_260|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= (select |c_#valid| .cse5) 1) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse6) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse5 (select |v_old(#valid)_AFTER_CALL_261| .cse5))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= |v_old(#valid)_AFTER_CALL_260| (store |v_#valid_BEFORE_CALL_460| .cse6 (select |v_old(#valid)_AFTER_CALL_260| .cse6)))))) (and (exists ((|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (= (select |c_#valid| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base|) 1)) .cse0 (= (select |c_#valid| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)) (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_259| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_#valid_BEFORE_CALL_460| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse8 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|)) (.cse9 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_259|)) (.cse7 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_260|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= (store |v_old(#valid)_AFTER_CALL_259| .cse7 (select |v_old(#valid)_AFTER_CALL_260| .cse7)) |v_old(#valid)_AFTER_CALL_260|) (= (select |c_#valid| .cse8) 1) (= |v_old(#valid)_AFTER_CALL_259| (store |v_#valid_BEFORE_CALL_460| .cse9 (select |v_old(#valid)_AFTER_CALL_259| .cse9))) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse8 (select |v_old(#valid)_AFTER_CALL_261| .cse8))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse9) (= .cse7 |c_ULTIMATE.start_l3_insert_~item~1#1.base|)))) (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_259| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse11 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|)) (.cse10 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_260|))) (and (= (store |v_old(#valid)_AFTER_CALL_259| .cse10 (select |v_old(#valid)_AFTER_CALL_260| .cse10)) |v_old(#valid)_AFTER_CALL_260|) (= (select |c_#valid| .cse11) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse11 (select |v_old(#valid)_AFTER_CALL_261| .cse11))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= .cse10 |c_ULTIMATE.start_l3_insert_~item~1#1.base|) (= (select |v_old(#valid)_AFTER_CALL_259| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)))) (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse12 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|))) (and (= (select |c_#valid| .cse12) 1) (= (select |v_old(#valid)_AFTER_CALL_260| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse12 (select |v_old(#valid)_AFTER_CALL_261| .cse12))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1))))))) is different from false [2024-11-14 02:51:52,233 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 (exists ((|ULTIMATE.start_l4_insert_~item~0#1.base| Int)) (= (select |c_#valid| |ULTIMATE.start_l4_insert_~item~0#1.base|) 1)))) (or (and .cse0 (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_259| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse1 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_261|)) (.cse2 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_259|))) (and (= .cse1 |c_ULTIMATE.start_l3_insert_~item~1#1.base|) (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_259| .cse1 (select |v_old(#valid)_AFTER_CALL_261| .cse1))) (= |v_old(#valid)_AFTER_CALL_259| (store |v_#valid_BEFORE_CALL_460| .cse2 (select |v_old(#valid)_AFTER_CALL_259| .cse2))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse2))))) (and .cse0 (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_259| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (let ((.cse3 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_261|))) (and (= .cse3 |c_ULTIMATE.start_l3_insert_~item~1#1.base|) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_259| .cse3 (select |v_old(#valid)_AFTER_CALL_261| .cse3))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= (select |v_old(#valid)_AFTER_CALL_259| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1))))) (and .cse0 (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse4 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_261|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_#valid_BEFORE_CALL_460| .cse4 (select |v_old(#valid)_AFTER_CALL_261| .cse4))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse4))))) (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_#valid_BEFORE_CALL_460| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse5 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|)) (.cse6 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_260|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= (select |c_#valid| .cse5) 1) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse6) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse5 (select |v_old(#valid)_AFTER_CALL_261| .cse5))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= |v_old(#valid)_AFTER_CALL_260| (store |v_#valid_BEFORE_CALL_460| .cse6 (select |v_old(#valid)_AFTER_CALL_260| .cse6)))))) (and (exists ((|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (= (select |c_#valid| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base|) 1)) .cse0 (= (select |c_#valid| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)) (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_259| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_#valid_BEFORE_CALL_460| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse8 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|)) (.cse9 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_259|)) (.cse7 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_260|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= (store |v_old(#valid)_AFTER_CALL_259| .cse7 (select |v_old(#valid)_AFTER_CALL_260| .cse7)) |v_old(#valid)_AFTER_CALL_260|) (= (select |c_#valid| .cse8) 1) (= |v_old(#valid)_AFTER_CALL_259| (store |v_#valid_BEFORE_CALL_460| .cse9 (select |v_old(#valid)_AFTER_CALL_259| .cse9))) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse8 (select |v_old(#valid)_AFTER_CALL_261| .cse8))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse9) (= .cse7 |c_ULTIMATE.start_l3_insert_~item~1#1.base|)))) (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_259| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse11 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|)) (.cse10 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_260|))) (and (= (store |v_old(#valid)_AFTER_CALL_259| .cse10 (select |v_old(#valid)_AFTER_CALL_260| .cse10)) |v_old(#valid)_AFTER_CALL_260|) (= (select |c_#valid| .cse11) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse11 (select |v_old(#valid)_AFTER_CALL_261| .cse11))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= .cse10 |c_ULTIMATE.start_l3_insert_~item~1#1.base|) (= (select |v_old(#valid)_AFTER_CALL_259| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)))) (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse12 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|))) (and (= (select |c_#valid| .cse12) 1) (= (select |v_old(#valid)_AFTER_CALL_260| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse12 (select |v_old(#valid)_AFTER_CALL_261| .cse12))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1))))))) is different from true [2024-11-14 02:51:55,410 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 (exists ((|ULTIMATE.start_l4_insert_~item~0#1.base| Int)) (= (select |c_#valid| |ULTIMATE.start_l4_insert_~item~0#1.base|) 1))) (.cse2 (exists ((|ULTIMATE.start_l3_insert_~item~1#1.base| Int)) (= (select |c_#valid| |ULTIMATE.start_l3_insert_~item~1#1.base|) 1)))) (or (and (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_old(#valid)_AFTER_CALL_260| (Array Int Int)) (|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse0 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|)) (.cse1 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_260|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= (select |c_#valid| .cse0) 1) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse0 (select |v_old(#valid)_AFTER_CALL_261| .cse0))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= |v_old(#valid)_AFTER_CALL_260| (store |v_#valid_BEFORE_CALL_460| .cse1 (select |v_old(#valid)_AFTER_CALL_260| .cse1)))))) .cse2) (and .cse3 (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_259| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse5 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_259|)) (.cse4 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_261|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_259| .cse4 (select |v_old(#valid)_AFTER_CALL_261| .cse4))) (= |v_old(#valid)_AFTER_CALL_259| (store |v_#valid_BEFORE_CALL_460| .cse5 (select |v_old(#valid)_AFTER_CALL_259| .cse5))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse5) (= 1 (select |c_#valid| .cse4)))))) (and (exists ((|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (= (select |c_#valid| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base|) 1)) .cse3 .cse2 (= (select |c_#valid| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)) (and (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_259| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (let ((.cse6 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_261|))) (and (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_259| .cse6 (select |v_old(#valid)_AFTER_CALL_261| .cse6))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= 1 (select |c_#valid| .cse6)) (= (select |v_old(#valid)_AFTER_CALL_259| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)))) .cse3) (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_259| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_#valid_BEFORE_CALL_460| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse8 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|)) (.cse9 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_259|)) (.cse7 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_260|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= (store |v_old(#valid)_AFTER_CALL_259| .cse7 (select |v_old(#valid)_AFTER_CALL_260| .cse7)) |v_old(#valid)_AFTER_CALL_260|) (= (select |c_#valid| .cse8) 1) (= |v_old(#valid)_AFTER_CALL_259| (store |v_#valid_BEFORE_CALL_460| .cse9 (select |v_old(#valid)_AFTER_CALL_259| .cse9))) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse8 (select |v_old(#valid)_AFTER_CALL_261| .cse8))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse9) (= (select |c_#valid| .cse7) 1)))) (and .cse2 (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse10 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|))) (and (= (select |c_#valid| .cse10) 1) (= (select |v_old(#valid)_AFTER_CALL_260| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse10 (select |v_old(#valid)_AFTER_CALL_261| .cse10))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)))))) (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_259| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse12 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|)) (.cse11 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_260|))) (and (= (store |v_old(#valid)_AFTER_CALL_259| .cse11 (select |v_old(#valid)_AFTER_CALL_260| .cse11)) |v_old(#valid)_AFTER_CALL_260|) (= (select |c_#valid| .cse12) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse12 (select |v_old(#valid)_AFTER_CALL_261| .cse12))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= (select |c_#valid| .cse11) 1) (= (select |v_old(#valid)_AFTER_CALL_259| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)))) (and .cse3 (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse13 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_261|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_#valid_BEFORE_CALL_460| .cse13 (select |v_old(#valid)_AFTER_CALL_261| .cse13))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse13)))) .cse2))) is different from false [2024-11-14 02:51:55,421 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse3 (exists ((|ULTIMATE.start_l4_insert_~item~0#1.base| Int)) (= (select |c_#valid| |ULTIMATE.start_l4_insert_~item~0#1.base|) 1))) (.cse2 (exists ((|ULTIMATE.start_l3_insert_~item~1#1.base| Int)) (= (select |c_#valid| |ULTIMATE.start_l3_insert_~item~1#1.base|) 1)))) (or (and (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_old(#valid)_AFTER_CALL_260| (Array Int Int)) (|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse0 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|)) (.cse1 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_260|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= (select |c_#valid| .cse0) 1) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse0 (select |v_old(#valid)_AFTER_CALL_261| .cse0))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= |v_old(#valid)_AFTER_CALL_260| (store |v_#valid_BEFORE_CALL_460| .cse1 (select |v_old(#valid)_AFTER_CALL_260| .cse1)))))) .cse2) (and .cse3 (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_259| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse5 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_259|)) (.cse4 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_261|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_259| .cse4 (select |v_old(#valid)_AFTER_CALL_261| .cse4))) (= |v_old(#valid)_AFTER_CALL_259| (store |v_#valid_BEFORE_CALL_460| .cse5 (select |v_old(#valid)_AFTER_CALL_259| .cse5))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse5) (= 1 (select |c_#valid| .cse4)))))) (and (exists ((|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (= (select |c_#valid| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base|) 1)) .cse3 .cse2 (= (select |c_#valid| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)) (and (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_259| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (let ((.cse6 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_261|))) (and (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_259| .cse6 (select |v_old(#valid)_AFTER_CALL_261| .cse6))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= 1 (select |c_#valid| .cse6)) (= (select |v_old(#valid)_AFTER_CALL_259| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)))) .cse3) (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_259| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_#valid_BEFORE_CALL_460| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse8 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|)) (.cse9 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_259|)) (.cse7 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_260|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= (store |v_old(#valid)_AFTER_CALL_259| .cse7 (select |v_old(#valid)_AFTER_CALL_260| .cse7)) |v_old(#valid)_AFTER_CALL_260|) (= (select |c_#valid| .cse8) 1) (= |v_old(#valid)_AFTER_CALL_259| (store |v_#valid_BEFORE_CALL_460| .cse9 (select |v_old(#valid)_AFTER_CALL_259| .cse9))) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse8 (select |v_old(#valid)_AFTER_CALL_261| .cse8))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse9) (= (select |c_#valid| .cse7) 1)))) (and .cse2 (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse10 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|))) (and (= (select |c_#valid| .cse10) 1) (= (select |v_old(#valid)_AFTER_CALL_260| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse10 (select |v_old(#valid)_AFTER_CALL_261| .cse10))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)))))) (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_259| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse12 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|)) (.cse11 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_260|))) (and (= (store |v_old(#valid)_AFTER_CALL_259| .cse11 (select |v_old(#valid)_AFTER_CALL_260| .cse11)) |v_old(#valid)_AFTER_CALL_260|) (= (select |c_#valid| .cse12) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse12 (select |v_old(#valid)_AFTER_CALL_261| .cse12))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= (select |c_#valid| .cse11) 1) (= (select |v_old(#valid)_AFTER_CALL_259| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)))) (and .cse3 (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse13 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_261|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_#valid_BEFORE_CALL_460| .cse13 (select |v_old(#valid)_AFTER_CALL_261| .cse13))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse13)))) .cse2))) is different from true [2024-11-14 02:51:58,124 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse7 (exists ((|ULTIMATE.start_l4_insert_~item~0#1.base| Int)) (= (select |c_#valid| |ULTIMATE.start_l4_insert_~item~0#1.base|) 1))) (.cse5 (exists ((|ULTIMATE.start_l3_insert_~item~1#1.base| Int)) (= (select |c_#valid| |ULTIMATE.start_l3_insert_~item~1#1.base|) 1))) (.cse6 (exists ((|ULTIMATE.start_l2_insert_~item~2#1.base| Int)) (= (select |c_#valid| |ULTIMATE.start_l2_insert_~item~2#1.base|) 1)))) (or (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_259| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_#valid_BEFORE_CALL_460| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse1 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|)) (.cse2 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_259|)) (.cse0 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_260|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= (store |v_old(#valid)_AFTER_CALL_259| .cse0 (select |v_old(#valid)_AFTER_CALL_260| .cse0)) |v_old(#valid)_AFTER_CALL_260|) (= (select |c_#valid| .cse1) 1) (= |v_old(#valid)_AFTER_CALL_259| (store |v_#valid_BEFORE_CALL_460| .cse2 (select |v_old(#valid)_AFTER_CALL_259| .cse2))) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse1 (select |v_old(#valid)_AFTER_CALL_261| .cse1))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= (select |c_#valid| .cse2) 1) (= (select |c_#valid| .cse0) 1)))) (and (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_#valid_BEFORE_CALL_460| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse4 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|)) (.cse3 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_260|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= (select |c_#valid| .cse3) 1) (= (select |c_#valid| .cse4) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse4 (select |v_old(#valid)_AFTER_CALL_261| .cse4))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= |v_old(#valid)_AFTER_CALL_260| (store |v_#valid_BEFORE_CALL_460| .cse3 (select |v_old(#valid)_AFTER_CALL_260| .cse3)))))) .cse5) (and .cse6 (exists ((|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (= (select |c_#valid| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base|) 1)) .cse7 .cse5 (= (select |c_#valid| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)) (and .cse6 (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_259| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (let ((.cse8 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_261|))) (and (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_259| .cse8 (select |v_old(#valid)_AFTER_CALL_261| .cse8))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= 1 (select |c_#valid| .cse8)) (= (select |v_old(#valid)_AFTER_CALL_259| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)))) .cse7) (and .cse6 .cse5 (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse9 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|))) (and (= (select |c_#valid| .cse9) 1) (= (select |v_old(#valid)_AFTER_CALL_260| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse9 (select |v_old(#valid)_AFTER_CALL_261| .cse9))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)))))) (and .cse7 (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_259| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse11 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_259|)) (.cse10 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_261|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_259| .cse10 (select |v_old(#valid)_AFTER_CALL_261| .cse10))) (= |v_old(#valid)_AFTER_CALL_259| (store |v_#valid_BEFORE_CALL_460| .cse11 (select |v_old(#valid)_AFTER_CALL_259| .cse11))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= (select |c_#valid| .cse11) 1) (= 1 (select |c_#valid| .cse10)))))) (and .cse7 .cse5 (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse12 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_261|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_#valid_BEFORE_CALL_460| .cse12 (select |v_old(#valid)_AFTER_CALL_261| .cse12))) (= (select |c_#valid| .cse12) 1) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)))))) (and .cse6 (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_259| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse14 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|)) (.cse13 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_260|))) (and (= (store |v_old(#valid)_AFTER_CALL_259| .cse13 (select |v_old(#valid)_AFTER_CALL_260| .cse13)) |v_old(#valid)_AFTER_CALL_260|) (= (select |c_#valid| .cse14) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse14 (select |v_old(#valid)_AFTER_CALL_261| .cse14))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= (select |c_#valid| .cse13) 1) (= (select |v_old(#valid)_AFTER_CALL_259| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1))))))) is different from false [2024-11-14 02:51:58,135 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse7 (exists ((|ULTIMATE.start_l4_insert_~item~0#1.base| Int)) (= (select |c_#valid| |ULTIMATE.start_l4_insert_~item~0#1.base|) 1))) (.cse5 (exists ((|ULTIMATE.start_l3_insert_~item~1#1.base| Int)) (= (select |c_#valid| |ULTIMATE.start_l3_insert_~item~1#1.base|) 1))) (.cse6 (exists ((|ULTIMATE.start_l2_insert_~item~2#1.base| Int)) (= (select |c_#valid| |ULTIMATE.start_l2_insert_~item~2#1.base|) 1)))) (or (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_259| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_#valid_BEFORE_CALL_460| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse1 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|)) (.cse2 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_259|)) (.cse0 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_260|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= (store |v_old(#valid)_AFTER_CALL_259| .cse0 (select |v_old(#valid)_AFTER_CALL_260| .cse0)) |v_old(#valid)_AFTER_CALL_260|) (= (select |c_#valid| .cse1) 1) (= |v_old(#valid)_AFTER_CALL_259| (store |v_#valid_BEFORE_CALL_460| .cse2 (select |v_old(#valid)_AFTER_CALL_259| .cse2))) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse1 (select |v_old(#valid)_AFTER_CALL_261| .cse1))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= (select |c_#valid| .cse2) 1) (= (select |c_#valid| .cse0) 1)))) (and (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_#valid_BEFORE_CALL_460| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse4 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|)) (.cse3 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_260|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= (select |c_#valid| .cse3) 1) (= (select |c_#valid| .cse4) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse4 (select |v_old(#valid)_AFTER_CALL_261| .cse4))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= |v_old(#valid)_AFTER_CALL_260| (store |v_#valid_BEFORE_CALL_460| .cse3 (select |v_old(#valid)_AFTER_CALL_260| .cse3)))))) .cse5) (and .cse6 (exists ((|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (= (select |c_#valid| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base|) 1)) .cse7 .cse5 (= (select |c_#valid| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)) (and .cse6 (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_259| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (let ((.cse8 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_261|))) (and (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_259| .cse8 (select |v_old(#valid)_AFTER_CALL_261| .cse8))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= 1 (select |c_#valid| .cse8)) (= (select |v_old(#valid)_AFTER_CALL_259| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)))) .cse7) (and .cse6 .cse5 (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse9 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|))) (and (= (select |c_#valid| .cse9) 1) (= (select |v_old(#valid)_AFTER_CALL_260| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse9 (select |v_old(#valid)_AFTER_CALL_261| .cse9))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)))))) (and .cse7 (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_259| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse11 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_259|)) (.cse10 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_261|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_259| .cse10 (select |v_old(#valid)_AFTER_CALL_261| .cse10))) (= |v_old(#valid)_AFTER_CALL_259| (store |v_#valid_BEFORE_CALL_460| .cse11 (select |v_old(#valid)_AFTER_CALL_259| .cse11))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= (select |c_#valid| .cse11) 1) (= 1 (select |c_#valid| .cse10)))))) (and .cse7 .cse5 (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse12 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_261|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_#valid_BEFORE_CALL_460| .cse12 (select |v_old(#valid)_AFTER_CALL_261| .cse12))) (= (select |c_#valid| .cse12) 1) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)))))) (and .cse6 (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_259| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse14 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|)) (.cse13 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_260|))) (and (= (store |v_old(#valid)_AFTER_CALL_259| .cse13 (select |v_old(#valid)_AFTER_CALL_260| .cse13)) |v_old(#valid)_AFTER_CALL_260|) (= (select |c_#valid| .cse14) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse14 (select |v_old(#valid)_AFTER_CALL_261| .cse14))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= (select |c_#valid| .cse13) 1) (= (select |v_old(#valid)_AFTER_CALL_259| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1))))))) is different from true [2024-11-14 02:51:58,494 INFO L134 CoverageAnalysis]: Checked inductivity of 2338 backedges. 89 proven. 338 refuted. 0 times theorem prover too weak. 529 trivial. 1382 not checked. [2024-11-14 02:51:58,495 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:51:58,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2012812556] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 02:51:58,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1953484398] [2024-11-14 02:51:58,759 INFO L159 IcfgInterpreter]: Started Sifa with 37 locations of interest [2024-11-14 02:51:58,759 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 02:51:58,759 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 02:51:58,759 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 02:51:58,759 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 02:52:00,993 INFO L197 IcfgInterpreter]: Interpreting procedure zalloc_or_die with input of size 65 for LOIs [2024-11-14 02:52:01,133 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 02:53:29,510 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '17716#(and (<= 1 |#StackHeapBarrier|) (= |~#list~0.offset| 0) (= |ULTIMATE.start_l0_insert_~list#1.base| 3) (= 3 |~#list~0.base|) (= |ULTIMATE.start_l1_insert_~list#1.offset| 4) (= |ULTIMATE.start_l0_insert_~list#1.offset| 0) (exists ((|v_#memory_$Pointer$.base_729| (Array Int (Array Int Int))) (|v_ULTIMATE.start_l3_insert_~list#1.base_21| Int) (|v_#memory_$Pointer$.base_727| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_726| (Array Int (Array Int Int))) (|v_#memory_int_687| (Array Int (Array Int Int))) (|v_#memory_int_686| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_726| (Array Int (Array Int Int))) (|v_#memory_int_689| (Array Int (Array Int Int))) (|v_#memory_int_688| (Array Int (Array Int Int))) (|v_ULTIMATE.start_l4_insert_~list#1.base_25| Int) (|v_#memory_int_683| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_731| (Array Int (Array Int Int))) (|v_ULTIMATE.start_l2_insert_~list#1.base_16| Int) (|v_#memory_int_685| (Array Int (Array Int Int))) (|v_#memory_int_684| (Array Int (Array Int Int))) (|v_ULTIMATE.start_l1_insert_~list#1.base_14| Int)) (and (<= 8 (select |#length| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) (<= 8 (select |#length| (select (select |v_#memory_$Pointer$.base_731| |v_ULTIMATE.start_l3_insert_~list#1.base_21|) 4))) (= (store |v_#memory_int_687| |v_ULTIMATE.start_l3_insert_~list#1.base_21| (store (select |v_#memory_int_687| |v_ULTIMATE.start_l3_insert_~list#1.base_21|) 4 (select (select |v_#memory_int_688| |v_ULTIMATE.start_l3_insert_~list#1.base_21|) 4))) |v_#memory_int_688|) (= (select |#valid| |v_ULTIMATE.start_l3_insert_~list#1.base_21|) 1) (= |#memory_int| (store |v_#memory_int_689| |v_ULTIMATE.start_l2_insert_~list#1.base_16| (store (select |v_#memory_int_689| |v_ULTIMATE.start_l2_insert_~list#1.base_16|) 0 (select (select |#memory_int| |v_ULTIMATE.start_l2_insert_~list#1.base_16|) 0)))) (= (store (store |v_#memory_$Pointer$.base_729| (select (select |v_#memory_$Pointer$.base_731| |v_ULTIMATE.start_l3_insert_~list#1.base_21|) 4) (store (select |v_#memory_$Pointer$.base_729| (select (select |v_#memory_$Pointer$.base_731| |v_ULTIMATE.start_l3_insert_~list#1.base_21|) 4)) 4 (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l3_insert_~list#1.base_21|) 4))) |v_ULTIMATE.start_l3_insert_~list#1.base_21| (store (select (store |v_#memory_$Pointer$.base_729| (select (select |v_#memory_$Pointer$.base_731| |v_ULTIMATE.start_l3_insert_~list#1.base_21|) 4) (store (select |v_#memory_$Pointer$.base_729| (select (select |v_#memory_$Pointer$.base_731| |v_ULTIMATE.start_l3_insert_~list#1.base_21|) 4)) 4 (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l3_insert_~list#1.base_21|) 4))) |v_ULTIMATE.start_l3_insert_~list#1.base_21|) 4 (select (select |v_#memory_$Pointer$.base_731| |v_ULTIMATE.start_l3_insert_~list#1.base_21|) 4))) |v_#memory_$Pointer$.base_731|) (= (store |v_#memory_int_688| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l2_insert_~list#1.base_16|) 0) (store (select |v_#memory_int_688| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l2_insert_~list#1.base_16|) 0)) 0 (select (select |v_#memory_int_689| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l2_insert_~list#1.base_16|) 0)) 0))) |v_#memory_int_689|) (= (store |v_#memory_int_683| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (select |v_#memory_int_683| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 (select (select |v_#memory_int_684| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4))) |v_#memory_int_684|) (<= 8 (select |#length| |v_ULTIMATE.start_l3_insert_~list#1.base_21|)) (not (= (select |#valid| |v_ULTIMATE.start_l1_insert_~list#1.base_14|) 1)) (<= 4 (select |#length| |v_ULTIMATE.start_l2_insert_~list#1.base_16|)) (= (select |#valid| |v_ULTIMATE.start_l2_insert_~list#1.base_16|) 1) (= (store |v_#memory_int_684| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (select |v_#memory_int_684| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 0 (select (select |v_#memory_int_685| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 0))) |v_#memory_int_685|) (= (store (store |v_#memory_$Pointer$.base_731| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l2_insert_~list#1.base_16|) 0) (store (select |v_#memory_$Pointer$.base_731| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l2_insert_~list#1.base_16|) 0)) 0 (select (select |v_#memory_$Pointer$.base_731| |v_ULTIMATE.start_l2_insert_~list#1.base_16|) 0))) |v_ULTIMATE.start_l2_insert_~list#1.base_16| (store (select (store |v_#memory_$Pointer$.base_731| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l2_insert_~list#1.base_16|) 0) (store (select |v_#memory_$Pointer$.base_731| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l2_insert_~list#1.base_16|) 0)) 0 (select (select |v_#memory_$Pointer$.base_731| |v_ULTIMATE.start_l2_insert_~list#1.base_16|) 0))) |v_ULTIMATE.start_l2_insert_~list#1.base_16|) 0 (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l2_insert_~list#1.base_16|) 0))) |#memory_$Pointer$.base|) (= |#memory_$Pointer$.offset| (store (store (store (store (store (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25| (store (select (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0 0)) (select (select |v_#memory_$Pointer$.base_731| |v_ULTIMATE.start_l3_insert_~list#1.base_21|) 4) (store (select (store (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25| (store (select (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0 0)) (select (select |v_#memory_$Pointer$.base_731| |v_ULTIMATE.start_l3_insert_~list#1.base_21|) 4)) 4 (select (select (store (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25| (store (select (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0 0)) |v_ULTIMATE.start_l3_insert_~list#1.base_21|) 4))) |v_ULTIMATE.start_l3_insert_~list#1.base_21| (store (select (store (store (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25| (store (select (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0 0)) (select (select |v_#memory_$Pointer$.base_731| |v_ULTIMATE.start_l3_insert_~list#1.base_21|) 4) (store (select (store (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25| (store (select (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0 0)) (select (select |v_#memory_$Pointer$.base_731| |v_ULTIMATE.start_l3_insert_~list#1.base_21|) 4)) 4 (select (select (store (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25| (store (select (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0 0)) |v_ULTIMATE.start_l3_insert_~list#1.base_21|) 4))) |v_ULTIMATE.start_l3_insert_~list#1.base_21|) 4 0)) (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l2_insert_~list#1.base_16|) 0) (store (select (store (store (store (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25| (store (select (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0 0)) (select (select |v_#memory_$Pointer$.base_731| |v_ULTIMATE.start_l3_insert_~list#1.base_21|) 4) (store (select (store (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25| (store (select (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0 0)) (select (select |v_#memory_$Pointer$.base_731| |v_ULTIMATE.start_l3_insert_~list#1.base_21|) 4)) 4 (select (select (store (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25| (store (select (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0 0)) |v_ULTIMATE.start_l3_insert_~list#1.base_21|) 4))) |v_ULTIMATE.start_l3_insert_~list#1.base_21| (store (select (store (store (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25| (store (select (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0 0)) (select (select |v_#memory_$Pointer$.base_731| |v_ULTIMATE.start_l3_insert_~list#1.base_21|) 4) (store (select (store (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25| (store (select (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0 0)) (select (select |v_#memory_$Pointer$.base_731| |v_ULTIMATE.start_l3_insert_~list#1.base_21|) 4)) 4 (select (select (store (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25| (store (select (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0 0)) |v_ULTIMATE.start_l3_insert_~list#1.base_21|) 4))) |v_ULTIMATE.start_l3_insert_~list#1.base_21|) 4 0)) (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l2_insert_~list#1.base_16|) 0)) 0 (select (select (store (store (store (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25| (store (select (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0 0)) (select (select |v_#memory_$Pointer$.base_731| |v_ULTIMATE.start_l3_insert_~list#1.base_21|) 4) (store (select (store (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25| (store (select (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0 0)) (select (select |v_#memory_$Pointer$.base_731| |v_ULTIMATE.start_l3_insert_~list#1.base_21|) 4)) 4 (select (select (store (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25| (store (select (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0 0)) |v_ULTIMATE.start_l3_insert_~list#1.base_21|) 4))) |v_ULTIMATE.start_l3_insert_~list#1.base_21| (store (select (store (store (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25| (store (select (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0 0)) (select (select |v_#memory_$Pointer$.base_731| |v_ULTIMATE.start_l3_insert_~list#1.base_21|) 4) (store (select (store (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25| (store (select (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0 0)) (select (select |v_#memory_$Pointer$.base_731| |v_ULTIMATE.start_l3_insert_~list#1.base_21|) 4)) 4 (select (select (store (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25| (store (select (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0 0)) |v_ULTIMATE.start_l3_insert_~list#1.base_21|) 4))) |v_ULTIMATE.start_l3_insert_~list#1.base_21|) 4 0)) |v_ULTIMATE.start_l2_insert_~list#1.base_16|) 0))) |v_ULTIMATE.start_l2_insert_~list#1.base_16| (store (select (store (store (store (store (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25| (store (select (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0 0)) (select (select |v_#memory_$Pointer$.base_731| |v_ULTIMATE.start_l3_insert_~list#1.base_21|) 4) (store (select (store (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25| (store (select (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0 0)) (select (select |v_#memory_$Pointer$.base_731| |v_ULTIMATE.start_l3_insert_~list#1.base_21|) 4)) 4 (select (select (store (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25| (store (select (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0 0)) |v_ULTIMATE.start_l3_insert_~list#1.base_21|) 4))) |v_ULTIMATE.start_l3_insert_~list#1.base_21| (store (select (store (store (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25| (store (select (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0 0)) (select (select |v_#memory_$Pointer$.base_731| |v_ULTIMATE.start_l3_insert_~list#1.base_21|) 4) (store (select (store (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25| (store (select (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0 0)) (select (select |v_#memory_$Pointer$.base_731| |v_ULTIMATE.start_l3_insert_~list#1.base_21|) 4)) 4 (select (select (store (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25| (store (select (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0 0)) |v_ULTIMATE.start_l3_insert_~list#1.base_21|) 4))) |v_ULTIMATE.start_l3_insert_~list#1.base_21|) 4 0)) (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l2_insert_~list#1.base_16|) 0) (store (select (store (store (store (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25| (store (select (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0 0)) (select (select |v_#memory_$Pointer$.base_731| |v_ULTIMATE.start_l3_insert_~list#1.base_21|) 4) (store (select (store (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25| (store (select (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0 0)) (select (select |v_#memory_$Pointer$.base_731| |v_ULTIMATE.start_l3_insert_~list#1.base_21|) 4)) 4 (select (select (store (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25| (store (select (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0 0)) |v_ULTIMATE.start_l3_insert_~list#1.base_21|) 4))) |v_ULTIMATE.start_l3_insert_~list#1.base_21| (store (select (store (store (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25| (store (select (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0 0)) (select (select |v_#memory_$Pointer$.base_731| |v_ULTIMATE.start_l3_insert_~list#1.base_21|) 4) (store (select (store (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25| (store (select (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0 0)) (select (select |v_#memory_$Pointer$.base_731| |v_ULTIMATE.start_l3_insert_~list#1.base_21|) 4)) 4 (select (select (store (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25| (store (select (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0 0)) |v_ULTIMATE.start_l3_insert_~list#1.base_21|) 4))) |v_ULTIMATE.start_l3_insert_~list#1.base_21|) 4 0)) (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l2_insert_~list#1.base_16|) 0)) 0 (select (select (store (store (store (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25| (store (select (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0 0)) (select (select |v_#memory_$Pointer$.base_731| |v_ULTIMATE.start_l3_insert_~list#1.base_21|) 4) (store (select (store (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25| (store (select (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0 0)) (select (select |v_#memory_$Pointer$.base_731| |v_ULTIMATE.start_l3_insert_~list#1.base_21|) 4)) 4 (select (select (store (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25| (store (select (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0 0)) |v_ULTIMATE.start_l3_insert_~list#1.base_21|) 4))) |v_ULTIMATE.start_l3_insert_~list#1.base_21| (store (select (store (store (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25| (store (select (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0 0)) (select (select |v_#memory_$Pointer$.base_731| |v_ULTIMATE.start_l3_insert_~list#1.base_21|) 4) (store (select (store (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25| (store (select (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0 0)) (select (select |v_#memory_$Pointer$.base_731| |v_ULTIMATE.start_l3_insert_~list#1.base_21|) 4)) 4 (select (select (store (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25| (store (select (store |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (store (select |v_#memory_$Pointer$.offset_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 0) 0 (select (select |v_#memory_$Pointer$.offset_726| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0 0)) |v_ULTIMATE.start_l3_insert_~list#1.base_21|) 4))) |v_ULTIMATE.start_l3_insert_~list#1.base_21|) 4 0)) |v_ULTIMATE.start_l2_insert_~list#1.base_16|) 0))) |v_ULTIMATE.start_l2_insert_~list#1.base_16|) 0 0))) (= (store |v_#memory_$Pointer$.base_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (select |v_#memory_$Pointer$.base_726| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4 (select (select |v_#memory_$Pointer$.base_727| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4))) |v_#memory_$Pointer$.base_727|) (= (store |v_#memory_int_685| |v_ULTIMATE.start_l4_insert_~list#1.base_25| (store (select |v_#memory_int_685| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0 (select (select |v_#memory_int_686| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_#memory_int_686|) (= (store (store |v_#memory_$Pointer$.base_727| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (select |v_#memory_$Pointer$.base_727| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 0 (select (select |v_#memory_$Pointer$.base_727| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25| (store (select (store |v_#memory_$Pointer$.base_727| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) (store (select |v_#memory_$Pointer$.base_727| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 0 (select (select |v_#memory_$Pointer$.base_727| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0 (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0))) |v_#memory_$Pointer$.base_729|) (= (store |v_#memory_int_686| (select (select |v_#memory_$Pointer$.base_731| |v_ULTIMATE.start_l3_insert_~list#1.base_21|) 4) (store (select |v_#memory_int_686| (select (select |v_#memory_$Pointer$.base_731| |v_ULTIMATE.start_l3_insert_~list#1.base_21|) 4)) 4 (select (select |v_#memory_int_687| (select (select |v_#memory_$Pointer$.base_731| |v_ULTIMATE.start_l3_insert_~list#1.base_21|) 4)) 4))) |v_#memory_int_687|) (= (select |#valid| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 1) (or (and (not (= |ULTIMATE.start_l1_insert_~item~3#1.base| 0)) (exists ((|v_zalloc_or_die_#Ultimate.C_memset_#amount#1_282| Int) (|v_zalloc_or_die_#Ultimate.C_memset_#t~loopctr41#1_848| Int)) (and (<= 0 |v_zalloc_or_die_#Ultimate.C_memset_#t~loopctr41#1_848|) (<= (mod |v_zalloc_or_die_#Ultimate.C_memset_#amount#1_282| 4294967296) (mod |v_zalloc_or_die_#Ultimate.C_memset_#t~loopctr41#1_848| 4294967296)))) (not (= |ULTIMATE.start_l0_insert_~item~4#1.base| 0)) (= (select |ULTIMATE.start_main_old_#valid#1| 1) 1) (= (select |ULTIMATE.start_main_old_#valid#1| 2) 1) (exists ((|v_#memory_$Pointer$.offset_BEFORE_CALL_420| (Array Int (Array Int Int)))) (= (select (select |v_#memory_$Pointer$.offset_BEFORE_CALL_420| 3) 0) 0)) (exists ((|v_#length_BEFORE_CALL_444| (Array Int Int))) (and (= (select |v_#length_BEFORE_CALL_444| 1) 2) (= (select |v_#length_BEFORE_CALL_444| 2) 14) (= (select |v_#length_BEFORE_CALL_444| 3) 4))) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l2_insert_~list#1.base_16|) 0) 0)) (= (select |ULTIMATE.start_main_old_#valid#1| 3) 1) (not (= (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) 0)) (exists ((|v_#memory_$Pointer$.base_BEFORE_CALL_420| (Array Int (Array Int Int)))) (= (select (select |v_#memory_$Pointer$.base_BEFORE_CALL_420| 3) 0) 0)) (not (= (select (select |v_#memory_$Pointer$.base_727| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4) 0)) (= |v_ULTIMATE.start_l1_insert_~list#1.base_14| |ULTIMATE.start_l0_insert_~item~4#1.base|) (= (select |ULTIMATE.start_main_old_#valid#1| 0) 0) (= (select (select |v_#memory_$Pointer$.base_731| |v_ULTIMATE.start_l3_insert_~list#1.base_21|) 4) |v_ULTIMATE.start_l4_insert_~list#1.base_25|) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l2_insert_~list#1.base_16|) 0) |v_ULTIMATE.start_l3_insert_~list#1.base_21|) (not (= (select (select |v_#memory_$Pointer$.base_731| |v_ULTIMATE.start_l3_insert_~list#1.base_21|) 4) 0)) (exists ((|v_old(#memory_int)_AFTER_CALL_263| (Array Int (Array Int Int)))) (and (= 48 (select (select |v_old(#memory_int)_AFTER_CALL_263| 1) 0)) (= (select (select |v_old(#memory_int)_AFTER_CALL_263| 1) 1) 0))) (= |ULTIMATE.start_l1_insert_~item~3#1.base| |v_ULTIMATE.start_l2_insert_~list#1.base_16|)) (and (not (= |ULTIMATE.start_l1_insert_~item~3#1.base| 0)) (exists ((|v_zalloc_or_die_#Ultimate.C_memset_#amount#1_282| Int) (|v_zalloc_or_die_#Ultimate.C_memset_#t~loopctr41#1_848| Int)) (and (<= 0 |v_zalloc_or_die_#Ultimate.C_memset_#t~loopctr41#1_848|) (<= (mod |v_zalloc_or_die_#Ultimate.C_memset_#amount#1_282| 4294967296) (mod |v_zalloc_or_die_#Ultimate.C_memset_#t~loopctr41#1_848| 4294967296)))) (exists ((|v_#length_BEFORE_CALL_442| (Array Int Int))) (and (= (select |v_#length_BEFORE_CALL_442| 2) 14) (= (select |v_#length_BEFORE_CALL_442| 3) 4) (= (select |v_#length_BEFORE_CALL_442| 1) 2))) (exists ((|v_#memory_$Pointer$.base_BEFORE_CALL_418| (Array Int (Array Int Int)))) (= (select (select |v_#memory_$Pointer$.base_BEFORE_CALL_418| 3) 0) 0)) (not (= |ULTIMATE.start_l0_insert_~item~4#1.base| 0)) (= (select |ULTIMATE.start_main_old_#valid#1| 1) 1) (= (select |ULTIMATE.start_main_old_#valid#1| 2) 1) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l2_insert_~list#1.base_16|) 0) 0)) (= (select |ULTIMATE.start_main_old_#valid#1| 3) 1) (not (= (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0) 0)) (exists ((|v_old(#memory_int)_AFTER_CALL_262| (Array Int (Array Int Int)))) (and (= (select (select |v_old(#memory_int)_AFTER_CALL_262| 1) 1) 0) (= 48 (select (select |v_old(#memory_int)_AFTER_CALL_262| 1) 0)))) (not (= (select (select |v_#memory_$Pointer$.base_727| (select (select |v_#memory_$Pointer$.base_729| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 0)) 4) 0)) (exists ((|v_#memory_$Pointer$.offset_BEFORE_CALL_418| (Array Int (Array Int Int)))) (= (select (select |v_#memory_$Pointer$.offset_BEFORE_CALL_418| 3) 0) 0)) (= |v_ULTIMATE.start_l1_insert_~list#1.base_14| |ULTIMATE.start_l0_insert_~item~4#1.base|) (= (select |ULTIMATE.start_main_old_#valid#1| 0) 0) (= (select (select |v_#memory_$Pointer$.base_731| |v_ULTIMATE.start_l3_insert_~list#1.base_21|) 4) |v_ULTIMATE.start_l4_insert_~list#1.base_25|) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l2_insert_~list#1.base_16|) 0) |v_ULTIMATE.start_l3_insert_~list#1.base_21|) (not (= (select (select |v_#memory_$Pointer$.base_731| |v_ULTIMATE.start_l3_insert_~list#1.base_21|) 4) 0)) (= |ULTIMATE.start_l1_insert_~item~3#1.base| |v_ULTIMATE.start_l2_insert_~list#1.base_16|))) (= (select |#valid| |v_ULTIMATE.start_l4_insert_~list#1.base_25|) 1))) (= |ULTIMATE.start_l0_insert_~item~4#1.offset| 0) (= |ULTIMATE.start_l1_insert_~item~3#1.offset| 0))' at error location [2024-11-14 02:53:29,510 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 02:53:29,510 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-14 02:53:29,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 24] total 36 [2024-11-14 02:53:29,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599548430] [2024-11-14 02:53:29,510 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-14 02:53:29,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-11-14 02:53:29,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:53:29,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-11-14 02:53:29,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=353, Invalid=3689, Unknown=38, NotChecked=1620, Total=5700 [2024-11-14 02:53:29,512 INFO L87 Difference]: Start difference. First operand 299 states and 346 transitions. Second operand has 37 states, 31 states have (on average 2.5161290322580645) internal successors, (78), 27 states have internal predecessors, (78), 9 states have call successors, (10), 2 states have call predecessors, (10), 5 states have return successors, (11), 11 states have call predecessors, (11), 9 states have call successors, (11) [2024-11-14 02:53:29,932 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 (= (select |c_#valid| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1))) (and (= (select |c_#valid| |c_ULTIMATE.start_l0_insert_~item~4#1.base|) 1) (or (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse0 (@diff |v_#valid_BEFORE_CALL_460| |c_#valid|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= .cse0 |c_ULTIMATE.start_l2_insert_#t~ret12#1.base|) (= (store |v_#valid_BEFORE_CALL_460| .cse0 (select |c_#valid| .cse0)) |c_#valid|)))) .cse1) .cse1)) is different from false [2024-11-14 02:53:29,935 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse1 (= (select |c_#valid| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1))) (and (= (select |c_#valid| |c_ULTIMATE.start_l0_insert_~item~4#1.base|) 1) (or (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse0 (@diff |v_#valid_BEFORE_CALL_460| |c_#valid|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= .cse0 |c_ULTIMATE.start_l2_insert_#t~ret12#1.base|) (= (store |v_#valid_BEFORE_CALL_460| .cse0 (select |c_#valid| .cse0)) |c_#valid|)))) .cse1) .cse1)) is different from true [2024-11-14 02:53:29,940 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (= (select |c_#valid| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1))) (and (or .cse0 (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| |c_ULTIMATE.start_l1_insert_~list#1.base|) (= |c_ULTIMATE.start_l2_insert_~list#1.base| |c_ULTIMATE.start_l1_insert_~list#1.base|)) (or (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse1 (@diff |v_#valid_BEFORE_CALL_460| |c_#valid|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse1) (= (store |v_#valid_BEFORE_CALL_460| .cse1 (select |c_#valid| .cse1)) |c_#valid|)))) .cse0))) is different from false [2024-11-14 02:53:29,943 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 (= (select |c_#valid| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1))) (and (or .cse0 (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| |c_ULTIMATE.start_l1_insert_~list#1.base|) (= |c_ULTIMATE.start_l2_insert_~list#1.base| |c_ULTIMATE.start_l1_insert_~list#1.base|)) (or (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse1 (@diff |v_#valid_BEFORE_CALL_460| |c_#valid|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse1) (= (store |v_#valid_BEFORE_CALL_460| .cse1 (select |c_#valid| .cse1)) |c_#valid|)))) .cse0))) is different from true [2024-11-14 02:53:29,983 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 (= (select |c_#valid| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1))) (and (or (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse0 (@diff |v_#valid_BEFORE_CALL_460| |c_#valid|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse0) (= (store |v_#valid_BEFORE_CALL_460| .cse0 (select |c_#valid| .cse0)) |c_#valid|)))) (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse2 (@diff |v_old(#valid)_AFTER_CALL_259| |c_#valid|))) (and (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse1 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_259|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_259| (store |v_#valid_BEFORE_CALL_460| .cse1 (select |v_old(#valid)_AFTER_CALL_259| .cse1))) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse1)))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_259| .cse2 (select |c_#valid| .cse2))) (= .cse2 |c_ULTIMATE.start_l3_insert_#t~ret9#1.base|)))) .cse3 (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse4 (@diff |v_old(#valid)_AFTER_CALL_259| |c_#valid|))) (and (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_259| .cse4 (select |c_#valid| .cse4))) (= .cse4 |c_ULTIMATE.start_l3_insert_#t~ret9#1.base|) (= (select |v_old(#valid)_AFTER_CALL_259| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1))))) (or .cse3 (= |c_ULTIMATE.start_l3_insert_#t~ret9#1.base| |c_ULTIMATE.start_l1_insert_~list#1.base|) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| |c_ULTIMATE.start_l1_insert_~list#1.base|) (= |c_ULTIMATE.start_l2_insert_~list#1.base| |c_ULTIMATE.start_l1_insert_~list#1.base|)))) is different from false [2024-11-14 02:53:29,990 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse3 (= (select |c_#valid| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1))) (and (or (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse0 (@diff |v_#valid_BEFORE_CALL_460| |c_#valid|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse0) (= (store |v_#valid_BEFORE_CALL_460| .cse0 (select |c_#valid| .cse0)) |c_#valid|)))) (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse2 (@diff |v_old(#valid)_AFTER_CALL_259| |c_#valid|))) (and (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse1 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_259|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_259| (store |v_#valid_BEFORE_CALL_460| .cse1 (select |v_old(#valid)_AFTER_CALL_259| .cse1))) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse1)))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_259| .cse2 (select |c_#valid| .cse2))) (= .cse2 |c_ULTIMATE.start_l3_insert_#t~ret9#1.base|)))) .cse3 (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse4 (@diff |v_old(#valid)_AFTER_CALL_259| |c_#valid|))) (and (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_259| .cse4 (select |c_#valid| .cse4))) (= .cse4 |c_ULTIMATE.start_l3_insert_#t~ret9#1.base|) (= (select |v_old(#valid)_AFTER_CALL_259| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1))))) (or .cse3 (= |c_ULTIMATE.start_l3_insert_#t~ret9#1.base| |c_ULTIMATE.start_l1_insert_~list#1.base|) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| |c_ULTIMATE.start_l1_insert_~list#1.base|) (= |c_ULTIMATE.start_l2_insert_~list#1.base| |c_ULTIMATE.start_l1_insert_~list#1.base|)))) is different from true [2024-11-14 02:53:30,027 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse2 (= (select |c_#valid| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1))) (and (or (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse0 (@diff |v_#valid_BEFORE_CALL_460| |c_#valid|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse0) (= (store |v_#valid_BEFORE_CALL_460| .cse0 (select |c_#valid| .cse0)) |c_#valid|)))) (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse1 (@diff |v_old(#valid)_AFTER_CALL_259| |c_#valid|))) (and (= .cse1 |c_ULTIMATE.start_l3_insert_~item~1#1.base|) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_259| .cse1 (select |c_#valid| .cse1))) (= (select |v_old(#valid)_AFTER_CALL_259| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)))) .cse2 (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse3 (@diff |v_old(#valid)_AFTER_CALL_259| |c_#valid|))) (and (= .cse3 |c_ULTIMATE.start_l3_insert_~item~1#1.base|) (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse4 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_259|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_259| (store |v_#valid_BEFORE_CALL_460| .cse4 (select |v_old(#valid)_AFTER_CALL_259| .cse4))) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse4)))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_259| .cse3 (select |c_#valid| .cse3))))))) (or (= |c_ULTIMATE.start_l1_insert_~list#1.base| |c_ULTIMATE.start_l3_insert_~item~1#1.base|) .cse2 (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| |c_ULTIMATE.start_l1_insert_~list#1.base|) (= |c_ULTIMATE.start_l2_insert_~list#1.base| |c_ULTIMATE.start_l1_insert_~list#1.base|)))) is different from false [2024-11-14 02:53:30,032 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse2 (= (select |c_#valid| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1))) (and (or (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse0 (@diff |v_#valid_BEFORE_CALL_460| |c_#valid|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse0) (= (store |v_#valid_BEFORE_CALL_460| .cse0 (select |c_#valid| .cse0)) |c_#valid|)))) (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse1 (@diff |v_old(#valid)_AFTER_CALL_259| |c_#valid|))) (and (= .cse1 |c_ULTIMATE.start_l3_insert_~item~1#1.base|) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_259| .cse1 (select |c_#valid| .cse1))) (= (select |v_old(#valid)_AFTER_CALL_259| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)))) .cse2 (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse3 (@diff |v_old(#valid)_AFTER_CALL_259| |c_#valid|))) (and (= .cse3 |c_ULTIMATE.start_l3_insert_~item~1#1.base|) (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse4 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_259|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_259| (store |v_#valid_BEFORE_CALL_460| .cse4 (select |v_old(#valid)_AFTER_CALL_259| .cse4))) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse4)))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_259| .cse3 (select |c_#valid| .cse3))))))) (or (= |c_ULTIMATE.start_l1_insert_~list#1.base| |c_ULTIMATE.start_l3_insert_~item~1#1.base|) .cse2 (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| |c_ULTIMATE.start_l1_insert_~list#1.base|) (= |c_ULTIMATE.start_l2_insert_~list#1.base| |c_ULTIMATE.start_l1_insert_~list#1.base|)))) is different from true [2024-11-14 02:53:32,042 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse9 (= (select |c_#valid| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1))) (and (or (exists ((|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse0 (@diff |v_old(#valid)_AFTER_CALL_260| |c_#valid|))) (and (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_260| .cse0 (select |c_#valid| .cse0))) (= .cse0 |c_ULTIMATE.start_l4_insert_#t~ret6#1.base|) (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse2 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_260|))) (and (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse1 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_259|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_259| (store |v_#valid_BEFORE_CALL_460| .cse1 (select |v_old(#valid)_AFTER_CALL_259| .cse1))) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse1)))) (= (store |v_old(#valid)_AFTER_CALL_259| .cse2 (select |v_old(#valid)_AFTER_CALL_260| .cse2)) |v_old(#valid)_AFTER_CALL_260|) (= .cse2 |c_ULTIMATE.start_l3_insert_~item~1#1.base|))))))) (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse3 (@diff |v_#valid_BEFORE_CALL_460| |c_#valid|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse3) (= (store |v_#valid_BEFORE_CALL_460| .cse3 (select |c_#valid| .cse3)) |c_#valid|)))) (exists ((|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse5 (@diff |v_old(#valid)_AFTER_CALL_260| |c_#valid|))) (and (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse4 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_260|))) (and (= (store |v_old(#valid)_AFTER_CALL_259| .cse4 (select |v_old(#valid)_AFTER_CALL_260| .cse4)) |v_old(#valid)_AFTER_CALL_260|) (= .cse4 |c_ULTIMATE.start_l3_insert_~item~1#1.base|) (= (select |v_old(#valid)_AFTER_CALL_259| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_260| .cse5 (select |c_#valid| .cse5))) (= .cse5 |c_ULTIMATE.start_l4_insert_#t~ret6#1.base|)))) (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse6 (@diff |v_old(#valid)_AFTER_CALL_259| |c_#valid|))) (and (= .cse6 |c_ULTIMATE.start_l3_insert_~item~1#1.base|) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_259| .cse6 (select |c_#valid| .cse6))) (= (select |v_old(#valid)_AFTER_CALL_259| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)))) (exists ((|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse8 (@diff |v_old(#valid)_AFTER_CALL_260| |c_#valid|))) (and (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse7 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_260|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse7) (= |v_old(#valid)_AFTER_CALL_260| (store |v_#valid_BEFORE_CALL_460| .cse7 (select |v_old(#valid)_AFTER_CALL_260| .cse7)))))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_260| .cse8 (select |c_#valid| .cse8))) (= .cse8 |c_ULTIMATE.start_l4_insert_#t~ret6#1.base|)))) .cse9 (exists ((|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse10 (@diff |v_old(#valid)_AFTER_CALL_260| |c_#valid|))) (and (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_260| .cse10 (select |c_#valid| .cse10))) (= .cse10 |c_ULTIMATE.start_l4_insert_#t~ret6#1.base|) (= (select |v_old(#valid)_AFTER_CALL_260| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)))) (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse11 (@diff |v_old(#valid)_AFTER_CALL_259| |c_#valid|))) (and (= .cse11 |c_ULTIMATE.start_l3_insert_~item~1#1.base|) (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse12 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_259|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_259| (store |v_#valid_BEFORE_CALL_460| .cse12 (select |v_old(#valid)_AFTER_CALL_259| .cse12))) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse12)))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_259| .cse11 (select |c_#valid| .cse11))))))) (or (= |c_ULTIMATE.start_l1_insert_~list#1.base| |c_ULTIMATE.start_l3_insert_~item~1#1.base|) .cse9 (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| |c_ULTIMATE.start_l1_insert_~list#1.base|) (= |c_ULTIMATE.start_l1_insert_~list#1.base| |c_ULTIMATE.start_l4_insert_#t~ret6#1.base|) (= |c_ULTIMATE.start_l2_insert_~list#1.base| |c_ULTIMATE.start_l1_insert_~list#1.base|)))) is different from false [2024-11-14 02:53:32,053 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse9 (= (select |c_#valid| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1))) (and (or (exists ((|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse0 (@diff |v_old(#valid)_AFTER_CALL_260| |c_#valid|))) (and (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_260| .cse0 (select |c_#valid| .cse0))) (= .cse0 |c_ULTIMATE.start_l4_insert_#t~ret6#1.base|) (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse2 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_260|))) (and (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse1 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_259|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_259| (store |v_#valid_BEFORE_CALL_460| .cse1 (select |v_old(#valid)_AFTER_CALL_259| .cse1))) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse1)))) (= (store |v_old(#valid)_AFTER_CALL_259| .cse2 (select |v_old(#valid)_AFTER_CALL_260| .cse2)) |v_old(#valid)_AFTER_CALL_260|) (= .cse2 |c_ULTIMATE.start_l3_insert_~item~1#1.base|))))))) (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse3 (@diff |v_#valid_BEFORE_CALL_460| |c_#valid|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse3) (= (store |v_#valid_BEFORE_CALL_460| .cse3 (select |c_#valid| .cse3)) |c_#valid|)))) (exists ((|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse5 (@diff |v_old(#valid)_AFTER_CALL_260| |c_#valid|))) (and (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse4 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_260|))) (and (= (store |v_old(#valid)_AFTER_CALL_259| .cse4 (select |v_old(#valid)_AFTER_CALL_260| .cse4)) |v_old(#valid)_AFTER_CALL_260|) (= .cse4 |c_ULTIMATE.start_l3_insert_~item~1#1.base|) (= (select |v_old(#valid)_AFTER_CALL_259| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_260| .cse5 (select |c_#valid| .cse5))) (= .cse5 |c_ULTIMATE.start_l4_insert_#t~ret6#1.base|)))) (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse6 (@diff |v_old(#valid)_AFTER_CALL_259| |c_#valid|))) (and (= .cse6 |c_ULTIMATE.start_l3_insert_~item~1#1.base|) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_259| .cse6 (select |c_#valid| .cse6))) (= (select |v_old(#valid)_AFTER_CALL_259| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)))) (exists ((|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse8 (@diff |v_old(#valid)_AFTER_CALL_260| |c_#valid|))) (and (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse7 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_260|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse7) (= |v_old(#valid)_AFTER_CALL_260| (store |v_#valid_BEFORE_CALL_460| .cse7 (select |v_old(#valid)_AFTER_CALL_260| .cse7)))))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_260| .cse8 (select |c_#valid| .cse8))) (= .cse8 |c_ULTIMATE.start_l4_insert_#t~ret6#1.base|)))) .cse9 (exists ((|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse10 (@diff |v_old(#valid)_AFTER_CALL_260| |c_#valid|))) (and (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_260| .cse10 (select |c_#valid| .cse10))) (= .cse10 |c_ULTIMATE.start_l4_insert_#t~ret6#1.base|) (= (select |v_old(#valid)_AFTER_CALL_260| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)))) (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse11 (@diff |v_old(#valid)_AFTER_CALL_259| |c_#valid|))) (and (= .cse11 |c_ULTIMATE.start_l3_insert_~item~1#1.base|) (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse12 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_259|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_259| (store |v_#valid_BEFORE_CALL_460| .cse12 (select |v_old(#valid)_AFTER_CALL_259| .cse12))) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse12)))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_259| .cse11 (select |c_#valid| .cse11))))))) (or (= |c_ULTIMATE.start_l1_insert_~list#1.base| |c_ULTIMATE.start_l3_insert_~item~1#1.base|) .cse9 (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| |c_ULTIMATE.start_l1_insert_~list#1.base|) (= |c_ULTIMATE.start_l1_insert_~list#1.base| |c_ULTIMATE.start_l4_insert_#t~ret6#1.base|) (= |c_ULTIMATE.start_l2_insert_~list#1.base| |c_ULTIMATE.start_l1_insert_~list#1.base|)))) is different from true [2024-11-14 02:53:34,060 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (= (select |c_#valid| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1))) (and (or (= |c_ULTIMATE.start_l1_insert_~list#1.base| |c_ULTIMATE.start_l3_insert_~item~1#1.base|) .cse0 (= |c_ULTIMATE.start_l4_insert_~item~0#1.base| |c_ULTIMATE.start_l1_insert_~list#1.base|) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| |c_ULTIMATE.start_l1_insert_~list#1.base|) (= |c_ULTIMATE.start_l2_insert_~list#1.base| |c_ULTIMATE.start_l1_insert_~list#1.base|)) (or (exists ((|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse1 (@diff |v_old(#valid)_AFTER_CALL_260| |c_#valid|))) (and (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_260| .cse1 (select |c_#valid| .cse1))) (= |c_ULTIMATE.start_l4_insert_~item~0#1.base| .cse1) (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse3 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_260|))) (and (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse2 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_259|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_259| (store |v_#valid_BEFORE_CALL_460| .cse2 (select |v_old(#valid)_AFTER_CALL_259| .cse2))) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse2)))) (= (store |v_old(#valid)_AFTER_CALL_259| .cse3 (select |v_old(#valid)_AFTER_CALL_260| .cse3)) |v_old(#valid)_AFTER_CALL_260|) (= .cse3 |c_ULTIMATE.start_l3_insert_~item~1#1.base|))))))) (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse4 (@diff |v_#valid_BEFORE_CALL_460| |c_#valid|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse4) (= (store |v_#valid_BEFORE_CALL_460| .cse4 (select |c_#valid| .cse4)) |c_#valid|)))) (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse5 (@diff |v_old(#valid)_AFTER_CALL_259| |c_#valid|))) (and (= .cse5 |c_ULTIMATE.start_l3_insert_~item~1#1.base|) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_259| .cse5 (select |c_#valid| .cse5))) (= (select |v_old(#valid)_AFTER_CALL_259| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)))) (exists ((|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse7 (@diff |v_old(#valid)_AFTER_CALL_260| |c_#valid|))) (and (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse6 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_260|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse6) (= |v_old(#valid)_AFTER_CALL_260| (store |v_#valid_BEFORE_CALL_460| .cse6 (select |v_old(#valid)_AFTER_CALL_260| .cse6)))))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_260| .cse7 (select |c_#valid| .cse7))) (= |c_ULTIMATE.start_l4_insert_~item~0#1.base| .cse7)))) .cse0 (exists ((|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse9 (@diff |v_old(#valid)_AFTER_CALL_260| |c_#valid|))) (and (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse8 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_260|))) (and (= (store |v_old(#valid)_AFTER_CALL_259| .cse8 (select |v_old(#valid)_AFTER_CALL_260| .cse8)) |v_old(#valid)_AFTER_CALL_260|) (= .cse8 |c_ULTIMATE.start_l3_insert_~item~1#1.base|) (= (select |v_old(#valid)_AFTER_CALL_259| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_260| .cse9 (select |c_#valid| .cse9))) (= |c_ULTIMATE.start_l4_insert_~item~0#1.base| .cse9)))) (exists ((|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse10 (@diff |v_old(#valid)_AFTER_CALL_260| |c_#valid|))) (and (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_260| .cse10 (select |c_#valid| .cse10))) (= (select |v_old(#valid)_AFTER_CALL_260| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |c_ULTIMATE.start_l4_insert_~item~0#1.base| .cse10)))) (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse11 (@diff |v_old(#valid)_AFTER_CALL_259| |c_#valid|))) (and (= .cse11 |c_ULTIMATE.start_l3_insert_~item~1#1.base|) (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse12 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_259|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_259| (store |v_#valid_BEFORE_CALL_460| .cse12 (select |v_old(#valid)_AFTER_CALL_259| .cse12))) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse12)))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_259| .cse11 (select |c_#valid| .cse11))))))))) is different from false [2024-11-14 02:53:34,072 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 (= (select |c_#valid| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1))) (and (or (= |c_ULTIMATE.start_l1_insert_~list#1.base| |c_ULTIMATE.start_l3_insert_~item~1#1.base|) .cse0 (= |c_ULTIMATE.start_l4_insert_~item~0#1.base| |c_ULTIMATE.start_l1_insert_~list#1.base|) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| |c_ULTIMATE.start_l1_insert_~list#1.base|) (= |c_ULTIMATE.start_l2_insert_~list#1.base| |c_ULTIMATE.start_l1_insert_~list#1.base|)) (or (exists ((|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse1 (@diff |v_old(#valid)_AFTER_CALL_260| |c_#valid|))) (and (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_260| .cse1 (select |c_#valid| .cse1))) (= |c_ULTIMATE.start_l4_insert_~item~0#1.base| .cse1) (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse3 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_260|))) (and (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse2 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_259|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_259| (store |v_#valid_BEFORE_CALL_460| .cse2 (select |v_old(#valid)_AFTER_CALL_259| .cse2))) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse2)))) (= (store |v_old(#valid)_AFTER_CALL_259| .cse3 (select |v_old(#valid)_AFTER_CALL_260| .cse3)) |v_old(#valid)_AFTER_CALL_260|) (= .cse3 |c_ULTIMATE.start_l3_insert_~item~1#1.base|))))))) (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse4 (@diff |v_#valid_BEFORE_CALL_460| |c_#valid|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse4) (= (store |v_#valid_BEFORE_CALL_460| .cse4 (select |c_#valid| .cse4)) |c_#valid|)))) (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse5 (@diff |v_old(#valid)_AFTER_CALL_259| |c_#valid|))) (and (= .cse5 |c_ULTIMATE.start_l3_insert_~item~1#1.base|) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_259| .cse5 (select |c_#valid| .cse5))) (= (select |v_old(#valid)_AFTER_CALL_259| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)))) (exists ((|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse7 (@diff |v_old(#valid)_AFTER_CALL_260| |c_#valid|))) (and (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse6 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_260|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse6) (= |v_old(#valid)_AFTER_CALL_260| (store |v_#valid_BEFORE_CALL_460| .cse6 (select |v_old(#valid)_AFTER_CALL_260| .cse6)))))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_260| .cse7 (select |c_#valid| .cse7))) (= |c_ULTIMATE.start_l4_insert_~item~0#1.base| .cse7)))) .cse0 (exists ((|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse9 (@diff |v_old(#valid)_AFTER_CALL_260| |c_#valid|))) (and (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse8 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_260|))) (and (= (store |v_old(#valid)_AFTER_CALL_259| .cse8 (select |v_old(#valid)_AFTER_CALL_260| .cse8)) |v_old(#valid)_AFTER_CALL_260|) (= .cse8 |c_ULTIMATE.start_l3_insert_~item~1#1.base|) (= (select |v_old(#valid)_AFTER_CALL_259| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_260| .cse9 (select |c_#valid| .cse9))) (= |c_ULTIMATE.start_l4_insert_~item~0#1.base| .cse9)))) (exists ((|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse10 (@diff |v_old(#valid)_AFTER_CALL_260| |c_#valid|))) (and (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_260| .cse10 (select |c_#valid| .cse10))) (= (select |v_old(#valid)_AFTER_CALL_260| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |c_ULTIMATE.start_l4_insert_~item~0#1.base| .cse10)))) (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse11 (@diff |v_old(#valid)_AFTER_CALL_259| |c_#valid|))) (and (= .cse11 |c_ULTIMATE.start_l3_insert_~item~1#1.base|) (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse12 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_259|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_259| (store |v_#valid_BEFORE_CALL_460| .cse12 (select |v_old(#valid)_AFTER_CALL_259| .cse12))) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse12)))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_259| .cse11 (select |c_#valid| .cse11))))))))) is different from true [2024-11-14 02:53:36,082 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 (= (select |c_#valid| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1))) (and (or (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (and (exists ((|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse0 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|))) (and (= |c_ULTIMATE.start_l4_insert_~item~0#1.base| .cse0) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse0 (select |v_old(#valid)_AFTER_CALL_261| .cse0))) (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse2 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_260|))) (and (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse1 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_259|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_259| (store |v_#valid_BEFORE_CALL_460| .cse1 (select |v_old(#valid)_AFTER_CALL_259| .cse1))) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse1)))) (= (store |v_old(#valid)_AFTER_CALL_259| .cse2 (select |v_old(#valid)_AFTER_CALL_260| .cse2)) |v_old(#valid)_AFTER_CALL_260|) (= .cse2 |c_ULTIMATE.start_l3_insert_~item~1#1.base|))))))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)))) (and (exists ((|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (= (select |c_#valid| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base|) 1)) .cse3) (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (and (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse4 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_261|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_#valid_BEFORE_CALL_460| .cse4 (select |v_old(#valid)_AFTER_CALL_261| .cse4))) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse4)))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)))) (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (and (exists ((|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse6 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|))) (and (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse5 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_260|))) (and (= (store |v_old(#valid)_AFTER_CALL_259| .cse5 (select |v_old(#valid)_AFTER_CALL_260| .cse5)) |v_old(#valid)_AFTER_CALL_260|) (= .cse5 |c_ULTIMATE.start_l3_insert_~item~1#1.base|) (= (select |v_old(#valid)_AFTER_CALL_259| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)))) (= |c_ULTIMATE.start_l4_insert_~item~0#1.base| .cse6) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse6 (select |v_old(#valid)_AFTER_CALL_261| .cse6)))))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)))) (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (and (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse7 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_261|))) (and (= .cse7 |c_ULTIMATE.start_l3_insert_~item~1#1.base|) (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse8 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_259|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_259| (store |v_#valid_BEFORE_CALL_460| .cse8 (select |v_old(#valid)_AFTER_CALL_259| .cse8))) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse8)))) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_259| .cse7 (select |v_old(#valid)_AFTER_CALL_261| .cse7)))))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)))) (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (and (exists ((|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse10 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|))) (and (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse9 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_260|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse9) (= |v_old(#valid)_AFTER_CALL_260| (store |v_#valid_BEFORE_CALL_460| .cse9 (select |v_old(#valid)_AFTER_CALL_260| .cse9)))))) (= |c_ULTIMATE.start_l4_insert_~item~0#1.base| .cse10) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse10 (select |v_old(#valid)_AFTER_CALL_261| .cse10)))))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)))) (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (and (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse11 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_261|))) (and (= .cse11 |c_ULTIMATE.start_l3_insert_~item~1#1.base|) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_259| .cse11 (select |v_old(#valid)_AFTER_CALL_261| .cse11))) (= (select |v_old(#valid)_AFTER_CALL_259| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)))))) (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (and (exists ((|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse12 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|))) (and (= (select |v_old(#valid)_AFTER_CALL_260| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |c_ULTIMATE.start_l4_insert_~item~0#1.base| .cse12) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse12 (select |v_old(#valid)_AFTER_CALL_261| .cse12)))))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1))))) (or (= |c_ULTIMATE.start_l1_insert_~list#1.base| |c_ULTIMATE.start_l3_insert_~item~1#1.base|) .cse3 (= |c_ULTIMATE.start_l4_insert_~item~0#1.base| |c_ULTIMATE.start_l1_insert_~list#1.base|) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| |c_ULTIMATE.start_l1_insert_~list#1.base|) (= |c_ULTIMATE.start_l2_insert_~list#1.base| |c_ULTIMATE.start_l1_insert_~list#1.base|)))) is different from false [2024-11-14 02:53:36,093 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse3 (= (select |c_#valid| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1))) (and (or (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (and (exists ((|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse0 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|))) (and (= |c_ULTIMATE.start_l4_insert_~item~0#1.base| .cse0) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse0 (select |v_old(#valid)_AFTER_CALL_261| .cse0))) (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse2 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_260|))) (and (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse1 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_259|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_259| (store |v_#valid_BEFORE_CALL_460| .cse1 (select |v_old(#valid)_AFTER_CALL_259| .cse1))) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse1)))) (= (store |v_old(#valid)_AFTER_CALL_259| .cse2 (select |v_old(#valid)_AFTER_CALL_260| .cse2)) |v_old(#valid)_AFTER_CALL_260|) (= .cse2 |c_ULTIMATE.start_l3_insert_~item~1#1.base|))))))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)))) (and (exists ((|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (= (select |c_#valid| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base|) 1)) .cse3) (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (and (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse4 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_261|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_#valid_BEFORE_CALL_460| .cse4 (select |v_old(#valid)_AFTER_CALL_261| .cse4))) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse4)))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)))) (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (and (exists ((|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse6 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|))) (and (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse5 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_260|))) (and (= (store |v_old(#valid)_AFTER_CALL_259| .cse5 (select |v_old(#valid)_AFTER_CALL_260| .cse5)) |v_old(#valid)_AFTER_CALL_260|) (= .cse5 |c_ULTIMATE.start_l3_insert_~item~1#1.base|) (= (select |v_old(#valid)_AFTER_CALL_259| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)))) (= |c_ULTIMATE.start_l4_insert_~item~0#1.base| .cse6) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse6 (select |v_old(#valid)_AFTER_CALL_261| .cse6)))))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)))) (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (and (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse7 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_261|))) (and (= .cse7 |c_ULTIMATE.start_l3_insert_~item~1#1.base|) (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse8 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_259|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_259| (store |v_#valid_BEFORE_CALL_460| .cse8 (select |v_old(#valid)_AFTER_CALL_259| .cse8))) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse8)))) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_259| .cse7 (select |v_old(#valid)_AFTER_CALL_261| .cse7)))))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)))) (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (and (exists ((|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse10 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|))) (and (exists ((|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse9 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_260|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse9) (= |v_old(#valid)_AFTER_CALL_260| (store |v_#valid_BEFORE_CALL_460| .cse9 (select |v_old(#valid)_AFTER_CALL_260| .cse9)))))) (= |c_ULTIMATE.start_l4_insert_~item~0#1.base| .cse10) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse10 (select |v_old(#valid)_AFTER_CALL_261| .cse10)))))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)))) (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (and (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (exists ((|v_old(#valid)_AFTER_CALL_259| (Array Int Int))) (let ((.cse11 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_261|))) (and (= .cse11 |c_ULTIMATE.start_l3_insert_~item~1#1.base|) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_259| .cse11 (select |v_old(#valid)_AFTER_CALL_261| .cse11))) (= (select |v_old(#valid)_AFTER_CALL_259| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)))))) (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (and (exists ((|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse12 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|))) (and (= (select |v_old(#valid)_AFTER_CALL_260| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |c_ULTIMATE.start_l4_insert_~item~0#1.base| .cse12) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse12 (select |v_old(#valid)_AFTER_CALL_261| .cse12)))))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1))))) (or (= |c_ULTIMATE.start_l1_insert_~list#1.base| |c_ULTIMATE.start_l3_insert_~item~1#1.base|) .cse3 (= |c_ULTIMATE.start_l4_insert_~item~0#1.base| |c_ULTIMATE.start_l1_insert_~list#1.base|) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| |c_ULTIMATE.start_l1_insert_~list#1.base|) (= |c_ULTIMATE.start_l2_insert_~list#1.base| |c_ULTIMATE.start_l1_insert_~list#1.base|)))) is different from true [2024-11-14 02:53:38,102 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse7 (= (select |c_#valid| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1))) (and (let ((.cse0 (exists ((|ULTIMATE.start_l4_insert_~item~0#1.base| Int)) (= (select |c_#valid| |ULTIMATE.start_l4_insert_~item~0#1.base|) 1)))) (or (and .cse0 (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_259| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse1 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_261|)) (.cse2 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_259|))) (and (= .cse1 |c_ULTIMATE.start_l3_insert_~item~1#1.base|) (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_259| .cse1 (select |v_old(#valid)_AFTER_CALL_261| .cse1))) (= |v_old(#valid)_AFTER_CALL_259| (store |v_#valid_BEFORE_CALL_460| .cse2 (select |v_old(#valid)_AFTER_CALL_259| .cse2))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse2))))) (and .cse0 (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_259| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (let ((.cse3 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_261|))) (and (= .cse3 |c_ULTIMATE.start_l3_insert_~item~1#1.base|) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_259| .cse3 (select |v_old(#valid)_AFTER_CALL_261| .cse3))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= (select |v_old(#valid)_AFTER_CALL_259| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1))))) (and .cse0 (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse4 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_261|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_#valid_BEFORE_CALL_460| .cse4 (select |v_old(#valid)_AFTER_CALL_261| .cse4))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse4))))) (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_#valid_BEFORE_CALL_460| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse5 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|)) (.cse6 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_260|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= (select |c_#valid| .cse5) 1) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse6) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse5 (select |v_old(#valid)_AFTER_CALL_261| .cse5))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= |v_old(#valid)_AFTER_CALL_260| (store |v_#valid_BEFORE_CALL_460| .cse6 (select |v_old(#valid)_AFTER_CALL_260| .cse6)))))) (and (exists ((|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (= (select |c_#valid| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base|) 1)) .cse0 .cse7) (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_259| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_#valid_BEFORE_CALL_460| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse9 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|)) (.cse10 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_259|)) (.cse8 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_260|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= (store |v_old(#valid)_AFTER_CALL_259| .cse8 (select |v_old(#valid)_AFTER_CALL_260| .cse8)) |v_old(#valid)_AFTER_CALL_260|) (= (select |c_#valid| .cse9) 1) (= |v_old(#valid)_AFTER_CALL_259| (store |v_#valid_BEFORE_CALL_460| .cse10 (select |v_old(#valid)_AFTER_CALL_259| .cse10))) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse9 (select |v_old(#valid)_AFTER_CALL_261| .cse9))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse10) (= .cse8 |c_ULTIMATE.start_l3_insert_~item~1#1.base|)))) (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_259| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse12 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|)) (.cse11 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_260|))) (and (= (store |v_old(#valid)_AFTER_CALL_259| .cse11 (select |v_old(#valid)_AFTER_CALL_260| .cse11)) |v_old(#valid)_AFTER_CALL_260|) (= (select |c_#valid| .cse12) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse12 (select |v_old(#valid)_AFTER_CALL_261| .cse12))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= .cse11 |c_ULTIMATE.start_l3_insert_~item~1#1.base|) (= (select |v_old(#valid)_AFTER_CALL_259| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)))) (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse13 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|))) (and (= (select |c_#valid| .cse13) 1) (= (select |v_old(#valid)_AFTER_CALL_260| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse13 (select |v_old(#valid)_AFTER_CALL_261| .cse13))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1))))))) (or (= |c_ULTIMATE.start_l1_insert_~list#1.base| |c_ULTIMATE.start_l3_insert_~item~1#1.base|) .cse7 (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| |c_ULTIMATE.start_l1_insert_~list#1.base|) (= |c_ULTIMATE.start_l2_insert_~list#1.base| |c_ULTIMATE.start_l1_insert_~list#1.base|)))) is different from false [2024-11-14 02:53:38,115 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse7 (= (select |c_#valid| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1))) (and (let ((.cse0 (exists ((|ULTIMATE.start_l4_insert_~item~0#1.base| Int)) (= (select |c_#valid| |ULTIMATE.start_l4_insert_~item~0#1.base|) 1)))) (or (and .cse0 (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_259| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse1 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_261|)) (.cse2 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_259|))) (and (= .cse1 |c_ULTIMATE.start_l3_insert_~item~1#1.base|) (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_259| .cse1 (select |v_old(#valid)_AFTER_CALL_261| .cse1))) (= |v_old(#valid)_AFTER_CALL_259| (store |v_#valid_BEFORE_CALL_460| .cse2 (select |v_old(#valid)_AFTER_CALL_259| .cse2))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse2))))) (and .cse0 (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_259| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (let ((.cse3 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_261|))) (and (= .cse3 |c_ULTIMATE.start_l3_insert_~item~1#1.base|) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_259| .cse3 (select |v_old(#valid)_AFTER_CALL_261| .cse3))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= (select |v_old(#valid)_AFTER_CALL_259| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1))))) (and .cse0 (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse4 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_261|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_#valid_BEFORE_CALL_460| .cse4 (select |v_old(#valid)_AFTER_CALL_261| .cse4))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse4))))) (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_#valid_BEFORE_CALL_460| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse5 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|)) (.cse6 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_260|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= (select |c_#valid| .cse5) 1) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse6) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse5 (select |v_old(#valid)_AFTER_CALL_261| .cse5))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= |v_old(#valid)_AFTER_CALL_260| (store |v_#valid_BEFORE_CALL_460| .cse6 (select |v_old(#valid)_AFTER_CALL_260| .cse6)))))) (and (exists ((|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (= (select |c_#valid| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base|) 1)) .cse0 .cse7) (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_259| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_#valid_BEFORE_CALL_460| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse9 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|)) (.cse10 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_259|)) (.cse8 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_260|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= (store |v_old(#valid)_AFTER_CALL_259| .cse8 (select |v_old(#valid)_AFTER_CALL_260| .cse8)) |v_old(#valid)_AFTER_CALL_260|) (= (select |c_#valid| .cse9) 1) (= |v_old(#valid)_AFTER_CALL_259| (store |v_#valid_BEFORE_CALL_460| .cse10 (select |v_old(#valid)_AFTER_CALL_259| .cse10))) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse9 (select |v_old(#valid)_AFTER_CALL_261| .cse9))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse10) (= .cse8 |c_ULTIMATE.start_l3_insert_~item~1#1.base|)))) (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_259| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse12 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|)) (.cse11 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_260|))) (and (= (store |v_old(#valid)_AFTER_CALL_259| .cse11 (select |v_old(#valid)_AFTER_CALL_260| .cse11)) |v_old(#valid)_AFTER_CALL_260|) (= (select |c_#valid| .cse12) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse12 (select |v_old(#valid)_AFTER_CALL_261| .cse12))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= .cse11 |c_ULTIMATE.start_l3_insert_~item~1#1.base|) (= (select |v_old(#valid)_AFTER_CALL_259| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)))) (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse13 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|))) (and (= (select |c_#valid| .cse13) 1) (= (select |v_old(#valid)_AFTER_CALL_260| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse13 (select |v_old(#valid)_AFTER_CALL_261| .cse13))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1))))))) (or (= |c_ULTIMATE.start_l1_insert_~list#1.base| |c_ULTIMATE.start_l3_insert_~item~1#1.base|) .cse7 (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| |c_ULTIMATE.start_l1_insert_~list#1.base|) (= |c_ULTIMATE.start_l2_insert_~list#1.base| |c_ULTIMATE.start_l1_insert_~list#1.base|)))) is different from true [2024-11-14 02:53:40,129 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (= (select |c_#valid| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1))) (and (or .cse0 (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| |c_ULTIMATE.start_l1_insert_~list#1.base|) (= |c_ULTIMATE.start_l2_insert_~list#1.base| |c_ULTIMATE.start_l1_insert_~list#1.base|)) (let ((.cse4 (exists ((|ULTIMATE.start_l4_insert_~item~0#1.base| Int)) (= (select |c_#valid| |ULTIMATE.start_l4_insert_~item~0#1.base|) 1))) (.cse3 (exists ((|ULTIMATE.start_l3_insert_~item~1#1.base| Int)) (= (select |c_#valid| |ULTIMATE.start_l3_insert_~item~1#1.base|) 1)))) (or (and (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_old(#valid)_AFTER_CALL_260| (Array Int Int)) (|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse1 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|)) (.cse2 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_260|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= (select |c_#valid| .cse1) 1) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse2) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse1 (select |v_old(#valid)_AFTER_CALL_261| .cse1))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= |v_old(#valid)_AFTER_CALL_260| (store |v_#valid_BEFORE_CALL_460| .cse2 (select |v_old(#valid)_AFTER_CALL_260| .cse2)))))) .cse3) (and .cse4 (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_259| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse6 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_259|)) (.cse5 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_261|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_259| .cse5 (select |v_old(#valid)_AFTER_CALL_261| .cse5))) (= |v_old(#valid)_AFTER_CALL_259| (store |v_#valid_BEFORE_CALL_460| .cse6 (select |v_old(#valid)_AFTER_CALL_259| .cse6))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse6) (= 1 (select |c_#valid| .cse5)))))) (and (exists ((|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (= (select |c_#valid| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base|) 1)) .cse4 .cse3 .cse0) (and (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_259| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (let ((.cse7 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_261|))) (and (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_259| .cse7 (select |v_old(#valid)_AFTER_CALL_261| .cse7))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= 1 (select |c_#valid| .cse7)) (= (select |v_old(#valid)_AFTER_CALL_259| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)))) .cse4) (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_259| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_#valid_BEFORE_CALL_460| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse9 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|)) (.cse10 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_259|)) (.cse8 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_260|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= (store |v_old(#valid)_AFTER_CALL_259| .cse8 (select |v_old(#valid)_AFTER_CALL_260| .cse8)) |v_old(#valid)_AFTER_CALL_260|) (= (select |c_#valid| .cse9) 1) (= |v_old(#valid)_AFTER_CALL_259| (store |v_#valid_BEFORE_CALL_460| .cse10 (select |v_old(#valid)_AFTER_CALL_259| .cse10))) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse9 (select |v_old(#valid)_AFTER_CALL_261| .cse9))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse10) (= (select |c_#valid| .cse8) 1)))) (and .cse3 (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse11 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|))) (and (= (select |c_#valid| .cse11) 1) (= (select |v_old(#valid)_AFTER_CALL_260| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse11 (select |v_old(#valid)_AFTER_CALL_261| .cse11))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)))))) (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_259| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse13 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|)) (.cse12 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_260|))) (and (= (store |v_old(#valid)_AFTER_CALL_259| .cse12 (select |v_old(#valid)_AFTER_CALL_260| .cse12)) |v_old(#valid)_AFTER_CALL_260|) (= (select |c_#valid| .cse13) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse13 (select |v_old(#valid)_AFTER_CALL_261| .cse13))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= (select |c_#valid| .cse12) 1) (= (select |v_old(#valid)_AFTER_CALL_259| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)))) (and .cse4 (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse14 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_261|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_#valid_BEFORE_CALL_460| .cse14 (select |v_old(#valid)_AFTER_CALL_261| .cse14))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse14)))) .cse3))))) is different from false [2024-11-14 02:53:40,142 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 (= (select |c_#valid| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1))) (and (or .cse0 (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| |c_ULTIMATE.start_l1_insert_~list#1.base|) (= |c_ULTIMATE.start_l2_insert_~list#1.base| |c_ULTIMATE.start_l1_insert_~list#1.base|)) (let ((.cse4 (exists ((|ULTIMATE.start_l4_insert_~item~0#1.base| Int)) (= (select |c_#valid| |ULTIMATE.start_l4_insert_~item~0#1.base|) 1))) (.cse3 (exists ((|ULTIMATE.start_l3_insert_~item~1#1.base| Int)) (= (select |c_#valid| |ULTIMATE.start_l3_insert_~item~1#1.base|) 1)))) (or (and (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_old(#valid)_AFTER_CALL_260| (Array Int Int)) (|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse1 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|)) (.cse2 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_260|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= (select |c_#valid| .cse1) 1) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse2) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse1 (select |v_old(#valid)_AFTER_CALL_261| .cse1))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= |v_old(#valid)_AFTER_CALL_260| (store |v_#valid_BEFORE_CALL_460| .cse2 (select |v_old(#valid)_AFTER_CALL_260| .cse2)))))) .cse3) (and .cse4 (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_259| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse6 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_259|)) (.cse5 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_261|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_259| .cse5 (select |v_old(#valid)_AFTER_CALL_261| .cse5))) (= |v_old(#valid)_AFTER_CALL_259| (store |v_#valid_BEFORE_CALL_460| .cse6 (select |v_old(#valid)_AFTER_CALL_259| .cse6))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse6) (= 1 (select |c_#valid| .cse5)))))) (and (exists ((|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (= (select |c_#valid| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base|) 1)) .cse4 .cse3 .cse0) (and (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_259| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (let ((.cse7 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_261|))) (and (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_259| .cse7 (select |v_old(#valid)_AFTER_CALL_261| .cse7))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= 1 (select |c_#valid| .cse7)) (= (select |v_old(#valid)_AFTER_CALL_259| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)))) .cse4) (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_259| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_#valid_BEFORE_CALL_460| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse9 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|)) (.cse10 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_259|)) (.cse8 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_260|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= (store |v_old(#valid)_AFTER_CALL_259| .cse8 (select |v_old(#valid)_AFTER_CALL_260| .cse8)) |v_old(#valid)_AFTER_CALL_260|) (= (select |c_#valid| .cse9) 1) (= |v_old(#valid)_AFTER_CALL_259| (store |v_#valid_BEFORE_CALL_460| .cse10 (select |v_old(#valid)_AFTER_CALL_259| .cse10))) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse9 (select |v_old(#valid)_AFTER_CALL_261| .cse9))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse10) (= (select |c_#valid| .cse8) 1)))) (and .cse3 (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse11 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|))) (and (= (select |c_#valid| .cse11) 1) (= (select |v_old(#valid)_AFTER_CALL_260| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse11 (select |v_old(#valid)_AFTER_CALL_261| .cse11))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)))))) (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_259| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse13 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|)) (.cse12 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_260|))) (and (= (store |v_old(#valid)_AFTER_CALL_259| .cse12 (select |v_old(#valid)_AFTER_CALL_260| .cse12)) |v_old(#valid)_AFTER_CALL_260|) (= (select |c_#valid| .cse13) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse13 (select |v_old(#valid)_AFTER_CALL_261| .cse13))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= (select |c_#valid| .cse12) 1) (= (select |v_old(#valid)_AFTER_CALL_259| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)))) (and .cse4 (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse14 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_261|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_#valid_BEFORE_CALL_460| .cse14 (select |v_old(#valid)_AFTER_CALL_261| .cse14))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse14)))) .cse3))))) is different from true [2024-11-14 02:53:42,161 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse6 (= (select |c_#valid| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1))) (and (let ((.cse3 (exists ((|ULTIMATE.start_l4_insert_~item~0#1.base| Int)) (= (select |c_#valid| |ULTIMATE.start_l4_insert_~item~0#1.base|) 1))) (.cse2 (exists ((|ULTIMATE.start_l3_insert_~item~1#1.base| Int)) (= (select |c_#valid| |ULTIMATE.start_l3_insert_~item~1#1.base|) 1)))) (or (and (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_old(#valid)_AFTER_CALL_260| (Array Int Int)) (|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse0 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|)) (.cse1 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_260|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= (select |c_#valid| .cse0) 1) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse0 (select |v_old(#valid)_AFTER_CALL_261| .cse0))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= |v_old(#valid)_AFTER_CALL_260| (store |v_#valid_BEFORE_CALL_460| .cse1 (select |v_old(#valid)_AFTER_CALL_260| .cse1)))))) .cse2) (and .cse3 (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_259| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse5 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_259|)) (.cse4 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_261|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_259| .cse4 (select |v_old(#valid)_AFTER_CALL_261| .cse4))) (= |v_old(#valid)_AFTER_CALL_259| (store |v_#valid_BEFORE_CALL_460| .cse5 (select |v_old(#valid)_AFTER_CALL_259| .cse5))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse5) (= 1 (select |c_#valid| .cse4)))))) (and (exists ((|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (= (select |c_#valid| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base|) 1)) .cse3 .cse2 .cse6) (and (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_259| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (let ((.cse7 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_261|))) (and (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_259| .cse7 (select |v_old(#valid)_AFTER_CALL_261| .cse7))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= 1 (select |c_#valid| .cse7)) (= (select |v_old(#valid)_AFTER_CALL_259| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)))) .cse3) (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_259| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_#valid_BEFORE_CALL_460| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse9 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|)) (.cse10 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_259|)) (.cse8 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_260|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= (store |v_old(#valid)_AFTER_CALL_259| .cse8 (select |v_old(#valid)_AFTER_CALL_260| .cse8)) |v_old(#valid)_AFTER_CALL_260|) (= (select |c_#valid| .cse9) 1) (= |v_old(#valid)_AFTER_CALL_259| (store |v_#valid_BEFORE_CALL_460| .cse10 (select |v_old(#valid)_AFTER_CALL_259| .cse10))) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse9 (select |v_old(#valid)_AFTER_CALL_261| .cse9))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse10) (= (select |c_#valid| .cse8) 1)))) (and .cse2 (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse11 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|))) (and (= (select |c_#valid| .cse11) 1) (= (select |v_old(#valid)_AFTER_CALL_260| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse11 (select |v_old(#valid)_AFTER_CALL_261| .cse11))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)))))) (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_259| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse13 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|)) (.cse12 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_260|))) (and (= (store |v_old(#valid)_AFTER_CALL_259| .cse12 (select |v_old(#valid)_AFTER_CALL_260| .cse12)) |v_old(#valid)_AFTER_CALL_260|) (= (select |c_#valid| .cse13) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse13 (select |v_old(#valid)_AFTER_CALL_261| .cse13))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= (select |c_#valid| .cse12) 1) (= (select |v_old(#valid)_AFTER_CALL_259| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)))) (and .cse3 (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse14 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_261|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_#valid_BEFORE_CALL_460| .cse14 (select |v_old(#valid)_AFTER_CALL_261| .cse14))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse14)))) .cse2))) (or .cse6 (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| |c_ULTIMATE.start_l1_insert_~list#1.base|)))) is different from false [2024-11-14 02:53:42,174 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse6 (= (select |c_#valid| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1))) (and (let ((.cse3 (exists ((|ULTIMATE.start_l4_insert_~item~0#1.base| Int)) (= (select |c_#valid| |ULTIMATE.start_l4_insert_~item~0#1.base|) 1))) (.cse2 (exists ((|ULTIMATE.start_l3_insert_~item~1#1.base| Int)) (= (select |c_#valid| |ULTIMATE.start_l3_insert_~item~1#1.base|) 1)))) (or (and (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_old(#valid)_AFTER_CALL_260| (Array Int Int)) (|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse0 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|)) (.cse1 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_260|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= (select |c_#valid| .cse0) 1) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse0 (select |v_old(#valid)_AFTER_CALL_261| .cse0))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= |v_old(#valid)_AFTER_CALL_260| (store |v_#valid_BEFORE_CALL_460| .cse1 (select |v_old(#valid)_AFTER_CALL_260| .cse1)))))) .cse2) (and .cse3 (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_259| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse5 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_259|)) (.cse4 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_261|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_259| .cse4 (select |v_old(#valid)_AFTER_CALL_261| .cse4))) (= |v_old(#valid)_AFTER_CALL_259| (store |v_#valid_BEFORE_CALL_460| .cse5 (select |v_old(#valid)_AFTER_CALL_259| .cse5))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse5) (= 1 (select |c_#valid| .cse4)))))) (and (exists ((|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (= (select |c_#valid| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base|) 1)) .cse3 .cse2 .cse6) (and (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_259| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (let ((.cse7 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_261|))) (and (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_259| .cse7 (select |v_old(#valid)_AFTER_CALL_261| .cse7))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= 1 (select |c_#valid| .cse7)) (= (select |v_old(#valid)_AFTER_CALL_259| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)))) .cse3) (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_259| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_#valid_BEFORE_CALL_460| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse9 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|)) (.cse10 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_259|)) (.cse8 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_260|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= (store |v_old(#valid)_AFTER_CALL_259| .cse8 (select |v_old(#valid)_AFTER_CALL_260| .cse8)) |v_old(#valid)_AFTER_CALL_260|) (= (select |c_#valid| .cse9) 1) (= |v_old(#valid)_AFTER_CALL_259| (store |v_#valid_BEFORE_CALL_460| .cse10 (select |v_old(#valid)_AFTER_CALL_259| .cse10))) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse9 (select |v_old(#valid)_AFTER_CALL_261| .cse9))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse10) (= (select |c_#valid| .cse8) 1)))) (and .cse2 (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse11 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|))) (and (= (select |c_#valid| .cse11) 1) (= (select |v_old(#valid)_AFTER_CALL_260| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse11 (select |v_old(#valid)_AFTER_CALL_261| .cse11))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)))))) (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_259| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse13 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|)) (.cse12 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_260|))) (and (= (store |v_old(#valid)_AFTER_CALL_259| .cse12 (select |v_old(#valid)_AFTER_CALL_260| .cse12)) |v_old(#valid)_AFTER_CALL_260|) (= (select |c_#valid| .cse13) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse13 (select |v_old(#valid)_AFTER_CALL_261| .cse13))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= (select |c_#valid| .cse12) 1) (= (select |v_old(#valid)_AFTER_CALL_259| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)))) (and .cse3 (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse14 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_261|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_#valid_BEFORE_CALL_460| .cse14 (select |v_old(#valid)_AFTER_CALL_261| .cse14))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| .cse14)))) .cse2))) (or .cse6 (= |c_ULTIMATE.start_l2_insert_~item~2#1.base| |c_ULTIMATE.start_l1_insert_~list#1.base|)))) is different from true [2024-11-14 02:53:44,189 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (= (select |c_#valid| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1))) (and .cse0 (let ((.cse8 (exists ((|ULTIMATE.start_l4_insert_~item~0#1.base| Int)) (= (select |c_#valid| |ULTIMATE.start_l4_insert_~item~0#1.base|) 1))) (.cse6 (exists ((|ULTIMATE.start_l3_insert_~item~1#1.base| Int)) (= (select |c_#valid| |ULTIMATE.start_l3_insert_~item~1#1.base|) 1))) (.cse7 (exists ((|ULTIMATE.start_l2_insert_~item~2#1.base| Int)) (= (select |c_#valid| |ULTIMATE.start_l2_insert_~item~2#1.base|) 1)))) (or (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_259| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_#valid_BEFORE_CALL_460| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse2 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|)) (.cse3 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_259|)) (.cse1 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_260|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= (store |v_old(#valid)_AFTER_CALL_259| .cse1 (select |v_old(#valid)_AFTER_CALL_260| .cse1)) |v_old(#valid)_AFTER_CALL_260|) (= (select |c_#valid| .cse2) 1) (= |v_old(#valid)_AFTER_CALL_259| (store |v_#valid_BEFORE_CALL_460| .cse3 (select |v_old(#valid)_AFTER_CALL_259| .cse3))) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse2 (select |v_old(#valid)_AFTER_CALL_261| .cse2))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= (select |c_#valid| .cse3) 1) (= (select |c_#valid| .cse1) 1)))) (and (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_#valid_BEFORE_CALL_460| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse5 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|)) (.cse4 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_260|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= (select |c_#valid| .cse4) 1) (= (select |c_#valid| .cse5) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse5 (select |v_old(#valid)_AFTER_CALL_261| .cse5))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= |v_old(#valid)_AFTER_CALL_260| (store |v_#valid_BEFORE_CALL_460| .cse4 (select |v_old(#valid)_AFTER_CALL_260| .cse4)))))) .cse6) (and .cse7 (exists ((|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (= (select |c_#valid| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base|) 1)) .cse8 .cse6 .cse0) (and .cse7 (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_259| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (let ((.cse9 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_261|))) (and (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_259| .cse9 (select |v_old(#valid)_AFTER_CALL_261| .cse9))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= 1 (select |c_#valid| .cse9)) (= (select |v_old(#valid)_AFTER_CALL_259| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)))) .cse8) (and .cse7 .cse6 (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse10 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|))) (and (= (select |c_#valid| .cse10) 1) (= (select |v_old(#valid)_AFTER_CALL_260| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse10 (select |v_old(#valid)_AFTER_CALL_261| .cse10))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)))))) (and .cse8 (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_259| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse12 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_259|)) (.cse11 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_261|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_259| .cse11 (select |v_old(#valid)_AFTER_CALL_261| .cse11))) (= |v_old(#valid)_AFTER_CALL_259| (store |v_#valid_BEFORE_CALL_460| .cse12 (select |v_old(#valid)_AFTER_CALL_259| .cse12))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= (select |c_#valid| .cse12) 1) (= 1 (select |c_#valid| .cse11)))))) (and .cse8 .cse6 (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse13 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_261|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_#valid_BEFORE_CALL_460| .cse13 (select |v_old(#valid)_AFTER_CALL_261| .cse13))) (= (select |c_#valid| .cse13) 1) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)))))) (and .cse7 (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_259| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse15 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|)) (.cse14 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_260|))) (and (= (store |v_old(#valid)_AFTER_CALL_259| .cse14 (select |v_old(#valid)_AFTER_CALL_260| .cse14)) |v_old(#valid)_AFTER_CALL_260|) (= (select |c_#valid| .cse15) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse15 (select |v_old(#valid)_AFTER_CALL_261| .cse15))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= (select |c_#valid| .cse14) 1) (= (select |v_old(#valid)_AFTER_CALL_259| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1))))))))) is different from false [2024-11-14 02:53:44,200 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 (= (select |c_#valid| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1))) (and .cse0 (let ((.cse8 (exists ((|ULTIMATE.start_l4_insert_~item~0#1.base| Int)) (= (select |c_#valid| |ULTIMATE.start_l4_insert_~item~0#1.base|) 1))) (.cse6 (exists ((|ULTIMATE.start_l3_insert_~item~1#1.base| Int)) (= (select |c_#valid| |ULTIMATE.start_l3_insert_~item~1#1.base|) 1))) (.cse7 (exists ((|ULTIMATE.start_l2_insert_~item~2#1.base| Int)) (= (select |c_#valid| |ULTIMATE.start_l2_insert_~item~2#1.base|) 1)))) (or (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_259| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_#valid_BEFORE_CALL_460| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse2 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|)) (.cse3 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_259|)) (.cse1 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_260|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= (store |v_old(#valid)_AFTER_CALL_259| .cse1 (select |v_old(#valid)_AFTER_CALL_260| .cse1)) |v_old(#valid)_AFTER_CALL_260|) (= (select |c_#valid| .cse2) 1) (= |v_old(#valid)_AFTER_CALL_259| (store |v_#valid_BEFORE_CALL_460| .cse3 (select |v_old(#valid)_AFTER_CALL_259| .cse3))) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse2 (select |v_old(#valid)_AFTER_CALL_261| .cse2))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= (select |c_#valid| .cse3) 1) (= (select |c_#valid| .cse1) 1)))) (and (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_#valid_BEFORE_CALL_460| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse5 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|)) (.cse4 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_260|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= (select |c_#valid| .cse4) 1) (= (select |c_#valid| .cse5) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse5 (select |v_old(#valid)_AFTER_CALL_261| .cse5))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= |v_old(#valid)_AFTER_CALL_260| (store |v_#valid_BEFORE_CALL_460| .cse4 (select |v_old(#valid)_AFTER_CALL_260| .cse4)))))) .cse6) (and .cse7 (exists ((|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (= (select |c_#valid| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base|) 1)) .cse8 .cse6 .cse0) (and .cse7 (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_259| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (let ((.cse9 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_261|))) (and (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_259| .cse9 (select |v_old(#valid)_AFTER_CALL_261| .cse9))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= 1 (select |c_#valid| .cse9)) (= (select |v_old(#valid)_AFTER_CALL_259| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1)))) .cse8) (and .cse7 .cse6 (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse10 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|))) (and (= (select |c_#valid| .cse10) 1) (= (select |v_old(#valid)_AFTER_CALL_260| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse10 (select |v_old(#valid)_AFTER_CALL_261| .cse10))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)))))) (and .cse8 (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_259| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse12 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_259|)) (.cse11 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_261|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_259| .cse11 (select |v_old(#valid)_AFTER_CALL_261| .cse11))) (= |v_old(#valid)_AFTER_CALL_259| (store |v_#valid_BEFORE_CALL_460| .cse12 (select |v_old(#valid)_AFTER_CALL_259| .cse12))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= (select |c_#valid| .cse12) 1) (= 1 (select |c_#valid| .cse11)))))) (and .cse8 .cse6 (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_#valid_BEFORE_CALL_460| (Array Int Int))) (let ((.cse13 (@diff |v_#valid_BEFORE_CALL_460| |v_old(#valid)_AFTER_CALL_261|))) (and (= (select |v_#valid_BEFORE_CALL_460| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_#valid_BEFORE_CALL_460| .cse13 (select |v_old(#valid)_AFTER_CALL_261| .cse13))) (= (select |c_#valid| .cse13) 1) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)))))) (and .cse7 (exists ((|v_old(#valid)_AFTER_CALL_261| (Array Int Int)) (|v_old(#valid)_AFTER_CALL_259| (Array Int Int)) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int) (|v_old(#valid)_AFTER_CALL_260| (Array Int Int))) (let ((.cse15 (@diff |v_old(#valid)_AFTER_CALL_260| |v_old(#valid)_AFTER_CALL_261|)) (.cse14 (@diff |v_old(#valid)_AFTER_CALL_259| |v_old(#valid)_AFTER_CALL_260|))) (and (= (store |v_old(#valid)_AFTER_CALL_259| .cse14 (select |v_old(#valid)_AFTER_CALL_260| .cse14)) |v_old(#valid)_AFTER_CALL_260|) (= (select |c_#valid| .cse15) 1) (= |v_old(#valid)_AFTER_CALL_261| (store |v_old(#valid)_AFTER_CALL_260| .cse15 (select |v_old(#valid)_AFTER_CALL_261| .cse15))) (= |c_#valid| (store |v_old(#valid)_AFTER_CALL_261| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| 1)) (= (select |c_#valid| .cse14) 1) (= (select |v_old(#valid)_AFTER_CALL_259| |c_ULTIMATE.start_l1_insert_~list#1.base|) 1))))))))) is different from true [2024-11-14 02:53:45,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:53:45,719 INFO L93 Difference]: Finished difference Result 449 states and 537 transitions. [2024-11-14 02:53:45,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-14 02:53:45,719 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 31 states have (on average 2.5161290322580645) internal successors, (78), 27 states have internal predecessors, (78), 9 states have call successors, (10), 2 states have call predecessors, (10), 5 states have return successors, (11), 11 states have call predecessors, (11), 9 states have call successors, (11) Word has length 123 [2024-11-14 02:53:45,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:53:45,722 INFO L225 Difference]: With dead ends: 449 [2024-11-14 02:53:45,722 INFO L226 Difference]: Without dead ends: 449 [2024-11-14 02:53:45,723 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 215 SyntacticMatches, 10 SemanticMatches, 88 ConstructedPredicates, 23 IntricatePredicates, 0 DeprecatedPredicates, 1491 ImplicationChecksByTransitivity, 115.6s TimeCoverageRelationStatistics Valid=407, Invalid=4047, Unknown=60, NotChecked=3496, Total=8010 [2024-11-14 02:53:45,723 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 219 mSDsluCounter, 1813 mSDsCounter, 0 mSdLazyCounter, 1467 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 1975 SdHoareTripleChecker+Invalid, 6602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 1467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 5081 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-14 02:53:45,724 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 1975 Invalid, 6602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 1467 Invalid, 0 Unknown, 5081 Unchecked, 1.6s Time] [2024-11-14 02:53:45,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2024-11-14 02:53:45,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 357. [2024-11-14 02:53:45,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 257 states have (on average 1.424124513618677) internal successors, (366), 322 states have internal predecessors, (366), 29 states have call successors, (29), 5 states have call predecessors, (29), 5 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-14 02:53:45,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 424 transitions. [2024-11-14 02:53:45,736 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 424 transitions. Word has length 123 [2024-11-14 02:53:45,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:53:45,736 INFO L471 AbstractCegarLoop]: Abstraction has 357 states and 424 transitions. [2024-11-14 02:53:45,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 31 states have (on average 2.5161290322580645) internal successors, (78), 27 states have internal predecessors, (78), 9 states have call successors, (10), 2 states have call predecessors, (10), 5 states have return successors, (11), 11 states have call predecessors, (11), 9 states have call successors, (11) [2024-11-14 02:53:45,737 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 424 transitions. [2024-11-14 02:53:45,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-14 02:53:45,738 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:53:45,738 INFO L215 NwaCegarLoop]: trace histogram [62, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:53:45,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-14 02:53:45,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:53:45,939 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 86 more)] === [2024-11-14 02:53:45,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:53:45,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1647727270, now seen corresponding path program 1 times [2024-11-14 02:53:45,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:53:45,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963743814] [2024-11-14 02:53:45,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:53:45,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:53:46,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:53:51,536 INFO L134 CoverageAnalysis]: Checked inductivity of 2338 backedges. 169 proven. 1674 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2024-11-14 02:53:51,537 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:53:51,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963743814] [2024-11-14 02:53:51,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963743814] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 02:53:51,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1351944445] [2024-11-14 02:53:51,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:53:51,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:53:51,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:53:51,541 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 02:53:51,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a08132-de8f-46f7-92a7-41d851516ef3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-14 02:53:53,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:53:53,636 INFO L255 TraceCheckSpWp]: Trace formula consists of 1553 conjuncts, 155 conjuncts are in the unsatisfiable core [2024-11-14 02:53:53,645 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:53:53,653 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2024-11-14 02:53:58,431 WARN L873 $PredicateComparison]: unable to prove that (exists ((|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (and (= (store |c_old(#length)| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| (select |c_#length| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base|)) |c_#length|) (= |c_#valid| (store |c_old(#valid)| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| (select |c_#valid| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base|))) (= (select |c_old(#valid)| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base|) 0))) is different from true [2024-11-14 02:53:58,566 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-14 02:53:58,567 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-14 02:53:58,574 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-11-14 02:53:59,051 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-11-14 02:53:59,051 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2024-11-14 02:53:59,079 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2024-11-14 02:53:59,079 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2024-11-14 02:53:59,696 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-11-14 02:53:59,696 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 17 [2024-11-14 02:53:59,742 INFO L349 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2024-11-14 02:53:59,742 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 16 treesize of output 18 [2024-11-14 02:54:00,417 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-11-14 02:54:00,417 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 17 [2024-11-14 02:54:00,642 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_zalloc_or_die_calloc_model_~size#1_400| Int) (|v_zalloc_or_die_calloc_model_~nmemb#1_400| Int) (|zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| Int)) (let ((.cse0 (select |c_#length| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base|)) (.cse1 (* |v_zalloc_or_die_calloc_model_~size#1_400| |v_zalloc_or_die_calloc_model_~nmemb#1_400|))) (and (= (store |c_old(#length)| |zalloc_or_die_#Ultimate.C_memset_#ptr#1.base| .cse0) |c_#length|) (<= (mod .cse1 4294967296) .cse0) (= |c_zalloc_or_die_#Ultimate.C_memset_#amount#1| .cse1)))) is different from true [2024-11-14 02:54:27,950 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-11-14 02:54:27,950 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2024-11-14 02:54:39,345 INFO L134 CoverageAnalysis]: Checked inductivity of 2338 backedges. 5 proven. 1540 refuted. 0 times theorem prover too weak. 239 trivial. 554 not checked. [2024-11-14 02:54:39,345 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:54:46,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1351944445] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 02:54:46,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [924389828] [2024-11-14 02:54:46,525 INFO L159 IcfgInterpreter]: Started Sifa with 37 locations of interest [2024-11-14 02:54:46,525 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 02:54:46,525 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 02:54:46,525 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 02:54:46,525 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 02:54:47,878 INFO L197 IcfgInterpreter]: Interpreting procedure zalloc_or_die with input of size 65 for LOIs [2024-11-14 02:54:48,017 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 02:55:12,629 WARN L286 SmtUtils]: Spent 15.06s on a formula simplification. DAG size of input: 221 DAG size of output: 211 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 02:57:39,445 WARN L286 SmtUtils]: Spent 6.90s on a formula simplification. DAG size of input: 206 DAG size of output: 196 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 02:58:21,322 WARN L286 SmtUtils]: Spent 20.30s on a formula simplification. DAG size of input: 227 DAG size of output: 217 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 02:58:21,324 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '19075#(and (<= 1 |#StackHeapBarrier|) (= |~#list~0.offset| 0) (= |ULTIMATE.start_l0_insert_~list#1.base| 3) (exists ((|v_#memory_int_731| (Array Int (Array Int Int))) (|v_#memory_int_730| (Array Int (Array Int Int))) (|v_#memory_int_733| (Array Int (Array Int Int))) (|v_zalloc_or_die_#Ultimate.C_memset_#t~loopctr41#1_897| Int) (|v_#memory_int_732| (Array Int (Array Int Int))) (|v_ULTIMATE.start_l4_insert_~list#1.base_26| Int) (|v_ULTIMATE.start_l4_insert_~list#1.offset_23| Int) (|v_zalloc_or_die_#Ultimate.C_memset_#value#1_321| Int) (|v_#memory_$Pointer$.offset_775| (Array Int (Array Int Int))) (|v_ULTIMATE.start_l3_insert_~list#1.base_22| Int) (|v_ULTIMATE.start_l3_insert_~list#1.offset_19| Int) (|v_#memory_int_728| (Array Int (Array Int Int))) (|v_#memory_int_727| (Array Int (Array Int Int))) (|v_zalloc_or_die_#Ultimate.C_memset_#res#1.offset_265| Int) (|v_#memory_int_729| (Array Int (Array Int Int))) (|v_zalloc_or_die_#Ultimate.C_memset_#amount#1_288| Int) (|v_ULTIMATE.start_l2_insert_~list#1.base_17| Int) (|v_#memory_$Pointer$.base_775| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_773| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_770| (Array Int (Array Int Int))) (|v_ULTIMATE.start_l2_insert_~list#1.offset_15| Int) (|v_#memory_$Pointer$.offset_771| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_771| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_773| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_770| (Array Int (Array Int Int)))) (and (<= 0 |v_ULTIMATE.start_l4_insert_~list#1.offset_23|) (= |v_zalloc_or_die_#Ultimate.C_memset_#value#1_321| 0) (<= 0 (select (select |v_#memory_$Pointer$.offset_773| |v_ULTIMATE.start_l4_insert_~list#1.base_26|) |v_ULTIMATE.start_l4_insert_~list#1.offset_23|)) (= (select |#valid| |v_ULTIMATE.start_l3_insert_~list#1.base_22|) 1) (= (select |#valid| |v_ULTIMATE.start_l4_insert_~list#1.base_26|) 1) (not (= 0 (select (select |v_#memory_$Pointer$.base_771| (select (select |v_#memory_$Pointer$.base_773| |v_ULTIMATE.start_l4_insert_~list#1.base_26|) |v_ULTIMATE.start_l4_insert_~list#1.offset_23|)) (+ (select (select |v_#memory_$Pointer$.offset_773| |v_ULTIMATE.start_l4_insert_~list#1.base_26|) |v_ULTIMATE.start_l4_insert_~list#1.offset_23|) 4)))) (= (store (store |v_#memory_$Pointer$.offset_773| (select (select |v_#memory_$Pointer$.base_775| |v_ULTIMATE.start_l3_insert_~list#1.base_22|) |v_ULTIMATE.start_l3_insert_~list#1.offset_19|) (store (select |v_#memory_$Pointer$.offset_773| (select (select |v_#memory_$Pointer$.base_775| |v_ULTIMATE.start_l3_insert_~list#1.base_22|) |v_ULTIMATE.start_l3_insert_~list#1.offset_19|)) (+ (select (select |v_#memory_$Pointer$.offset_775| |v_ULTIMATE.start_l3_insert_~list#1.base_22|) |v_ULTIMATE.start_l3_insert_~list#1.offset_19|) 4) (select (select |v_#memory_$Pointer$.offset_773| |v_ULTIMATE.start_l3_insert_~list#1.base_22|) |v_ULTIMATE.start_l3_insert_~list#1.offset_19|))) |v_ULTIMATE.start_l3_insert_~list#1.base_22| (store (select (store |v_#memory_$Pointer$.offset_773| (select (select |v_#memory_$Pointer$.base_775| |v_ULTIMATE.start_l3_insert_~list#1.base_22|) |v_ULTIMATE.start_l3_insert_~list#1.offset_19|) (store (select |v_#memory_$Pointer$.offset_773| (select (select |v_#memory_$Pointer$.base_775| |v_ULTIMATE.start_l3_insert_~list#1.base_22|) |v_ULTIMATE.start_l3_insert_~list#1.offset_19|)) (+ (select (select |v_#memory_$Pointer$.offset_775| |v_ULTIMATE.start_l3_insert_~list#1.base_22|) |v_ULTIMATE.start_l3_insert_~list#1.offset_19|) 4) (select (select |v_#memory_$Pointer$.offset_773| |v_ULTIMATE.start_l3_insert_~list#1.base_22|) |v_ULTIMATE.start_l3_insert_~list#1.offset_19|))) |v_ULTIMATE.start_l3_insert_~list#1.base_22|) |v_ULTIMATE.start_l3_insert_~list#1.offset_19| (select (select |v_#memory_$Pointer$.offset_775| |v_ULTIMATE.start_l3_insert_~list#1.base_22|) |v_ULTIMATE.start_l3_insert_~list#1.offset_19|))) |v_#memory_$Pointer$.offset_775|) (= (store |v_#memory_int_728| (select (select |v_#memory_$Pointer$.base_773| |v_ULTIMATE.start_l4_insert_~list#1.base_26|) |v_ULTIMATE.start_l4_insert_~list#1.offset_23|) (store (select |v_#memory_int_728| (select (select |v_#memory_$Pointer$.base_773| |v_ULTIMATE.start_l4_insert_~list#1.base_26|) |v_ULTIMATE.start_l4_insert_~list#1.offset_23|)) (select (select |v_#memory_$Pointer$.offset_773| |v_ULTIMATE.start_l4_insert_~list#1.base_26|) |v_ULTIMATE.start_l4_insert_~list#1.offset_23|) (select (select |v_#memory_int_729| (select (select |v_#memory_$Pointer$.base_773| |v_ULTIMATE.start_l4_insert_~list#1.base_26|) |v_ULTIMATE.start_l4_insert_~list#1.offset_23|)) (select (select |v_#memory_$Pointer$.offset_773| |v_ULTIMATE.start_l4_insert_~list#1.base_26|) |v_ULTIMATE.start_l4_insert_~list#1.offset_23|)))) |v_#memory_int_729|) (<= (+ 4 |v_ULTIMATE.start_l4_insert_~list#1.offset_23|) (select |#length| |v_ULTIMATE.start_l4_insert_~list#1.base_26|)) (= |#memory_$Pointer$.offset| (store (store |v_#memory_$Pointer$.offset_775| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l2_insert_~list#1.base_17|) |v_ULTIMATE.start_l2_insert_~list#1.offset_15|) (store (select |v_#memory_$Pointer$.offset_775| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l2_insert_~list#1.base_17|) |v_ULTIMATE.start_l2_insert_~list#1.offset_15|)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l2_insert_~list#1.base_17|) |v_ULTIMATE.start_l2_insert_~list#1.offset_15|) (select (select |v_#memory_$Pointer$.offset_775| |v_ULTIMATE.start_l2_insert_~list#1.base_17|) |v_ULTIMATE.start_l2_insert_~list#1.offset_15|))) |v_ULTIMATE.start_l2_insert_~list#1.base_17| (store (select (store |v_#memory_$Pointer$.offset_775| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l2_insert_~list#1.base_17|) |v_ULTIMATE.start_l2_insert_~list#1.offset_15|) (store (select |v_#memory_$Pointer$.offset_775| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l2_insert_~list#1.base_17|) |v_ULTIMATE.start_l2_insert_~list#1.offset_15|)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l2_insert_~list#1.base_17|) |v_ULTIMATE.start_l2_insert_~list#1.offset_15|) (select (select |v_#memory_$Pointer$.offset_775| |v_ULTIMATE.start_l2_insert_~list#1.base_17|) |v_ULTIMATE.start_l2_insert_~list#1.offset_15|))) |v_ULTIMATE.start_l2_insert_~list#1.base_17|) |v_ULTIMATE.start_l2_insert_~list#1.offset_15| (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l2_insert_~list#1.base_17|) |v_ULTIMATE.start_l2_insert_~list#1.offset_15|)))) (= (select |#valid| (select (select |v_#memory_$Pointer$.base_775| |v_ULTIMATE.start_l3_insert_~list#1.base_22|) |v_ULTIMATE.start_l3_insert_~list#1.offset_19|)) 1) (= |v_#memory_int_728| (store |v_#memory_int_727| (select (select |v_#memory_$Pointer$.base_773| |v_ULTIMATE.start_l4_insert_~list#1.base_26|) |v_ULTIMATE.start_l4_insert_~list#1.offset_23|) (store (select |v_#memory_int_727| (select (select |v_#memory_$Pointer$.base_773| |v_ULTIMATE.start_l4_insert_~list#1.base_26|) |v_ULTIMATE.start_l4_insert_~list#1.offset_23|)) (+ (select (select |v_#memory_$Pointer$.offset_773| |v_ULTIMATE.start_l4_insert_~list#1.base_26|) |v_ULTIMATE.start_l4_insert_~list#1.offset_23|) 4) (select (select |v_#memory_int_728| (select (select |v_#memory_$Pointer$.base_773| |v_ULTIMATE.start_l4_insert_~list#1.base_26|) |v_ULTIMATE.start_l4_insert_~list#1.offset_23|)) (+ (select (select |v_#memory_$Pointer$.offset_773| |v_ULTIMATE.start_l4_insert_~list#1.base_26|) |v_ULTIMATE.start_l4_insert_~list#1.offset_23|) 4))))) (= (store |v_#memory_int_732| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l2_insert_~list#1.base_17|) |v_ULTIMATE.start_l2_insert_~list#1.offset_15|) (store (select |v_#memory_int_732| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l2_insert_~list#1.base_17|) |v_ULTIMATE.start_l2_insert_~list#1.offset_15|)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l2_insert_~list#1.base_17|) |v_ULTIMATE.start_l2_insert_~list#1.offset_15|) (select (select |v_#memory_int_733| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l2_insert_~list#1.base_17|) |v_ULTIMATE.start_l2_insert_~list#1.offset_15|)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l2_insert_~list#1.base_17|) |v_ULTIMATE.start_l2_insert_~list#1.offset_15|)))) |v_#memory_int_733|) (= (store |v_#memory_int_730| (select (select |v_#memory_$Pointer$.base_775| |v_ULTIMATE.start_l3_insert_~list#1.base_22|) |v_ULTIMATE.start_l3_insert_~list#1.offset_19|) (store (select |v_#memory_int_730| (select (select |v_#memory_$Pointer$.base_775| |v_ULTIMATE.start_l3_insert_~list#1.base_22|) |v_ULTIMATE.start_l3_insert_~list#1.offset_19|)) (+ (select (select |v_#memory_$Pointer$.offset_775| |v_ULTIMATE.start_l3_insert_~list#1.base_22|) |v_ULTIMATE.start_l3_insert_~list#1.offset_19|) 4) (select (select |v_#memory_int_731| (select (select |v_#memory_$Pointer$.base_775| |v_ULTIMATE.start_l3_insert_~list#1.base_22|) |v_ULTIMATE.start_l3_insert_~list#1.offset_19|)) (+ (select (select |v_#memory_$Pointer$.offset_775| |v_ULTIMATE.start_l3_insert_~list#1.base_22|) |v_ULTIMATE.start_l3_insert_~list#1.offset_19|) 4)))) |v_#memory_int_731|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l2_insert_~list#1.base_17|) |v_ULTIMATE.start_l2_insert_~list#1.offset_15|)) 1) (= (store (store |v_#memory_$Pointer$.base_771| (select (select |v_#memory_$Pointer$.base_773| |v_ULTIMATE.start_l4_insert_~list#1.base_26|) |v_ULTIMATE.start_l4_insert_~list#1.offset_23|) (store (select |v_#memory_$Pointer$.base_771| (select (select |v_#memory_$Pointer$.base_773| |v_ULTIMATE.start_l4_insert_~list#1.base_26|) |v_ULTIMATE.start_l4_insert_~list#1.offset_23|)) (select (select |v_#memory_$Pointer$.offset_773| |v_ULTIMATE.start_l4_insert_~list#1.base_26|) |v_ULTIMATE.start_l4_insert_~list#1.offset_23|) (select (select |v_#memory_$Pointer$.base_771| |v_ULTIMATE.start_l4_insert_~list#1.base_26|) |v_ULTIMATE.start_l4_insert_~list#1.offset_23|))) |v_ULTIMATE.start_l4_insert_~list#1.base_26| (store (select (store |v_#memory_$Pointer$.base_771| (select (select |v_#memory_$Pointer$.base_773| |v_ULTIMATE.start_l4_insert_~list#1.base_26|) |v_ULTIMATE.start_l4_insert_~list#1.offset_23|) (store (select |v_#memory_$Pointer$.base_771| (select (select |v_#memory_$Pointer$.base_773| |v_ULTIMATE.start_l4_insert_~list#1.base_26|) |v_ULTIMATE.start_l4_insert_~list#1.offset_23|)) (select (select |v_#memory_$Pointer$.offset_773| |v_ULTIMATE.start_l4_insert_~list#1.base_26|) |v_ULTIMATE.start_l4_insert_~list#1.offset_23|) (select (select |v_#memory_$Pointer$.base_771| |v_ULTIMATE.start_l4_insert_~list#1.base_26|) |v_ULTIMATE.start_l4_insert_~list#1.offset_23|))) |v_ULTIMATE.start_l4_insert_~list#1.base_26|) |v_ULTIMATE.start_l4_insert_~list#1.offset_23| (select (select |v_#memory_$Pointer$.base_773| |v_ULTIMATE.start_l4_insert_~list#1.base_26|) |v_ULTIMATE.start_l4_insert_~list#1.offset_23|))) |v_#memory_$Pointer$.base_773|) (= (store (store |v_#memory_$Pointer$.base_773| (select (select |v_#memory_$Pointer$.base_775| |v_ULTIMATE.start_l3_insert_~list#1.base_22|) |v_ULTIMATE.start_l3_insert_~list#1.offset_19|) (store (select |v_#memory_$Pointer$.base_773| (select (select |v_#memory_$Pointer$.base_775| |v_ULTIMATE.start_l3_insert_~list#1.base_22|) |v_ULTIMATE.start_l3_insert_~list#1.offset_19|)) (+ (select (select |v_#memory_$Pointer$.offset_775| |v_ULTIMATE.start_l3_insert_~list#1.base_22|) |v_ULTIMATE.start_l3_insert_~list#1.offset_19|) 4) (select (select |v_#memory_$Pointer$.base_773| |v_ULTIMATE.start_l3_insert_~list#1.base_22|) |v_ULTIMATE.start_l3_insert_~list#1.offset_19|))) |v_ULTIMATE.start_l3_insert_~list#1.base_22| (store (select (store |v_#memory_$Pointer$.base_773| (select (select |v_#memory_$Pointer$.base_775| |v_ULTIMATE.start_l3_insert_~list#1.base_22|) |v_ULTIMATE.start_l3_insert_~list#1.offset_19|) (store (select |v_#memory_$Pointer$.base_773| (select (select |v_#memory_$Pointer$.base_775| |v_ULTIMATE.start_l3_insert_~list#1.base_22|) |v_ULTIMATE.start_l3_insert_~list#1.offset_19|)) (+ (select (select |v_#memory_$Pointer$.offset_775| |v_ULTIMATE.start_l3_insert_~list#1.base_22|) |v_ULTIMATE.start_l3_insert_~list#1.offset_19|) 4) (select (select |v_#memory_$Pointer$.base_773| |v_ULTIMATE.start_l3_insert_~list#1.base_22|) |v_ULTIMATE.start_l3_insert_~list#1.offset_19|))) |v_ULTIMATE.start_l3_insert_~list#1.base_22|) |v_ULTIMATE.start_l3_insert_~list#1.offset_19| (select (select |v_#memory_$Pointer$.base_775| |v_ULTIMATE.start_l3_insert_~list#1.base_22|) |v_ULTIMATE.start_l3_insert_~list#1.offset_19|))) |v_#memory_$Pointer$.base_775|) (= (select |#valid| |v_ULTIMATE.start_l2_insert_~list#1.base_17|) 1) (<= (+ 4 |v_ULTIMATE.start_l2_insert_~list#1.offset_15|) (select |#length| |v_ULTIMATE.start_l2_insert_~list#1.base_17|)) (= (store (store |v_#memory_$Pointer$.base_775| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l2_insert_~list#1.base_17|) |v_ULTIMATE.start_l2_insert_~list#1.offset_15|) (store (select |v_#memory_$Pointer$.base_775| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l2_insert_~list#1.base_17|) |v_ULTIMATE.start_l2_insert_~list#1.offset_15|)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l2_insert_~list#1.base_17|) |v_ULTIMATE.start_l2_insert_~list#1.offset_15|) (select (select |v_#memory_$Pointer$.base_775| |v_ULTIMATE.start_l2_insert_~list#1.base_17|) |v_ULTIMATE.start_l2_insert_~list#1.offset_15|))) |v_ULTIMATE.start_l2_insert_~list#1.base_17| (store (select (store |v_#memory_$Pointer$.base_775| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l2_insert_~list#1.base_17|) |v_ULTIMATE.start_l2_insert_~list#1.offset_15|) (store (select |v_#memory_$Pointer$.base_775| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l2_insert_~list#1.base_17|) |v_ULTIMATE.start_l2_insert_~list#1.offset_15|)) (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l2_insert_~list#1.base_17|) |v_ULTIMATE.start_l2_insert_~list#1.offset_15|) (select (select |v_#memory_$Pointer$.base_775| |v_ULTIMATE.start_l2_insert_~list#1.base_17|) |v_ULTIMATE.start_l2_insert_~list#1.offset_15|))) |v_ULTIMATE.start_l2_insert_~list#1.base_17|) |v_ULTIMATE.start_l2_insert_~list#1.offset_15| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l2_insert_~list#1.base_17|) |v_ULTIMATE.start_l2_insert_~list#1.offset_15|))) |#memory_$Pointer$.base|) (= (store |v_#memory_int_729| |v_ULTIMATE.start_l4_insert_~list#1.base_26| (store (select |v_#memory_int_729| |v_ULTIMATE.start_l4_insert_~list#1.base_26|) |v_ULTIMATE.start_l4_insert_~list#1.offset_23| (select (select |v_#memory_int_730| |v_ULTIMATE.start_l4_insert_~list#1.base_26|) |v_ULTIMATE.start_l4_insert_~list#1.offset_23|))) |v_#memory_int_730|) (<= (+ (select (select |v_#memory_$Pointer$.offset_775| |v_ULTIMATE.start_l3_insert_~list#1.base_22|) |v_ULTIMATE.start_l3_insert_~list#1.offset_19|) 8) (select |#length| (select (select |v_#memory_$Pointer$.base_775| |v_ULTIMATE.start_l3_insert_~list#1.base_22|) |v_ULTIMATE.start_l3_insert_~list#1.offset_19|))) (= |v_zalloc_or_die_#Ultimate.C_memset_#res#1.offset_265| 0) (<= 0 (+ (select (select |v_#memory_$Pointer$.offset_775| |v_ULTIMATE.start_l3_insert_~list#1.base_22|) |v_ULTIMATE.start_l3_insert_~list#1.offset_19|) 4)) (<= 0 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l2_insert_~list#1.base_17|) |v_ULTIMATE.start_l2_insert_~list#1.offset_15|)) (= |#memory_int| (store |v_#memory_int_733| |v_ULTIMATE.start_l2_insert_~list#1.base_17| (store (select |v_#memory_int_733| |v_ULTIMATE.start_l2_insert_~list#1.base_17|) |v_ULTIMATE.start_l2_insert_~list#1.offset_15| (select (select |#memory_int| |v_ULTIMATE.start_l2_insert_~list#1.base_17|) |v_ULTIMATE.start_l2_insert_~list#1.offset_15|)))) (= (store (store |v_#memory_$Pointer$.offset_771| (select (select |v_#memory_$Pointer$.base_773| |v_ULTIMATE.start_l4_insert_~list#1.base_26|) |v_ULTIMATE.start_l4_insert_~list#1.offset_23|) (store (select |v_#memory_$Pointer$.offset_771| (select (select |v_#memory_$Pointer$.base_773| |v_ULTIMATE.start_l4_insert_~list#1.base_26|) |v_ULTIMATE.start_l4_insert_~list#1.offset_23|)) (select (select |v_#memory_$Pointer$.offset_773| |v_ULTIMATE.start_l4_insert_~list#1.base_26|) |v_ULTIMATE.start_l4_insert_~list#1.offset_23|) (select (select |v_#memory_$Pointer$.offset_771| |v_ULTIMATE.start_l4_insert_~list#1.base_26|) |v_ULTIMATE.start_l4_insert_~list#1.offset_23|))) |v_ULTIMATE.start_l4_insert_~list#1.base_26| (store (select (store |v_#memory_$Pointer$.offset_771| (select (select |v_#memory_$Pointer$.base_773| |v_ULTIMATE.start_l4_insert_~list#1.base_26|) |v_ULTIMATE.start_l4_insert_~list#1.offset_23|) (store (select |v_#memory_$Pointer$.offset_771| (select (select |v_#memory_$Pointer$.base_773| |v_ULTIMATE.start_l4_insert_~list#1.base_26|) |v_ULTIMATE.start_l4_insert_~list#1.offset_23|)) (select (select |v_#memory_$Pointer$.offset_773| |v_ULTIMATE.start_l4_insert_~list#1.base_26|) |v_ULTIMATE.start_l4_insert_~list#1.offset_23|) (select (select |v_#memory_$Pointer$.offset_771| |v_ULTIMATE.start_l4_insert_~list#1.base_26|) |v_ULTIMATE.start_l4_insert_~list#1.offset_23|))) |v_ULTIMATE.start_l4_insert_~list#1.base_26|) |v_ULTIMATE.start_l4_insert_~list#1.offset_23| (select (select |v_#memory_$Pointer$.offset_773| |v_ULTIMATE.start_l4_insert_~list#1.base_26|) |v_ULTIMATE.start_l4_insert_~list#1.offset_23|))) |v_#memory_$Pointer$.offset_773|) (<= 0 |v_ULTIMATE.start_l2_insert_~list#1.offset_15|) (= (store |v_#memory_int_731| |v_ULTIMATE.start_l3_insert_~list#1.base_22| (store (select |v_#memory_int_731| |v_ULTIMATE.start_l3_insert_~list#1.base_22|) |v_ULTIMATE.start_l3_insert_~list#1.offset_19| (select (select |v_#memory_int_732| |v_ULTIMATE.start_l3_insert_~list#1.base_22|) |v_ULTIMATE.start_l3_insert_~list#1.offset_19|))) |v_#memory_int_732|) (<= (+ (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_l2_insert_~list#1.base_17|) |v_ULTIMATE.start_l2_insert_~list#1.offset_15|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_l2_insert_~list#1.base_17|) |v_ULTIMATE.start_l2_insert_~list#1.offset_15|))) (<= (+ (select (select |v_#memory_$Pointer$.offset_773| |v_ULTIMATE.start_l4_insert_~list#1.base_26|) |v_ULTIMATE.start_l4_insert_~list#1.offset_23|) 8) (select |#length| (select (select |v_#memory_$Pointer$.base_773| |v_ULTIMATE.start_l4_insert_~list#1.base_26|) |v_ULTIMATE.start_l4_insert_~list#1.offset_23|))) (= |v_#memory_$Pointer$.offset_771| (store |v_#memory_$Pointer$.offset_770| (select (select |v_#memory_$Pointer$.base_773| |v_ULTIMATE.start_l4_insert_~list#1.base_26|) |v_ULTIMATE.start_l4_insert_~list#1.offset_23|) (store (select |v_#memory_$Pointer$.offset_770| (select (select |v_#memory_$Pointer$.base_773| |v_ULTIMATE.start_l4_insert_~list#1.base_26|) |v_ULTIMATE.start_l4_insert_~list#1.offset_23|)) (+ (select (select |v_#memory_$Pointer$.offset_773| |v_ULTIMATE.start_l4_insert_~list#1.base_26|) |v_ULTIMATE.start_l4_insert_~list#1.offset_23|) 4) 0))) (<= (mod |v_zalloc_or_die_#Ultimate.C_memset_#amount#1_288| 4294967296) (mod |v_zalloc_or_die_#Ultimate.C_memset_#t~loopctr41#1_897| 4294967296)) (<= 0 |v_ULTIMATE.start_l3_insert_~list#1.offset_19|) (= |v_#memory_$Pointer$.base_771| (store |v_#memory_$Pointer$.base_770| (select (select |v_#memory_$Pointer$.base_773| |v_ULTIMATE.start_l4_insert_~list#1.base_26|) |v_ULTIMATE.start_l4_insert_~list#1.offset_23|) (store (select |v_#memory_$Pointer$.base_770| (select (select |v_#memory_$Pointer$.base_773| |v_ULTIMATE.start_l4_insert_~list#1.base_26|) |v_ULTIMATE.start_l4_insert_~list#1.offset_23|)) (+ (select (select |v_#memory_$Pointer$.offset_773| |v_ULTIMATE.start_l4_insert_~list#1.base_26|) |v_ULTIMATE.start_l4_insert_~list#1.offset_23|) 4) (select (select |v_#memory_$Pointer$.base_771| (select (select |v_#memory_$Pointer$.base_773| |v_ULTIMATE.start_l4_insert_~list#1.base_26|) |v_ULTIMATE.start_l4_insert_~list#1.offset_23|)) (+ (select (select |v_#memory_$Pointer$.offset_773| |v_ULTIMATE.start_l4_insert_~list#1.base_26|) |v_ULTIMATE.start_l4_insert_~list#1.offset_23|) 4))))) (= (select |#valid| (select (select |v_#memory_$Pointer$.base_773| |v_ULTIMATE.start_l4_insert_~list#1.base_26|) |v_ULTIMATE.start_l4_insert_~list#1.offset_23|)) 1) (<= (+ 4 |v_ULTIMATE.start_l3_insert_~list#1.offset_19|) (select |#length| |v_ULTIMATE.start_l3_insert_~list#1.base_22|)) (<= 0 |v_zalloc_or_die_#Ultimate.C_memset_#t~loopctr41#1_897|))) (= 3 |~#list~0.base|) (= |ULTIMATE.start_l0_insert_~list#1.offset| 0))' at error location [2024-11-14 02:58:21,324 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 02:58:21,324 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-14 02:58:21,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 48] total 73 [2024-11-14 02:58:21,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178958141] [2024-11-14 02:58:21,324 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-14 02:58:21,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2024-11-14 02:58:21,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:58:21,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2024-11-14 02:58:21,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=343, Invalid=10527, Unknown=58, NotChecked=414, Total=11342 [2024-11-14 02:58:21,326 INFO L87 Difference]: Start difference. First operand 357 states and 424 transitions. Second operand has 74 states, 61 states have (on average 2.0491803278688523) internal successors, (125), 64 states have internal predecessors, (125), 7 states have call successors, (11), 3 states have call predecessors, (11), 10 states have return successors, (12), 10 states have call predecessors, (12), 7 states have call successors, (12) [2024-11-14 02:58:23,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0]