./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-simple/dll2n_update_all.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/list-simple/dll2n_update_all.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c46cc56772f2c3f0b073640343b328fb3b128ed13803ffe5a04f6290fe624494 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:09:13,284 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:09:13,410 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:09:13,420 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:09:13,420 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:09:13,477 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:09:13,478 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:09:13,478 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:09:13,480 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:09:13,485 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:09:13,485 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:09:13,487 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:09:13,487 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:09:13,489 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:09:13,490 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:09:13,490 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:09:13,490 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:09:13,491 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:09:13,491 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:09:13,492 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:09:13,492 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:09:13,493 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:09:13,494 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:09:13,495 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:09:13,495 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:09:13,496 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:09:13,496 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:09:13,496 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:09:13,497 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:09:13,521 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:09:13,523 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:09:13,523 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:09:13,523 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:09:13,524 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:09:13,524 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:09:13,524 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:09:13,525 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:09:13,525 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:09:13,525 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:09:13,525 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:09:13,526 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:09:13,526 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:09:13,526 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:09:13,526 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:09:13,527 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:09:13,527 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c46cc56772f2c3f0b073640343b328fb3b128ed13803ffe5a04f6290fe624494 [2023-11-12 00:09:13,775 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:09:13,805 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:09:13,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:09:13,811 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:09:13,813 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:09:13,815 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/list-simple/dll2n_update_all.i [2023-11-12 00:09:16,940 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:09:17,204 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:09:17,205 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/sv-benchmarks/c/list-simple/dll2n_update_all.i [2023-11-12 00:09:17,222 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/data/65ee533a5/43dddfa799a84d7da56a2e79cdbb3276/FLAG3912ea50e [2023-11-12 00:09:17,240 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/data/65ee533a5/43dddfa799a84d7da56a2e79cdbb3276 [2023-11-12 00:09:17,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:09:17,248 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:09:17,252 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:09:17,253 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:09:17,258 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:09:17,259 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:09:17" (1/1) ... [2023-11-12 00:09:17,260 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50b0291d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:17, skipping insertion in model container [2023-11-12 00:09:17,260 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:09:17" (1/1) ... [2023-11-12 00:09:17,319 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:09:17,639 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/sv-benchmarks/c/list-simple/dll2n_update_all.i[24455,24468] [2023-11-12 00:09:17,648 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:09:17,662 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:09:17,768 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/sv-benchmarks/c/list-simple/dll2n_update_all.i[24455,24468] [2023-11-12 00:09:17,768 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:09:17,802 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:09:17,803 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:17 WrapperNode [2023-11-12 00:09:17,803 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:09:17,804 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:09:17,805 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:09:17,805 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:09:17,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:17" (1/1) ... [2023-11-12 00:09:17,830 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:17" (1/1) ... [2023-11-12 00:09:17,856 INFO L138 Inliner]: procedures = 126, calls = 27, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 114 [2023-11-12 00:09:17,856 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:09:17,857 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:09:17,857 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:09:17,858 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:09:17,867 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:17" (1/1) ... [2023-11-12 00:09:17,868 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:17" (1/1) ... [2023-11-12 00:09:17,872 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:17" (1/1) ... [2023-11-12 00:09:17,872 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:17" (1/1) ... [2023-11-12 00:09:17,879 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:17" (1/1) ... [2023-11-12 00:09:17,883 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:17" (1/1) ... [2023-11-12 00:09:17,885 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:17" (1/1) ... [2023-11-12 00:09:17,887 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:17" (1/1) ... [2023-11-12 00:09:17,890 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:09:17,891 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:09:17,891 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:09:17,891 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:09:17,892 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:17" (1/1) ... [2023-11-12 00:09:17,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:09:17,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:09:17,929 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:09:17,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:09:17,984 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2023-11-12 00:09:17,984 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2023-11-12 00:09:17,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:09:17,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:09:17,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:09:17,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:09:17,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:09:17,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:09:17,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:09:17,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:09:17,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:09:17,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:09:18,130 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:09:18,132 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:09:18,189 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2023-11-12 00:09:18,358 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:09:18,431 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:09:18,431 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-12 00:09:18,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:09:18 BoogieIcfgContainer [2023-11-12 00:09:18,434 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:09:18,437 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:09:18,437 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:09:18,441 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:09:18,441 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:09:17" (1/3) ... [2023-11-12 00:09:18,442 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63569862 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:09:18, skipping insertion in model container [2023-11-12 00:09:18,442 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:17" (2/3) ... [2023-11-12 00:09:18,443 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63569862 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:09:18, skipping insertion in model container [2023-11-12 00:09:18,443 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:09:18" (3/3) ... [2023-11-12 00:09:18,444 INFO L112 eAbstractionObserver]: Analyzing ICFG dll2n_update_all.i [2023-11-12 00:09:18,465 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:09:18,465 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:09:18,516 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:09:18,524 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@48c688ea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:09:18,524 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:09:18,528 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 15 states have internal predecessors, (23), 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) [2023-11-12 00:09:18,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-12 00:09:18,536 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:09:18,537 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:09:18,538 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:09:18,543 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:09:18,543 INFO L85 PathProgramCache]: Analyzing trace with hash -1837219981, now seen corresponding path program 1 times [2023-11-12 00:09:18,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:09:18,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369024160] [2023-11-12 00:09:18,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:18,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:09:18,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:09:18,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:09:18,937 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:09:18,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369024160] [2023-11-12 00:09:18,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369024160] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:09:18,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:09:18,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:09:18,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690598099] [2023-11-12 00:09:18,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:09:18,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:09:18,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:09:18,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:09:18,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:09:19,000 INFO L87 Difference]: Start difference. First operand has 17 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 15 states have internal predecessors, (23), 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) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:09:19,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:09:19,084 INFO L93 Difference]: Finished difference Result 31 states and 45 transitions. [2023-11-12 00:09:19,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:09:19,087 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-11-12 00:09:19,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:09:19,094 INFO L225 Difference]: With dead ends: 31 [2023-11-12 00:09:19,094 INFO L226 Difference]: Without dead ends: 14 [2023-11-12 00:09:19,097 INFO L412 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 [2023-11-12 00:09:19,101 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 3 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:09:19,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 22 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:09:19,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2023-11-12 00:09:19,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2023-11-12 00:09:19,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:09:19,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 16 transitions. [2023-11-12 00:09:19,138 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 16 transitions. Word has length 7 [2023-11-12 00:09:19,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:09:19,140 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 16 transitions. [2023-11-12 00:09:19,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:09:19,141 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2023-11-12 00:09:19,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-12 00:09:19,141 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:09:19,142 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:09:19,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:09:19,143 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:09:19,144 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:09:19,144 INFO L85 PathProgramCache]: Analyzing trace with hash 103345278, now seen corresponding path program 1 times [2023-11-12 00:09:19,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:09:19,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492854651] [2023-11-12 00:09:19,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:19,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:09:19,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:09:19,333 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 00:09:19,333 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:09:19,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492854651] [2023-11-12 00:09:19,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492854651] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:09:19,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:09:19,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:09:19,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816771050] [2023-11-12 00:09:19,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:09:19,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:09:19,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:09:19,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:09:19,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:09:19,338 INFO L87 Difference]: Start difference. First operand 12 states and 16 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:09:19,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:09:19,394 INFO L93 Difference]: Finished difference Result 24 states and 32 transitions. [2023-11-12 00:09:19,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 00:09:19,395 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2023-11-12 00:09:19,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:09:19,396 INFO L225 Difference]: With dead ends: 24 [2023-11-12 00:09:19,396 INFO L226 Difference]: Without dead ends: 19 [2023-11-12 00:09:19,397 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:09:19,399 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 18 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:09:19,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 12 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:09:19,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2023-11-12 00:09:19,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 13. [2023-11-12 00:09:19,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:09:19,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2023-11-12 00:09:19,405 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 17 transitions. Word has length 10 [2023-11-12 00:09:19,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:09:19,406 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 17 transitions. [2023-11-12 00:09:19,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:09:19,406 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2023-11-12 00:09:19,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-12 00:09:19,407 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:09:19,407 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:09:19,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 00:09:19,408 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:09:19,408 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:09:19,408 INFO L85 PathProgramCache]: Analyzing trace with hash 1577536252, now seen corresponding path program 1 times [2023-11-12 00:09:19,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:09:19,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506660439] [2023-11-12 00:09:19,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:19,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:09:19,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:09:19,575 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 00:09:19,576 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:09:19,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506660439] [2023-11-12 00:09:19,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506660439] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:09:19,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1426612484] [2023-11-12 00:09:19,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:19,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:09:19,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:09:19,583 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:09:19,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:09:19,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:09:19,752 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 00:09:19,758 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:09:19,828 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 00:09:19,829 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:09:19,862 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 00:09:19,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1426612484] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:09:19,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2245689] [2023-11-12 00:09:19,884 INFO L159 IcfgInterpreter]: Started Sifa with 11 locations of interest [2023-11-12 00:09:19,885 INFO L166 IcfgInterpreter]: Building call graph [2023-11-12 00:09:19,889 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-12 00:09:19,895 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-12 00:09:19,896 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-12 00:09:21,157 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-12 00:09:21,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [2245689] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:09:21,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-11-12 00:09:21,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4, 3, 3] total 10 [2023-11-12 00:09:21,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145147991] [2023-11-12 00:09:21,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:09:21,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 00:09:21,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:09:21,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 00:09:21,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2023-11-12 00:09:21,549 INFO L87 Difference]: Start difference. First operand 13 states and 17 transitions. Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:09:21,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:09:21,733 INFO L93 Difference]: Finished difference Result 20 states and 27 transitions. [2023-11-12 00:09:21,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 00:09:21,734 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 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 12 [2023-11-12 00:09:21,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:09:21,735 INFO L225 Difference]: With dead ends: 20 [2023-11-12 00:09:21,735 INFO L226 Difference]: Without dead ends: 15 [2023-11-12 00:09:21,736 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 27 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2023-11-12 00:09:21,737 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 0 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-12 00:09:21,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 1 Unknown, 0 Unchecked, 0.2s Time] [2023-11-12 00:09:21,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2023-11-12 00:09:21,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2023-11-12 00:09:21,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:09:21,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 19 transitions. [2023-11-12 00:09:21,749 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 19 transitions. Word has length 12 [2023-11-12 00:09:21,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:09:21,750 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 19 transitions. [2023-11-12 00:09:21,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:09:21,750 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 19 transitions. [2023-11-12 00:09:21,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-12 00:09:21,751 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:09:21,751 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:09:21,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-12 00:09:21,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:09:21,957 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:09:21,957 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:09:21,958 INFO L85 PathProgramCache]: Analyzing trace with hash 181128338, now seen corresponding path program 1 times [2023-11-12 00:09:21,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:09:21,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095267611] [2023-11-12 00:09:21,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:21,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:09:21,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:09:22,100 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 00:09:22,100 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:09:22,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095267611] [2023-11-12 00:09:22,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095267611] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:09:22,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:09:22,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 00:09:22,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096293331] [2023-11-12 00:09:22,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:09:22,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:09:22,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:09:22,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:09:22,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:09:22,104 INFO L87 Difference]: Start difference. First operand 14 states and 19 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:09:22,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:09:22,196 INFO L93 Difference]: Finished difference Result 28 states and 38 transitions. [2023-11-12 00:09:22,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 00:09:22,198 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2023-11-12 00:09:22,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:09:22,200 INFO L225 Difference]: With dead ends: 28 [2023-11-12 00:09:22,200 INFO L226 Difference]: Without dead ends: 21 [2023-11-12 00:09:22,200 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:09:22,204 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 6 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:09:22,207 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 17 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:09:22,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2023-11-12 00:09:22,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 16. [2023-11-12 00:09:22,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:09:22,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2023-11-12 00:09:22,221 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 21 transitions. Word has length 13 [2023-11-12 00:09:22,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:09:22,222 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 21 transitions. [2023-11-12 00:09:22,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:09:22,225 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2023-11-12 00:09:22,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-12 00:09:22,226 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:09:22,226 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:09:22,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 00:09:22,227 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:09:22,227 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:09:22,228 INFO L85 PathProgramCache]: Analyzing trace with hash 1763833172, now seen corresponding path program 2 times [2023-11-12 00:09:22,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:09:22,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206157870] [2023-11-12 00:09:22,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:22,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:09:22,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:09:22,411 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-12 00:09:22,411 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:09:22,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206157870] [2023-11-12 00:09:22,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206157870] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:09:22,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1392693568] [2023-11-12 00:09:22,412 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-12 00:09:22,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:09:22,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:09:22,414 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:09:22,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-12 00:09:22,564 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-11-12 00:09:22,564 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-12 00:09:22,566 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 00:09:22,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:09:22,583 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-12 00:09:22,583 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:09:22,601 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-12 00:09:22,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1392693568] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:09:22,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [71438366] [2023-11-12 00:09:22,604 INFO L159 IcfgInterpreter]: Started Sifa with 11 locations of interest [2023-11-12 00:09:22,604 INFO L166 IcfgInterpreter]: Building call graph [2023-11-12 00:09:22,605 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-12 00:09:22,605 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-12 00:09:22,605 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-12 00:09:23,745 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-12 00:09:24,873 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '442#(and (= |ULTIMATE.start_main_~len~0#1| |ULTIMATE.start_main_~expected~0#1|) (= |ULTIMATE.start_main_~i~0#1| 0) (<= 0 (+ |ULTIMATE.start_dll_get_data_at_#res#1| 2147483648)) (<= |ULTIMATE.start_dll_get_data_at_#res#1| 2147483647) (<= 1 |ULTIMATE.start_main_~len~0#1|) (= (select (select |#memory_int| |ULTIMATE.start_main_~s~0#1.base|) |ULTIMATE.start_main_~s~0#1.offset|) |ULTIMATE.start_dll_get_data_at_#res#1|) (exists ((|v_ULTIMATE.start_main_~new_data~0#1_23| Int) (|v_ULTIMATE.start_main_~i~0#1_60| Int)) (and (exists ((|v_ULTIMATE.start_dll_update_at_~head#1.base_32| Int) (|v_ULTIMATE.start_dll_update_at_~head#1.offset_32| Int) (|v_#memory_$Pointer$.offset_57| (Array Int (Array Int Int))) (|v_#memory_int_68| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_57| (Array Int (Array Int Int)))) (and (<= (select (select |#memory_int| |v_ULTIMATE.start_dll_update_at_~head#1.base_32|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_32|) 3) (= |#memory_$Pointer$.offset| (store |v_#memory_$Pointer$.offset_57| |v_ULTIMATE.start_dll_update_at_~head#1.base_32| (store (select |v_#memory_$Pointer$.offset_57| |v_ULTIMATE.start_dll_update_at_~head#1.base_32|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_32| (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_dll_update_at_~head#1.base_32|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_32|)))) (<= 2 (select (select |#memory_int| |v_ULTIMATE.start_dll_update_at_~head#1.base_32|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_32|)) (= (store |v_#memory_$Pointer$.base_57| |v_ULTIMATE.start_dll_update_at_~head#1.base_32| (store (select |v_#memory_$Pointer$.base_57| |v_ULTIMATE.start_dll_update_at_~head#1.base_32|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_32| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_dll_update_at_~head#1.base_32|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_32|))) |#memory_$Pointer$.base|) (= |#memory_int| (store |v_#memory_int_68| |v_ULTIMATE.start_dll_update_at_~head#1.base_32| (store (select |v_#memory_int_68| |v_ULTIMATE.start_dll_update_at_~head#1.base_32|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_32| (select (select |#memory_int| |v_ULTIMATE.start_dll_update_at_~head#1.base_32|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_32|)))))) (<= 1 |#StackHeapBarrier|) (<= |v_ULTIMATE.start_main_~new_data~0#1_23| 3) (= |v_ULTIMATE.start_main_~i~0#1_60| 2) (= |ULTIMATE.start_main_~data~0#1| 1) (= |ULTIMATE.start_main_~len~0#1| 2) (= |ULTIMATE.start_dll_create_#res#1.offset| 0) (= |ULTIMATE.start_main_~s~0#1.offset| 0) (<= 2 |v_ULTIMATE.start_main_~new_data~0#1_23|))) (not (= |ULTIMATE.start_main_~expected~0#1| |ULTIMATE.start_dll_get_data_at_#res#1|)))' at error location [2023-11-12 00:09:24,873 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-11-12 00:09:24,874 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 00:09:24,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 4 [2023-11-12 00:09:24,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008669431] [2023-11-12 00:09:24,874 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 00:09:24,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 00:09:24,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:09:24,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 00:09:24,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-11-12 00:09:24,876 INFO L87 Difference]: Start difference. First operand 16 states and 21 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:09:24,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:09:24,952 INFO L93 Difference]: Finished difference Result 30 states and 40 transitions. [2023-11-12 00:09:24,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 00:09:24,953 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 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 15 [2023-11-12 00:09:24,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:09:24,958 INFO L225 Difference]: With dead ends: 30 [2023-11-12 00:09:24,958 INFO L226 Difference]: Without dead ends: 19 [2023-11-12 00:09:24,958 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 33 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-11-12 00:09:24,961 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 2 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:09:24,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 20 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:09:24,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2023-11-12 00:09:24,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2023-11-12 00:09:24,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 18 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:09:24,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 24 transitions. [2023-11-12 00:09:24,973 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 24 transitions. Word has length 15 [2023-11-12 00:09:24,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:09:24,973 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 24 transitions. [2023-11-12 00:09:24,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:09:24,974 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2023-11-12 00:09:24,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-12 00:09:24,975 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:09:24,975 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:09:24,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-12 00:09:25,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:09:25,187 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:09:25,187 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:09:25,187 INFO L85 PathProgramCache]: Analyzing trace with hash 817915743, now seen corresponding path program 3 times [2023-11-12 00:09:25,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:09:25,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338033441] [2023-11-12 00:09:25,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:25,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:09:25,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:09:26,576 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:09:26,577 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:09:26,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338033441] [2023-11-12 00:09:26,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338033441] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:09:26,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1645563024] [2023-11-12 00:09:26,578 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-12 00:09:26,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:09:26,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:09:26,579 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:09:26,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-12 00:09:27,043 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-12 00:09:27,043 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-12 00:09:27,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 84 conjunts are in the unsatisfiable core [2023-11-12 00:09:27,053 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:09:27,101 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2023-11-12 00:09:27,183 INFO L322 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-12 00:09:27,183 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-11-12 00:09:27,290 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 19 treesize of output 23 [2023-11-12 00:09:27,312 INFO L322 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-12 00:09:27,312 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 70 treesize of output 61 [2023-11-12 00:09:27,320 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-12 00:09:27,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:09:27,518 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2023-11-12 00:09:27,534 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-12 00:09:27,680 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-11-12 00:09:27,745 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 16 treesize of output 11 [2023-11-12 00:09:27,898 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:09:27,898 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:09:27,949 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_308 (Array Int Int))) (= |c_ULTIMATE.start_main_~len~0#1| (select (select (store |c_#memory_int| |c_ULTIMATE.start_dll_update_at_~head#1.base| v_ArrVal_308) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|))) is different from false [2023-11-12 00:09:27,956 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_308 (Array Int Int))) (= |c_ULTIMATE.start_main_~len~0#1| (select (select (store |c_#memory_int| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_update_at_~head#1.base|) (+ |c_ULTIMATE.start_dll_update_at_~head#1.offset| 4)) v_ArrVal_308) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|))) is different from false [2023-11-12 00:09:27,965 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_308 (Array Int Int))) (= |c_ULTIMATE.start_main_~len~0#1| (select (select (store |c_#memory_int| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~s~0#1.base|) (+ |c_ULTIMATE.start_main_~s~0#1.offset| 4)) v_ArrVal_308) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|))) is different from false [2023-11-12 00:09:27,984 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_308 (Array Int Int)) (v_ArrVal_307 (Array Int Int))) (or (not (= (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_update_at_~head#1.base|) |c_ULTIMATE.start_dll_update_at_~head#1.offset| (select v_ArrVal_307 |c_ULTIMATE.start_dll_update_at_~head#1.offset|)) v_ArrVal_307)) (= |c_ULTIMATE.start_main_~len~0#1| (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_dll_update_at_~head#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_dll_update_at_~head#1.base|) |c_ULTIMATE.start_dll_update_at_~head#1.offset| |c_ULTIMATE.start_dll_update_at_~data#1|)) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_update_at_~head#1.base| v_ArrVal_307) |c_ULTIMATE.start_main_~s~0#1.base|) (+ |c_ULTIMATE.start_main_~s~0#1.offset| 4)) v_ArrVal_308) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|)))) is different from false [2023-11-12 00:09:28,142 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 00:09:28,142 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 87 treesize of output 107 [2023-11-12 00:09:28,185 INFO L322 Elim1Store]: treesize reduction 21, result has 38.2 percent of original size [2023-11-12 00:09:28,185 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 75 [2023-11-12 00:09:28,215 INFO L322 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2023-11-12 00:09:28,216 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 84 treesize of output 92 [2023-11-12 00:09:28,235 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2023-11-12 00:09:28,259 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 1 [2023-11-12 00:09:28,280 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 00:09:28,281 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 25 [2023-11-12 00:09:28,288 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 34 [2023-11-12 00:09:28,294 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-11-12 00:09:28,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:09:28,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:09:28,315 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2023-11-12 00:09:28,318 INFO L351 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 8 treesize of output 4 [2023-11-12 00:09:28,408 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 5 not checked. [2023-11-12 00:09:28,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1645563024] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:09:28,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2142922906] [2023-11-12 00:09:28,411 INFO L159 IcfgInterpreter]: Started Sifa with 11 locations of interest [2023-11-12 00:09:28,412 INFO L166 IcfgInterpreter]: Building call graph [2023-11-12 00:09:28,412 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-12 00:09:28,412 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-12 00:09:28,412 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-12 00:09:29,352 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-12 00:09:31,040 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '670#(and (= |ULTIMATE.start_main_~len~0#1| |ULTIMATE.start_main_~expected~0#1|) (= |ULTIMATE.start_main_~i~0#1| 0) (<= 0 (+ |ULTIMATE.start_dll_get_data_at_#res#1| 2147483648)) (<= |ULTIMATE.start_dll_get_data_at_#res#1| 2147483647) (<= 1 |ULTIMATE.start_main_~len~0#1|) (= (select (select |#memory_int| |ULTIMATE.start_main_~s~0#1.base|) |ULTIMATE.start_main_~s~0#1.offset|) |ULTIMATE.start_dll_get_data_at_#res#1|) (exists ((|v_ULTIMATE.start_main_~new_data~0#1_31| Int) (|v_ULTIMATE.start_main_~i~0#1_72| Int)) (and (exists ((|v_#memory_$Pointer$.base_75| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_74| (Array Int (Array Int Int))) (|v_ULTIMATE.start_dll_update_at_~head#1.base_47| Int) (|v_#memory_int_91| (Array Int (Array Int Int))) (|v_ULTIMATE.start_dll_update_at_~head#1.offset_45| Int)) (and (<= (select (select |#memory_int| |v_ULTIMATE.start_dll_update_at_~head#1.base_47|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_45|) 3) (<= 2 (select (select |#memory_int| |v_ULTIMATE.start_dll_update_at_~head#1.base_47|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_45|)) (= |#memory_$Pointer$.base| (store |v_#memory_$Pointer$.base_75| |v_ULTIMATE.start_dll_update_at_~head#1.base_47| (store (select |v_#memory_$Pointer$.base_75| |v_ULTIMATE.start_dll_update_at_~head#1.base_47|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_45| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_dll_update_at_~head#1.base_47|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_45|)))) (= |#memory_int| (store |v_#memory_int_91| |v_ULTIMATE.start_dll_update_at_~head#1.base_47| (store (select |v_#memory_int_91| |v_ULTIMATE.start_dll_update_at_~head#1.base_47|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_45| (select (select |#memory_int| |v_ULTIMATE.start_dll_update_at_~head#1.base_47|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_45|)))) (= |#memory_$Pointer$.offset| (store |v_#memory_$Pointer$.offset_74| |v_ULTIMATE.start_dll_update_at_~head#1.base_47| (store (select |v_#memory_$Pointer$.offset_74| |v_ULTIMATE.start_dll_update_at_~head#1.base_47|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_45| (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_dll_update_at_~head#1.base_47|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_45|)))))) (<= 1 |#StackHeapBarrier|) (<= 2 |v_ULTIMATE.start_main_~new_data~0#1_31|) (<= |v_ULTIMATE.start_main_~new_data~0#1_31| 3) (= |ULTIMATE.start_main_~data~0#1| 1) (= |ULTIMATE.start_main_~len~0#1| 2) (= |ULTIMATE.start_dll_create_#res#1.offset| 0) (= |v_ULTIMATE.start_main_~i~0#1_72| 2) (= |ULTIMATE.start_main_~s~0#1.offset| 0))) (not (= |ULTIMATE.start_main_~expected~0#1| |ULTIMATE.start_dll_get_data_at_#res#1|)))' at error location [2023-11-12 00:09:31,040 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-11-12 00:09:31,040 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 00:09:31,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 39 [2023-11-12 00:09:31,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880456020] [2023-11-12 00:09:31,041 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 00:09:31,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2023-11-12 00:09:31,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:09:31,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2023-11-12 00:09:31,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=1658, Unknown=4, NotChecked=340, Total=2162 [2023-11-12 00:09:31,044 INFO L87 Difference]: Start difference. First operand 19 states and 24 transitions. Second operand has 39 states, 39 states have (on average 1.2564102564102564) internal successors, (49), 39 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:09:32,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:09:32,324 INFO L93 Difference]: Finished difference Result 43 states and 58 transitions. [2023-11-12 00:09:32,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-12 00:09:32,325 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 1.2564102564102564) internal successors, (49), 39 states have internal predecessors, (49), 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 18 [2023-11-12 00:09:32,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:09:32,327 INFO L225 Difference]: With dead ends: 43 [2023-11-12 00:09:32,327 INFO L226 Difference]: Without dead ends: 41 [2023-11-12 00:09:32,329 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 22 SyntacticMatches, 3 SemanticMatches, 56 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 669 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=285, Invalid=2589, Unknown=4, NotChecked=428, Total=3306 [2023-11-12 00:09:32,330 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 79 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 208 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-12 00:09:32,330 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 103 Invalid, 675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 461 Invalid, 0 Unknown, 208 Unchecked, 0.7s Time] [2023-11-12 00:09:32,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2023-11-12 00:09:32,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 27. [2023-11-12 00:09:32,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.4230769230769231) internal successors, (37), 26 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:09:32,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2023-11-12 00:09:32,343 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 18 [2023-11-12 00:09:32,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:09:32,344 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2023-11-12 00:09:32,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 1.2564102564102564) internal successors, (49), 39 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:09:32,345 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2023-11-12 00:09:32,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-12 00:09:32,346 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:09:32,346 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:09:32,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-12 00:09:32,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-12 00:09:32,553 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:09:32,553 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:09:32,553 INFO L85 PathProgramCache]: Analyzing trace with hash -1892270961, now seen corresponding path program 4 times [2023-11-12 00:09:32,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:09:32,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390856418] [2023-11-12 00:09:32,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:32,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:09:32,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:09:32,677 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-12 00:09:32,677 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:09:32,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390856418] [2023-11-12 00:09:32,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390856418] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:09:32,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [526310255] [2023-11-12 00:09:32,678 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-11-12 00:09:32,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:09:32,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:09:32,679 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:09:32,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-12 00:09:32,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:09:32,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 00:09:32,817 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:09:32,834 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-12 00:09:32,834 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:09:32,857 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-12 00:09:32,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [526310255] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:09:32,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1783123065] [2023-11-12 00:09:32,861 INFO L159 IcfgInterpreter]: Started Sifa with 11 locations of interest [2023-11-12 00:09:32,861 INFO L166 IcfgInterpreter]: Building call graph [2023-11-12 00:09:32,861 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-12 00:09:32,862 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-12 00:09:32,862 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-12 00:09:33,821 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-12 00:09:34,857 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '930#(and (= |ULTIMATE.start_main_~len~0#1| |ULTIMATE.start_main_~expected~0#1|) (= |ULTIMATE.start_main_~i~0#1| 0) (<= 0 (+ |ULTIMATE.start_dll_get_data_at_#res#1| 2147483648)) (<= |ULTIMATE.start_dll_get_data_at_#res#1| 2147483647) (<= 1 |ULTIMATE.start_main_~len~0#1|) (= (select (select |#memory_int| |ULTIMATE.start_main_~s~0#1.base|) |ULTIMATE.start_main_~s~0#1.offset|) |ULTIMATE.start_dll_get_data_at_#res#1|) (not (= |ULTIMATE.start_main_~expected~0#1| |ULTIMATE.start_dll_get_data_at_#res#1|)) (exists ((|v_ULTIMATE.start_main_~i~0#1_83| Int) (|v_ULTIMATE.start_main_~new_data~0#1_39| Int)) (and (<= 1 |#StackHeapBarrier|) (= |v_ULTIMATE.start_main_~i~0#1_83| 2) (<= |v_ULTIMATE.start_main_~new_data~0#1_39| 3) (exists ((|v_#memory_int_109| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_88| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_89| (Array Int (Array Int Int))) (|v_ULTIMATE.start_dll_update_at_~head#1.base_60| Int) (|v_ULTIMATE.start_dll_update_at_~head#1.offset_58| Int)) (and (= |#memory_$Pointer$.offset| (store |v_#memory_$Pointer$.offset_88| |v_ULTIMATE.start_dll_update_at_~head#1.base_60| (store (select |v_#memory_$Pointer$.offset_88| |v_ULTIMATE.start_dll_update_at_~head#1.base_60|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_58| (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_dll_update_at_~head#1.base_60|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_58|)))) (= |#memory_$Pointer$.base| (store |v_#memory_$Pointer$.base_89| |v_ULTIMATE.start_dll_update_at_~head#1.base_60| (store (select |v_#memory_$Pointer$.base_89| |v_ULTIMATE.start_dll_update_at_~head#1.base_60|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_58| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_dll_update_at_~head#1.base_60|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_58|)))) (<= (select (select |#memory_int| |v_ULTIMATE.start_dll_update_at_~head#1.base_60|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_58|) 3) (= |#memory_int| (store |v_#memory_int_109| |v_ULTIMATE.start_dll_update_at_~head#1.base_60| (store (select |v_#memory_int_109| |v_ULTIMATE.start_dll_update_at_~head#1.base_60|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_58| (select (select |#memory_int| |v_ULTIMATE.start_dll_update_at_~head#1.base_60|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_58|)))) (<= 2 (select (select |#memory_int| |v_ULTIMATE.start_dll_update_at_~head#1.base_60|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_58|)))) (<= 2 |v_ULTIMATE.start_main_~new_data~0#1_39|) (= |ULTIMATE.start_main_~data~0#1| 1) (= |ULTIMATE.start_main_~len~0#1| 2) (= |ULTIMATE.start_dll_create_#res#1.offset| 0) (= |ULTIMATE.start_main_~s~0#1.offset| 0))))' at error location [2023-11-12 00:09:34,857 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-11-12 00:09:34,857 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 00:09:34,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 7 [2023-11-12 00:09:34,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140669728] [2023-11-12 00:09:34,858 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 00:09:34,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-12 00:09:34,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:09:34,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-12 00:09:34,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2023-11-12 00:09:34,860 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:09:35,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:09:35,027 INFO L93 Difference]: Finished difference Result 45 states and 61 transitions. [2023-11-12 00:09:35,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-12 00:09:35,028 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2023-11-12 00:09:35,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:09:35,029 INFO L225 Difference]: With dead ends: 45 [2023-11-12 00:09:35,029 INFO L226 Difference]: Without dead ends: 38 [2023-11-12 00:09:35,029 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 45 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=69, Invalid=237, Unknown=0, NotChecked=0, Total=306 [2023-11-12 00:09:35,030 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 12 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:09:35,030 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 31 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:09:35,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2023-11-12 00:09:35,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 28. [2023-11-12 00:09:35,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 27 states have (on average 1.4074074074074074) internal successors, (38), 27 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:09:35,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 38 transitions. [2023-11-12 00:09:35,043 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 38 transitions. Word has length 19 [2023-11-12 00:09:35,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:09:35,043 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 38 transitions. [2023-11-12 00:09:35,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:09:35,044 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2023-11-12 00:09:35,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-12 00:09:35,045 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:09:35,045 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:09:35,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-12 00:09:35,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:09:35,251 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:09:35,251 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:09:35,252 INFO L85 PathProgramCache]: Analyzing trace with hash -415837660, now seen corresponding path program 1 times [2023-11-12 00:09:35,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:09:35,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260293616] [2023-11-12 00:09:35,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:35,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:09:35,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:09:35,347 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-12 00:09:35,348 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:09:35,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260293616] [2023-11-12 00:09:35,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260293616] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:09:35,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:09:35,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 00:09:35,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690584611] [2023-11-12 00:09:35,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:09:35,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:09:35,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:09:35,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:09:35,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:09:35,351 INFO L87 Difference]: Start difference. First operand 28 states and 38 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:09:35,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:09:35,423 INFO L93 Difference]: Finished difference Result 38 states and 50 transitions. [2023-11-12 00:09:35,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 00:09:35,424 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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 19 [2023-11-12 00:09:35,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:09:35,425 INFO L225 Difference]: With dead ends: 38 [2023-11-12 00:09:35,426 INFO L226 Difference]: Without dead ends: 33 [2023-11-12 00:09:35,427 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:09:35,427 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 5 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:09:35,428 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 17 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:09:35,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2023-11-12 00:09:35,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 30. [2023-11-12 00:09:35,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 29 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:09:35,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 39 transitions. [2023-11-12 00:09:35,450 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 39 transitions. Word has length 19 [2023-11-12 00:09:35,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:09:35,450 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 39 transitions. [2023-11-12 00:09:35,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:09:35,451 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2023-11-12 00:09:35,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-12 00:09:35,451 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:09:35,452 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:09:35,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-12 00:09:35,452 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:09:35,452 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:09:35,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1084985757, now seen corresponding path program 5 times [2023-11-12 00:09:35,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:09:35,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832844859] [2023-11-12 00:09:35,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:35,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:09:35,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:09:35,570 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-12 00:09:35,570 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:09:35,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832844859] [2023-11-12 00:09:35,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832844859] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:09:35,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [375384772] [2023-11-12 00:09:35,571 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-12 00:09:35,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:09:35,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:09:35,572 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:09:35,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-12 00:09:35,736 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-11-12 00:09:35,737 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-12 00:09:35,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 00:09:35,742 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:09:35,796 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-12 00:09:35,796 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:09:35,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [375384772] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:09:35,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 00:09:35,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2023-11-12 00:09:35,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759476793] [2023-11-12 00:09:35,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:09:35,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 00:09:35,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:09:35,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 00:09:35,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-12 00:09:35,798 INFO L87 Difference]: Start difference. First operand 30 states and 39 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:09:35,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:09:35,879 INFO L93 Difference]: Finished difference Result 44 states and 58 transitions. [2023-11-12 00:09:35,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 00:09:35,881 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 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 20 [2023-11-12 00:09:35,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:09:35,881 INFO L225 Difference]: With dead ends: 44 [2023-11-12 00:09:35,881 INFO L226 Difference]: Without dead ends: 37 [2023-11-12 00:09:35,882 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-11-12 00:09:35,883 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 14 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:09:35,883 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 15 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:09:35,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2023-11-12 00:09:35,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 30. [2023-11-12 00:09:35,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 29 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:09:35,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 39 transitions. [2023-11-12 00:09:35,895 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 39 transitions. Word has length 20 [2023-11-12 00:09:35,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:09:35,895 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 39 transitions. [2023-11-12 00:09:35,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:09:35,896 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2023-11-12 00:09:35,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-12 00:09:35,896 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:09:35,896 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:09:35,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-12 00:09:36,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:09:36,103 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:09:36,103 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:09:36,103 INFO L85 PathProgramCache]: Analyzing trace with hash -463793951, now seen corresponding path program 6 times [2023-11-12 00:09:36,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:09:36,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363459350] [2023-11-12 00:09:36,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:36,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:09:36,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:09:36,212 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-12 00:09:36,212 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:09:36,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363459350] [2023-11-12 00:09:36,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363459350] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:09:36,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [87929042] [2023-11-12 00:09:36,213 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-12 00:09:36,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:09:36,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:09:36,214 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:09:36,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-12 00:09:36,383 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-12 00:09:36,384 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-12 00:09:36,385 INFO L262 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 00:09:36,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:09:36,400 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-12 00:09:36,400 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:09:36,422 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-12 00:09:36,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [87929042] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:09:36,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1061196431] [2023-11-12 00:09:36,427 INFO L159 IcfgInterpreter]: Started Sifa with 11 locations of interest [2023-11-12 00:09:36,427 INFO L166 IcfgInterpreter]: Building call graph [2023-11-12 00:09:36,427 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-12 00:09:36,428 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-12 00:09:36,428 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-12 00:09:37,040 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-12 00:09:37,954 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1493#(and (= |ULTIMATE.start_main_~len~0#1| |ULTIMATE.start_main_~expected~0#1|) (= |ULTIMATE.start_main_~i~0#1| 0) (<= 0 (+ |ULTIMATE.start_dll_get_data_at_#res#1| 2147483648)) (<= |ULTIMATE.start_dll_get_data_at_#res#1| 2147483647) (<= 1 |ULTIMATE.start_main_~len~0#1|) (= (select (select |#memory_int| |ULTIMATE.start_main_~s~0#1.base|) |ULTIMATE.start_main_~s~0#1.offset|) |ULTIMATE.start_dll_get_data_at_#res#1|) (exists ((|v_ULTIMATE.start_main_~i~0#1_96| Int) (|v_ULTIMATE.start_main_~new_data~0#1_47| Int)) (and (<= 1 |#StackHeapBarrier|) (<= 2 |v_ULTIMATE.start_main_~new_data~0#1_47|) (<= |v_ULTIMATE.start_main_~new_data~0#1_47| 3) (= |ULTIMATE.start_main_~data~0#1| 1) (= |v_ULTIMATE.start_main_~i~0#1_96| 2) (= |ULTIMATE.start_main_~len~0#1| 2) (= |ULTIMATE.start_dll_create_#res#1.offset| 0) (exists ((|v_#memory_$Pointer$.base_109| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_108| (Array Int (Array Int Int))) (|v_#memory_int_139| (Array Int (Array Int Int))) (|v_ULTIMATE.start_dll_update_at_~head#1.base_71| Int) (|v_ULTIMATE.start_dll_update_at_~head#1.offset_69| Int)) (and (= (store |v_#memory_$Pointer$.base_109| |v_ULTIMATE.start_dll_update_at_~head#1.base_71| (store (select |v_#memory_$Pointer$.base_109| |v_ULTIMATE.start_dll_update_at_~head#1.base_71|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_69| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_dll_update_at_~head#1.base_71|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_69|))) |#memory_$Pointer$.base|) (= |#memory_$Pointer$.offset| (store |v_#memory_$Pointer$.offset_108| |v_ULTIMATE.start_dll_update_at_~head#1.base_71| (store (select |v_#memory_$Pointer$.offset_108| |v_ULTIMATE.start_dll_update_at_~head#1.base_71|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_69| (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_dll_update_at_~head#1.base_71|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_69|)))) (= |#memory_int| (store |v_#memory_int_139| |v_ULTIMATE.start_dll_update_at_~head#1.base_71| (store (select |v_#memory_int_139| |v_ULTIMATE.start_dll_update_at_~head#1.base_71|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_69| (select (select |#memory_int| |v_ULTIMATE.start_dll_update_at_~head#1.base_71|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_69|)))) (<= (select (select |#memory_int| |v_ULTIMATE.start_dll_update_at_~head#1.base_71|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_69|) 3) (<= 2 (select (select |#memory_int| |v_ULTIMATE.start_dll_update_at_~head#1.base_71|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_69|)))) (= |ULTIMATE.start_main_~s~0#1.offset| 0))) (not (= |ULTIMATE.start_main_~expected~0#1| |ULTIMATE.start_dll_get_data_at_#res#1|)))' at error location [2023-11-12 00:09:37,954 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-11-12 00:09:37,954 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 00:09:37,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 6 [2023-11-12 00:09:37,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973074593] [2023-11-12 00:09:37,955 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 00:09:37,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 00:09:37,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:09:37,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 00:09:37,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2023-11-12 00:09:37,956 INFO L87 Difference]: Start difference. First operand 30 states and 39 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:09:38,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:09:38,050 INFO L93 Difference]: Finished difference Result 43 states and 56 transitions. [2023-11-12 00:09:38,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 00:09:38,051 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 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 20 [2023-11-12 00:09:38,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:09:38,051 INFO L225 Difference]: With dead ends: 43 [2023-11-12 00:09:38,052 INFO L226 Difference]: Without dead ends: 32 [2023-11-12 00:09:38,052 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 48 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2023-11-12 00:09:38,053 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 12 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:09:38,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 25 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:09:38,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2023-11-12 00:09:38,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 29. [2023-11-12 00:09:38,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.25) internal successors, (35), 28 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:09:38,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 35 transitions. [2023-11-12 00:09:38,065 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 35 transitions. Word has length 20 [2023-11-12 00:09:38,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:09:38,065 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 35 transitions. [2023-11-12 00:09:38,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:09:38,066 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2023-11-12 00:09:38,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-12 00:09:38,066 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:09:38,067 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:09:38,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-12 00:09:38,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:09:38,278 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:09:38,278 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:09:38,278 INFO L85 PathProgramCache]: Analyzing trace with hash 1205043523, now seen corresponding path program 1 times [2023-11-12 00:09:38,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:09:38,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179728409] [2023-11-12 00:09:38,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:38,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:09:38,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:09:38,367 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-12 00:09:38,367 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:09:38,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179728409] [2023-11-12 00:09:38,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179728409] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:09:38,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1752685663] [2023-11-12 00:09:38,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:38,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:09:38,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:09:38,369 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:09:38,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-12 00:09:38,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:09:38,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 00:09:38,556 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:09:38,569 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-12 00:09:38,570 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:09:38,589 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-12 00:09:38,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1752685663] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:09:38,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [473079693] [2023-11-12 00:09:38,591 INFO L159 IcfgInterpreter]: Started Sifa with 11 locations of interest [2023-11-12 00:09:38,591 INFO L166 IcfgInterpreter]: Building call graph [2023-11-12 00:09:38,592 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-12 00:09:38,592 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-12 00:09:38,592 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-12 00:09:39,373 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-12 00:09:40,762 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1749#(and (= |ULTIMATE.start_main_~len~0#1| |ULTIMATE.start_main_~expected~0#1|) (exists ((|v_ULTIMATE.start_main_~i~0#1_104| Int) (|v_ULTIMATE.start_main_~new_data~0#1_52| Int)) (and (<= 1 |#StackHeapBarrier|) (<= |v_ULTIMATE.start_main_~new_data~0#1_52| 3) (= 2 |v_ULTIMATE.start_main_~i~0#1_104|) (= |ULTIMATE.start_main_~data~0#1| 1) (exists ((|v_ULTIMATE.start_dll_update_at_~head#1.base_78| Int) (|v_ULTIMATE.start_dll_update_at_~head#1.offset_76| Int) (|v_#memory_$Pointer$.offset_119| (Array Int (Array Int Int))) (|v_#memory_int_154| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_120| (Array Int (Array Int Int)))) (and (= |#memory_$Pointer$.base| (store |v_#memory_$Pointer$.base_120| |v_ULTIMATE.start_dll_update_at_~head#1.base_78| (store (select |v_#memory_$Pointer$.base_120| |v_ULTIMATE.start_dll_update_at_~head#1.base_78|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_76| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_dll_update_at_~head#1.base_78|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_76|)))) (= |#memory_int| (store |v_#memory_int_154| |v_ULTIMATE.start_dll_update_at_~head#1.base_78| (store (select |v_#memory_int_154| |v_ULTIMATE.start_dll_update_at_~head#1.base_78|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_76| (select (select |#memory_int| |v_ULTIMATE.start_dll_update_at_~head#1.base_78|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_76|)))) (<= (select (select |#memory_int| |v_ULTIMATE.start_dll_update_at_~head#1.base_78|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_76|) 3) (= |#memory_$Pointer$.offset| (store |v_#memory_$Pointer$.offset_119| |v_ULTIMATE.start_dll_update_at_~head#1.base_78| (store (select |v_#memory_$Pointer$.offset_119| |v_ULTIMATE.start_dll_update_at_~head#1.base_78|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_76| (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_dll_update_at_~head#1.base_78|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_76|)))) (<= 2 (select (select |#memory_int| |v_ULTIMATE.start_dll_update_at_~head#1.base_78|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_76|)))) (= |ULTIMATE.start_main_~len~0#1| 2) (= |ULTIMATE.start_dll_create_#res#1.offset| 0) (<= 2 |v_ULTIMATE.start_main_~new_data~0#1_52|) (= |ULTIMATE.start_main_~s~0#1.offset| 0))) (= |ULTIMATE.start_main_~i~0#1| 0) (<= 0 (+ |ULTIMATE.start_dll_get_data_at_#res#1| 2147483648)) (<= |ULTIMATE.start_dll_get_data_at_#res#1| 2147483647) (<= 1 |ULTIMATE.start_main_~len~0#1|) (= (select (select |#memory_int| |ULTIMATE.start_main_~s~0#1.base|) |ULTIMATE.start_main_~s~0#1.offset|) |ULTIMATE.start_dll_get_data_at_#res#1|) (not (= |ULTIMATE.start_main_~expected~0#1| |ULTIMATE.start_dll_get_data_at_#res#1|)))' at error location [2023-11-12 00:09:40,762 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-11-12 00:09:40,763 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 00:09:40,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 6 [2023-11-12 00:09:40,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755419510] [2023-11-12 00:09:40,763 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 00:09:40,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 00:09:40,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:09:40,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 00:09:40,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2023-11-12 00:09:40,764 INFO L87 Difference]: Start difference. First operand 29 states and 35 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:09:40,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:09:40,895 INFO L93 Difference]: Finished difference Result 38 states and 46 transitions. [2023-11-12 00:09:40,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 00:09:40,903 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 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 21 [2023-11-12 00:09:40,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:09:40,907 INFO L225 Difference]: With dead ends: 38 [2023-11-12 00:09:40,909 INFO L226 Difference]: Without dead ends: 33 [2023-11-12 00:09:40,909 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 51 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2023-11-12 00:09:40,910 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 11 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:09:40,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 25 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:09:40,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2023-11-12 00:09:40,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 30. [2023-11-12 00:09:40,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 29 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:09:40,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 36 transitions. [2023-11-12 00:09:40,930 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 36 transitions. Word has length 21 [2023-11-12 00:09:40,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:09:40,931 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 36 transitions. [2023-11-12 00:09:40,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:09:40,931 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2023-11-12 00:09:40,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-12 00:09:40,935 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:09:40,935 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:09:40,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-12 00:09:41,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:09:41,142 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:09:41,143 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:09:41,143 INFO L85 PathProgramCache]: Analyzing trace with hash -1299778368, now seen corresponding path program 1 times [2023-11-12 00:09:41,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:09:41,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012756321] [2023-11-12 00:09:41,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:41,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:09:41,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:09:42,607 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:09:42,607 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:09:42,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012756321] [2023-11-12 00:09:42,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012756321] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:09:42,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [596966165] [2023-11-12 00:09:42,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:42,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:09:42,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:09:42,609 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:09:42,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-12 00:09:42,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:09:42,796 INFO L262 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 89 conjunts are in the unsatisfiable core [2023-11-12 00:09:42,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:09:42,831 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2023-11-12 00:09:42,945 INFO L322 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-12 00:09:42,946 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-11-12 00:09:43,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:09:43,013 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 19 treesize of output 23 [2023-11-12 00:09:43,024 INFO L322 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-12 00:09:43,025 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 49 [2023-11-12 00:09:43,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:09:43,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:09:43,220 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 00:09:43,221 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 26 [2023-11-12 00:09:43,511 INFO L322 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-12 00:09:43,512 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 68 [2023-11-12 00:09:43,523 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2023-11-12 00:09:43,529 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 32 treesize of output 19 [2023-11-12 00:09:43,910 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 26 [2023-11-12 00:09:43,917 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 19 treesize of output 11 [2023-11-12 00:09:44,011 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:09:44,011 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:09:44,202 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 64 [2023-11-12 00:09:44,214 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (+ |c_ULTIMATE.start_main_~s~0#1.offset| 4))) (and (= |c_ULTIMATE.start_dll_update_at_~data#1| (+ |c_ULTIMATE.start_main_~len~0#1| 1)) (forall ((v_ArrVal_980 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_update_at_~head#1.base| v_ArrVal_980) |c_ULTIMATE.start_main_~s~0#1.base|) .cse0) |c_ULTIMATE.start_dll_update_at_~head#1.base|)) (forall ((v_ArrVal_979 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_update_at_~head#1.base| v_ArrVal_979) |c_ULTIMATE.start_main_~s~0#1.base|) .cse0) |c_ULTIMATE.start_dll_update_at_~head#1.offset|)))) is different from false [2023-11-12 00:09:44,230 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 00:09:44,230 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 50 treesize of output 43 [2023-11-12 00:09:44,235 INFO L351 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 17 treesize of output 13 [2023-11-12 00:09:44,359 WARN L854 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_978 (Array Int Int))) (or (not (= v_ArrVal_978 (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_update_at_~head#1.base|) |c_ULTIMATE.start_dll_update_at_~head#1.offset| (select v_ArrVal_978 |c_ULTIMATE.start_dll_update_at_~head#1.offset|)))) (not (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_update_at_~head#1.base| v_ArrVal_978) |c_ULTIMATE.start_main_~s~0#1.base|) (+ |c_ULTIMATE.start_main_~s~0#1.offset| 4)) |c_ULTIMATE.start_main_~s~0#1.base|)))) (= |c_ULTIMATE.start_main_~i~0#1| 0)) is different from false [2023-11-12 00:09:44,604 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 00:09:44,605 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 87 treesize of output 107 [2023-11-12 00:09:44,633 INFO L322 Elim1Store]: treesize reduction 21, result has 38.2 percent of original size [2023-11-12 00:09:44,633 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 75 [2023-11-12 00:09:44,670 INFO L322 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2023-11-12 00:09:44,671 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 78 treesize of output 86 [2023-11-12 00:09:44,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:09:44,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:09:44,739 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 44 [2023-11-12 00:09:44,746 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-12 00:09:44,748 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2023-11-12 00:09:44,751 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-12 00:09:44,753 INFO L351 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 [2023-11-12 00:09:44,759 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-12 00:09:44,759 INFO L351 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 17 treesize of output 9 [2023-11-12 00:09:44,894 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 3 not checked. [2023-11-12 00:09:44,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [596966165] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:09:44,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [967380169] [2023-11-12 00:09:44,896 INFO L159 IcfgInterpreter]: Started Sifa with 11 locations of interest [2023-11-12 00:09:44,897 INFO L166 IcfgInterpreter]: Building call graph [2023-11-12 00:09:44,897 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-12 00:09:44,897 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-12 00:09:44,897 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-12 00:09:49,113 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-12 00:09:50,969 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2043#(and (<= 0 (+ |ULTIMATE.start_dll_get_data_at_#res#1| 2147483648)) (<= 1 |ULTIMATE.start_main_~expected~0#1|) (<= |ULTIMATE.start_dll_get_data_at_#res#1| 2147483647) (exists ((|v_ULTIMATE.start_main_#t~ret15#1_40| Int)) (and (<= 0 (+ |v_ULTIMATE.start_main_#t~ret15#1_40| 2147483648)) (not (= |v_ULTIMATE.start_main_#t~ret15#1_40| |ULTIMATE.start_main_~expected~0#1|)) (or (and (<= 2 |ULTIMATE.start_main_~len~0#1|) (= |v_ULTIMATE.start_main_#t~ret15#1_40| |ULTIMATE.start_dll_get_data_at_#res#1|) (= |ULTIMATE.start_main_~i~0#1| 1) (= (select (select |#memory_int| |ULTIMATE.start_main_~s~0#1.base|) |ULTIMATE.start_main_~s~0#1.offset|) |ULTIMATE.start_main_~len~0#1|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) |ULTIMATE.start_dll_get_data_at_#res#1|) (exists ((|v_ULTIMATE.start_main_~i~0#1_118| Int) (|v_ULTIMATE.start_main_~new_data~0#1_59| Int)) (and (<= 1 |#StackHeapBarrier|) (<= 2 |v_ULTIMATE.start_main_~new_data~0#1_59|) (<= |v_ULTIMATE.start_main_~i~0#1_118| 2) (exists ((|v_ULTIMATE.start_dll_update_at_~head#1.base_91| Int) (|v_#memory_$Pointer$.base_138| (Array Int (Array Int Int))) (|v_ULTIMATE.start_dll_update_at_~head#1.offset_89| Int) (|v_#memory_$Pointer$.offset_136| (Array Int (Array Int Int))) (|v_#memory_int_175| (Array Int (Array Int Int)))) (and (<= 2 (select (select |#memory_int| |v_ULTIMATE.start_dll_update_at_~head#1.base_91|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_89|)) (<= (select (select |#memory_int| |v_ULTIMATE.start_dll_update_at_~head#1.base_91|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_89|) 3) (= |#memory_$Pointer$.base| (store |v_#memory_$Pointer$.base_138| |v_ULTIMATE.start_dll_update_at_~head#1.base_91| (store (select |v_#memory_$Pointer$.base_138| |v_ULTIMATE.start_dll_update_at_~head#1.base_91|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_89| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_dll_update_at_~head#1.base_91|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_89|)))) (= |#memory_$Pointer$.offset| (store |v_#memory_$Pointer$.offset_136| |v_ULTIMATE.start_dll_update_at_~head#1.base_91| (store (select |v_#memory_$Pointer$.offset_136| |v_ULTIMATE.start_dll_update_at_~head#1.base_91|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_89| (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_dll_update_at_~head#1.base_91|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_89|)))) (= |#memory_int| (store |v_#memory_int_175| |v_ULTIMATE.start_dll_update_at_~head#1.base_91| (store (select |v_#memory_int_175| |v_ULTIMATE.start_dll_update_at_~head#1.base_91|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_89| (select (select |#memory_int| |v_ULTIMATE.start_dll_update_at_~head#1.base_91|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_89|)))))) (= |ULTIMATE.start_main_~data~0#1| 1) (= |ULTIMATE.start_dll_create_#res#1.offset| 0) (<= |ULTIMATE.start_main_~len~0#1| |v_ULTIMATE.start_main_~i~0#1_118|) (<= |v_ULTIMATE.start_main_~new_data~0#1_59| 3) (= |ULTIMATE.start_main_~s~0#1.offset| 0))) (= |ULTIMATE.start_main_~expected~0#1| (+ |ULTIMATE.start_main_~len~0#1| 1)) (<= (select (select |#memory_int| |ULTIMATE.start_main_~s~0#1.base|) |ULTIMATE.start_main_~s~0#1.offset|) 2147483647)) (and (= |ULTIMATE.start_main_~len~0#1| |ULTIMATE.start_main_~expected~0#1|) (= |ULTIMATE.start_main_~i~0#1| 0) (= |v_ULTIMATE.start_main_#t~ret15#1_40| |ULTIMATE.start_dll_get_data_at_#res#1|) (exists ((|v_ULTIMATE.start_main_~i~0#1_118| Int) (|v_ULTIMATE.start_main_~new_data~0#1_59| Int)) (and (= 2 |v_ULTIMATE.start_main_~i~0#1_118|) (<= 1 |#StackHeapBarrier|) (<= 2 |v_ULTIMATE.start_main_~new_data~0#1_59|) (exists ((|v_ULTIMATE.start_dll_update_at_~head#1.base_91| Int) (|v_#memory_$Pointer$.base_138| (Array Int (Array Int Int))) (|v_ULTIMATE.start_dll_update_at_~head#1.offset_89| Int) (|v_#memory_$Pointer$.offset_136| (Array Int (Array Int Int))) (|v_#memory_int_175| (Array Int (Array Int Int)))) (and (<= 2 (select (select |#memory_int| |v_ULTIMATE.start_dll_update_at_~head#1.base_91|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_89|)) (<= (select (select |#memory_int| |v_ULTIMATE.start_dll_update_at_~head#1.base_91|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_89|) 3) (= |#memory_$Pointer$.base| (store |v_#memory_$Pointer$.base_138| |v_ULTIMATE.start_dll_update_at_~head#1.base_91| (store (select |v_#memory_$Pointer$.base_138| |v_ULTIMATE.start_dll_update_at_~head#1.base_91|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_89| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_dll_update_at_~head#1.base_91|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_89|)))) (= |#memory_$Pointer$.offset| (store |v_#memory_$Pointer$.offset_136| |v_ULTIMATE.start_dll_update_at_~head#1.base_91| (store (select |v_#memory_$Pointer$.offset_136| |v_ULTIMATE.start_dll_update_at_~head#1.base_91|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_89| (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_dll_update_at_~head#1.base_91|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_89|)))) (= |#memory_int| (store |v_#memory_int_175| |v_ULTIMATE.start_dll_update_at_~head#1.base_91| (store (select |v_#memory_int_175| |v_ULTIMATE.start_dll_update_at_~head#1.base_91|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_89| (select (select |#memory_int| |v_ULTIMATE.start_dll_update_at_~head#1.base_91|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_89|)))))) (= |ULTIMATE.start_main_~data~0#1| 1) (= |ULTIMATE.start_main_~len~0#1| 2) (= |ULTIMATE.start_dll_create_#res#1.offset| 0) (<= |v_ULTIMATE.start_main_~new_data~0#1_59| 3) (= |ULTIMATE.start_main_~s~0#1.offset| 0))) (= (select (select |#memory_int| |ULTIMATE.start_main_~s~0#1.base|) |ULTIMATE.start_main_~s~0#1.offset|) |ULTIMATE.start_dll_get_data_at_#res#1|))) (<= |v_ULTIMATE.start_main_#t~ret15#1_40| 2147483647))) (<= 1 |ULTIMATE.start_main_~len~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|))' at error location [2023-11-12 00:09:50,969 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-11-12 00:09:50,969 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 00:09:50,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 46 [2023-11-12 00:09:50,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939884448] [2023-11-12 00:09:50,970 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 00:09:50,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2023-11-12 00:09:50,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:09:50,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2023-11-12 00:09:50,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=196, Invalid=2462, Unknown=2, NotChecked=202, Total=2862 [2023-11-12 00:09:50,973 INFO L87 Difference]: Start difference. First operand 30 states and 36 transitions. Second operand has 46 states, 46 states have (on average 1.326086956521739) internal successors, (61), 46 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:09:52,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:09:52,223 INFO L93 Difference]: Finished difference Result 55 states and 67 transitions. [2023-11-12 00:09:52,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-12 00:09:52,225 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 46 states have (on average 1.326086956521739) internal successors, (61), 46 states have internal predecessors, (61), 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 22 [2023-11-12 00:09:52,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:09:52,225 INFO L225 Difference]: With dead ends: 55 [2023-11-12 00:09:52,225 INFO L226 Difference]: Without dead ends: 53 [2023-11-12 00:09:52,227 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 61 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 803 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=308, Invalid=3358, Unknown=2, NotChecked=238, Total=3906 [2023-11-12 00:09:52,228 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 115 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 573 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 96 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-12 00:09:52,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 98 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 573 Invalid, 0 Unknown, 96 Unchecked, 0.7s Time] [2023-11-12 00:09:52,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2023-11-12 00:09:52,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 37. [2023-11-12 00:09:52,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 36 states have (on average 1.25) internal successors, (45), 36 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:09:52,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 45 transitions. [2023-11-12 00:09:52,241 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 45 transitions. Word has length 22 [2023-11-12 00:09:52,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:09:52,241 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 45 transitions. [2023-11-12 00:09:52,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 1.326086956521739) internal successors, (61), 46 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:09:52,242 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2023-11-12 00:09:52,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-12 00:09:52,243 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:09:52,243 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:09:52,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-11-12 00:09:52,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:09:52,449 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:09:52,449 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:09:52,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1052467171, now seen corresponding path program 7 times [2023-11-12 00:09:52,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:09:52,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648148392] [2023-11-12 00:09:52,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:52,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:09:52,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:09:52,552 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-12 00:09:52,553 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:09:52,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648148392] [2023-11-12 00:09:52,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648148392] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:09:52,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [617852599] [2023-11-12 00:09:52,553 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-11-12 00:09:52,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:09:52,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:09:52,555 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:09:52,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-12 00:09:52,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:09:52,764 INFO L262 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 00:09:52,768 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:09:52,820 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-12 00:09:52,820 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:09:52,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [617852599] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:09:52,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 00:09:52,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2023-11-12 00:09:52,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851061527] [2023-11-12 00:09:52,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:09:52,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 00:09:52,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:09:52,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 00:09:52,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-12 00:09:52,823 INFO L87 Difference]: Start difference. First operand 37 states and 45 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:09:52,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:09:52,904 INFO L93 Difference]: Finished difference Result 43 states and 52 transitions. [2023-11-12 00:09:52,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 00:09:52,905 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-11-12 00:09:52,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:09:52,906 INFO L225 Difference]: With dead ends: 43 [2023-11-12 00:09:52,906 INFO L226 Difference]: Without dead ends: 24 [2023-11-12 00:09:52,906 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-12 00:09:52,907 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 10 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:09:52,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 14 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:09:52,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2023-11-12 00:09:52,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2023-11-12 00:09:52,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.0869565217391304) internal successors, (25), 23 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:09:52,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2023-11-12 00:09:52,917 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 22 [2023-11-12 00:09:52,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:09:52,917 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2023-11-12 00:09:52,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:09:52,918 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2023-11-12 00:09:52,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-12 00:09:52,920 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:09:52,920 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:09:52,930 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-12 00:09:53,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:09:53,126 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:09:53,126 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:09:53,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1639845661, now seen corresponding path program 2 times [2023-11-12 00:09:53,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:09:53,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382622644] [2023-11-12 00:09:53,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:53,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:09:53,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:09:53,237 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-12 00:09:53,238 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:09:53,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382622644] [2023-11-12 00:09:53,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382622644] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:09:53,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [164302725] [2023-11-12 00:09:53,239 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-12 00:09:53,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:09:53,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:09:53,243 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:09:53,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-12 00:09:53,432 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-11-12 00:09:53,432 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-12 00:09:53,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 00:09:53,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:09:53,465 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-12 00:09:53,465 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:09:53,499 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-12 00:09:53,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [164302725] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:09:53,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1622053452] [2023-11-12 00:09:53,503 INFO L159 IcfgInterpreter]: Started Sifa with 11 locations of interest [2023-11-12 00:09:53,503 INFO L166 IcfgInterpreter]: Building call graph [2023-11-12 00:09:53,503 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-12 00:09:53,504 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-12 00:09:53,504 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-12 00:09:56,944 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-12 00:09:57,935 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2545#(and (exists ((|v_ULTIMATE.start_main_#t~ret15#1_46| Int)) (and (<= |v_ULTIMATE.start_main_#t~ret15#1_46| 2147483647) (not (= |v_ULTIMATE.start_main_#t~ret15#1_46| |ULTIMATE.start_main_~expected~0#1|)) (or (and (<= 2 |ULTIMATE.start_main_~len~0#1|) (= |ULTIMATE.start_main_~i~0#1| 1) (= (select (select |#memory_int| |ULTIMATE.start_main_~s~0#1.base|) |ULTIMATE.start_main_~s~0#1.offset|) |ULTIMATE.start_main_~len~0#1|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) |ULTIMATE.start_dll_get_data_at_#res#1|) (= |ULTIMATE.start_main_~expected~0#1| (+ |ULTIMATE.start_main_~len~0#1| 1)) (= |v_ULTIMATE.start_main_#t~ret15#1_46| |ULTIMATE.start_dll_get_data_at_#res#1|) (<= (select (select |#memory_int| |ULTIMATE.start_main_~s~0#1.base|) |ULTIMATE.start_main_~s~0#1.offset|) 2147483647) (exists ((|v_ULTIMATE.start_main_~new_data~0#1_67| Int) (|v_ULTIMATE.start_main_~i~0#1_134| Int)) (and (<= 2 |v_ULTIMATE.start_main_~new_data~0#1_67|) (<= 1 |#StackHeapBarrier|) (exists ((|v_ULTIMATE.start_dll_update_at_~head#1.base_103| Int) (|v_#memory_int_203| (Array Int (Array Int Int))) (|v_ULTIMATE.start_dll_update_at_~head#1.offset_101| Int) (|v_#memory_$Pointer$.base_158| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_156| (Array Int (Array Int Int)))) (and (= |#memory_$Pointer$.base| (store |v_#memory_$Pointer$.base_158| |v_ULTIMATE.start_dll_update_at_~head#1.base_103| (store (select |v_#memory_$Pointer$.base_158| |v_ULTIMATE.start_dll_update_at_~head#1.base_103|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_101| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_dll_update_at_~head#1.base_103|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_101|)))) (= |#memory_$Pointer$.offset| (store |v_#memory_$Pointer$.offset_156| |v_ULTIMATE.start_dll_update_at_~head#1.base_103| (store (select |v_#memory_$Pointer$.offset_156| |v_ULTIMATE.start_dll_update_at_~head#1.base_103|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_101| (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_dll_update_at_~head#1.base_103|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_101|)))) (<= (select (select |#memory_int| |v_ULTIMATE.start_dll_update_at_~head#1.base_103|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_101|) 3) (= |#memory_int| (store |v_#memory_int_203| |v_ULTIMATE.start_dll_update_at_~head#1.base_103| (store (select |v_#memory_int_203| |v_ULTIMATE.start_dll_update_at_~head#1.base_103|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_101| (select (select |#memory_int| |v_ULTIMATE.start_dll_update_at_~head#1.base_103|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_101|)))) (<= 2 (select (select |#memory_int| |v_ULTIMATE.start_dll_update_at_~head#1.base_103|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_101|)))) (= |ULTIMATE.start_main_~data~0#1| 1) (= |ULTIMATE.start_dll_create_#res#1.offset| 0) (<= |v_ULTIMATE.start_main_~i~0#1_134| 2) (<= |v_ULTIMATE.start_main_~new_data~0#1_67| 3) (<= |ULTIMATE.start_main_~len~0#1| |v_ULTIMATE.start_main_~i~0#1_134|) (= |ULTIMATE.start_main_~s~0#1.offset| 0)))) (and (= |ULTIMATE.start_main_~len~0#1| |ULTIMATE.start_main_~expected~0#1|) (= |ULTIMATE.start_main_~i~0#1| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~s~0#1.base|) |ULTIMATE.start_main_~s~0#1.offset|) |ULTIMATE.start_dll_get_data_at_#res#1|) (exists ((|v_ULTIMATE.start_main_~new_data~0#1_67| Int) (|v_ULTIMATE.start_main_~i~0#1_134| Int)) (and (<= 2 |v_ULTIMATE.start_main_~new_data~0#1_67|) (<= 1 |#StackHeapBarrier|) (exists ((|v_ULTIMATE.start_dll_update_at_~head#1.base_103| Int) (|v_#memory_int_203| (Array Int (Array Int Int))) (|v_ULTIMATE.start_dll_update_at_~head#1.offset_101| Int) (|v_#memory_$Pointer$.base_158| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_156| (Array Int (Array Int Int)))) (and (= |#memory_$Pointer$.base| (store |v_#memory_$Pointer$.base_158| |v_ULTIMATE.start_dll_update_at_~head#1.base_103| (store (select |v_#memory_$Pointer$.base_158| |v_ULTIMATE.start_dll_update_at_~head#1.base_103|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_101| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_dll_update_at_~head#1.base_103|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_101|)))) (= |#memory_$Pointer$.offset| (store |v_#memory_$Pointer$.offset_156| |v_ULTIMATE.start_dll_update_at_~head#1.base_103| (store (select |v_#memory_$Pointer$.offset_156| |v_ULTIMATE.start_dll_update_at_~head#1.base_103|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_101| (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_dll_update_at_~head#1.base_103|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_101|)))) (<= (select (select |#memory_int| |v_ULTIMATE.start_dll_update_at_~head#1.base_103|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_101|) 3) (= |#memory_int| (store |v_#memory_int_203| |v_ULTIMATE.start_dll_update_at_~head#1.base_103| (store (select |v_#memory_int_203| |v_ULTIMATE.start_dll_update_at_~head#1.base_103|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_101| (select (select |#memory_int| |v_ULTIMATE.start_dll_update_at_~head#1.base_103|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_101|)))) (<= 2 (select (select |#memory_int| |v_ULTIMATE.start_dll_update_at_~head#1.base_103|) |v_ULTIMATE.start_dll_update_at_~head#1.offset_101|)))) (= |ULTIMATE.start_main_~data~0#1| 1) (= |ULTIMATE.start_main_~len~0#1| 2) (= |ULTIMATE.start_dll_create_#res#1.offset| 0) (= 2 |v_ULTIMATE.start_main_~i~0#1_134|) (<= |v_ULTIMATE.start_main_~new_data~0#1_67| 3) (= |ULTIMATE.start_main_~s~0#1.offset| 0))) (= |v_ULTIMATE.start_main_#t~ret15#1_46| |ULTIMATE.start_dll_get_data_at_#res#1|))) (<= 0 (+ |v_ULTIMATE.start_main_#t~ret15#1_46| 2147483648)))) (<= 0 (+ |ULTIMATE.start_dll_get_data_at_#res#1| 2147483648)) (<= 1 |ULTIMATE.start_main_~expected~0#1|) (<= |ULTIMATE.start_dll_get_data_at_#res#1| 2147483647) (<= 1 |ULTIMATE.start_main_~len~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|))' at error location [2023-11-12 00:09:57,935 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-11-12 00:09:57,935 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 00:09:57,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 7 [2023-11-12 00:09:57,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605166808] [2023-11-12 00:09:57,936 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 00:09:57,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-12 00:09:57,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:09:57,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-12 00:09:57,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2023-11-12 00:09:57,937 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:09:58,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:09:58,070 INFO L93 Difference]: Finished difference Result 24 states and 25 transitions. [2023-11-12 00:09:58,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-12 00:09:58,070 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2023-11-12 00:09:58,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:09:58,071 INFO L225 Difference]: With dead ends: 24 [2023-11-12 00:09:58,071 INFO L226 Difference]: Without dead ends: 0 [2023-11-12 00:09:58,072 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 60 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=84, Invalid=296, Unknown=0, NotChecked=0, Total=380 [2023-11-12 00:09:58,072 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 7 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:09:58,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 12 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:09:58,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-12 00:09:58,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-12 00:09:58,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:09:58,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-12 00:09:58,074 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2023-11-12 00:09:58,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:09:58,074 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 00:09:58,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:09:58,074 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-12 00:09:58,074 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-12 00:09:58,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:09:58,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-12 00:09:58,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-12 00:09:58,278 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-12 00:09:59,000 INFO L899 garLoopResultBuilder]: For program point L573(line 573) no Hoare annotation was computed. [2023-11-12 00:09:59,000 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 572 574) the Hoare annotation is: true [2023-11-12 00:09:59,000 INFO L899 garLoopResultBuilder]: For program point myexitEXIT(lines 572 574) no Hoare annotation was computed. [2023-11-12 00:09:59,000 INFO L899 garLoopResultBuilder]: For program point L589(lines 589 591) no Hoare annotation was computed. [2023-11-12 00:09:59,001 INFO L899 garLoopResultBuilder]: For program point L589-1(lines 589 591) no Hoare annotation was computed. [2023-11-12 00:09:59,001 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 624 643) no Hoare annotation was computed. [2023-11-12 00:09:59,001 INFO L902 garLoopResultBuilder]: At program point L590(line 590) the Hoare annotation is: true [2023-11-12 00:09:59,001 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-12 00:09:59,001 INFO L895 garLoopResultBuilder]: At program point L633-3(lines 633 638) the Hoare annotation is: (let ((.cse6 (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|))) (let ((.cse7 (select .cse6 4))) (let ((.cse0 (not (= 0 .cse7))) (.cse1 (not (= |ULTIMATE.start_main_~s~0#1.base| .cse7))) (.cse2 (= (select (select |#memory_int| .cse7) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4)) 3)) (.cse3 (= (select .cse6 8) 0)) (.cse4 (= |ULTIMATE.start_main_~len~0#1| 2)) (.cse5 (= |ULTIMATE.start_main_~s~0#1.offset| 0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_main_~i~0#1| 1) .cse2 .cse3 .cse4 .cse5) (and (<= 2 |ULTIMATE.start_main_~i~0#1|) .cse4) (and .cse0 (= |ULTIMATE.start_main_~i~0#1| 0) .cse1 (= (select (select |#memory_int| |ULTIMATE.start_main_~s~0#1.base|) 0) 2) .cse2 .cse3 .cse4 .cse5))))) [2023-11-12 00:09:59,002 INFO L895 garLoopResultBuilder]: At program point L618-2(lines 618 621) the Hoare annotation is: (let ((.cse16 (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|))) (let ((.cse3 (select .cse16 4))) (let ((.cse1 (= 3 |ULTIMATE.start_dll_update_at_~data#1|)) (.cse2 (= |ULTIMATE.start_main_~i~0#1| 1)) (.cse7 (<= 1 |#StackHeapBarrier|)) (.cse0 (not (= 0 .cse3))) (.cse8 (not (= |ULTIMATE.start_main_~s~0#1.base| .cse3))) (.cse9 (= |ULTIMATE.start_dll_update_at_~head#1.offset| 0)) (.cse10 (= |ULTIMATE.start_dll_update_at_#in~head#1.offset| 0)) (.cse11 (= |ULTIMATE.start_main_~data~0#1| 1)) (.cse12 (= |ULTIMATE.start_main_~s~0#1.base| |ULTIMATE.start_dll_update_at_#in~head#1.base|)) (.cse4 (= (select .cse16 8) 0)) (.cse5 (= |ULTIMATE.start_main_~len~0#1| 2)) (.cse13 (= |ULTIMATE.start_dll_update_at_#in~head#1.base| |ULTIMATE.start_dll_update_at_~head#1.base|)) (.cse14 (= |ULTIMATE.start_dll_create_#res#1.offset| 0)) (.cse15 (= |ULTIMATE.start_dll_create_#res#1.base| |ULTIMATE.start_main_~s~0#1.base|)) (.cse6 (= |ULTIMATE.start_main_~s~0#1.offset| 0))) (or (and .cse0 (not (= |ULTIMATE.start_main_~s~0#1.base| |ULTIMATE.start_dll_update_at_~head#1.base|)) .cse1 .cse2 (= (select (select |#memory_int| |ULTIMATE.start_main_~s~0#1.base|) 0) 2) (<= |ULTIMATE.start_dll_update_at_~index#1| 0) (= |ULTIMATE.start_dll_update_at_~head#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4)) (= |ULTIMATE.start_dll_update_at_~head#1.base| .cse3) .cse4 .cse5 .cse6) (and .cse7 .cse0 (= |ULTIMATE.start_dll_update_at_#in~data#1| 3) .cse8 .cse1 .cse2 .cse9 .cse10 (= |ULTIMATE.start_dll_update_at_~index#1| 1) (= 3 |ULTIMATE.start_main_~new_data~0#1|) .cse11 .cse12 .cse4 .cse5 .cse13 .cse14 .cse15 (exists ((|v_#memory_int_49| (Array Int (Array Int Int)))) (= (store |v_#memory_int_49| |ULTIMATE.start_main_~s~0#1.base| (store (select |v_#memory_int_49| |ULTIMATE.start_main_~s~0#1.base|) 0 2)) |#memory_int|)) (= |ULTIMATE.start_dll_update_at_#in~index#1| 1) .cse6) (and .cse7 .cse0 (= |ULTIMATE.start_main_~i~0#1| 0) .cse8 (= |ULTIMATE.start_dll_update_at_#in~index#1| 0) .cse9 .cse10 .cse11 .cse12 .cse4 .cse5 .cse13 .cse14 .cse15 (= 2 |ULTIMATE.start_main_~new_data~0#1|) (= |ULTIMATE.start_dll_update_at_#in~data#1| 2) (= 2 |ULTIMATE.start_dll_update_at_~data#1|) (= |ULTIMATE.start_dll_update_at_~index#1| 0) .cse6))))) [2023-11-12 00:09:59,002 INFO L899 garLoopResultBuilder]: For program point L635(lines 635 637) no Hoare annotation was computed. [2023-11-12 00:09:59,002 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 641) no Hoare annotation was computed. [2023-11-12 00:09:59,003 INFO L895 garLoopResultBuilder]: At program point L611-2(lines 611 614) the Hoare annotation is: (let ((.cse12 (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|))) (let ((.cse13 (select .cse12 4))) (let ((.cse2 (= |ULTIMATE.start_main_~i~0#1| 1)) (.cse3 (= 3 |ULTIMATE.start_main_~expected~0#1|)) (.cse0 (not (= 0 .cse13))) (.cse1 (not (= |ULTIMATE.start_main_~s~0#1.base| .cse13))) (.cse11 (= |ULTIMATE.start_dll_get_data_at_~head#1.offset| 0)) (.cse4 (= (select (select |#memory_int| .cse13) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4)) 3)) (.cse6 (= (select .cse12 8) 0)) (.cse7 (= |ULTIMATE.start_main_~len~0#1| 2)) (.cse5 (select |#memory_int| |ULTIMATE.start_dll_get_data_at_~head#1.base|)) (.cse8 (= |ULTIMATE.start_main_~s~0#1.offset| 0))) (or (and .cse0 .cse1 .cse2 (<= |ULTIMATE.start_dll_get_data_at_~index#1| 0) .cse3 .cse4 (= 3 (select .cse5 |ULTIMATE.start_dll_get_data_at_~head#1.offset|)) .cse6 .cse7 (not (= |ULTIMATE.start_dll_get_data_at_~head#1.base| 0)) .cse8) (let ((.cse10 (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_get_data_at_~head#1.base|))) (let ((.cse9 (select .cse10 4))) (and (= (select (select |#memory_int| .cse9) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_get_data_at_~head#1.base|) 4)) 3) .cse0 .cse1 (not (= |ULTIMATE.start_dll_get_data_at_~head#1.base| .cse9)) (= (select .cse10 8) 0) .cse11 .cse2 .cse3 .cse4 (= |ULTIMATE.start_dll_get_data_at_~index#1| 1) .cse6 .cse7 (not (= 0 .cse9)) .cse8))) (and .cse0 (= |ULTIMATE.start_main_~i~0#1| 0) .cse1 .cse11 (= 2 |ULTIMATE.start_main_~expected~0#1|) (= (select (select |#memory_int| |ULTIMATE.start_main_~s~0#1.base|) 0) 2) .cse4 (= |ULTIMATE.start_dll_get_data_at_~index#1| 0) .cse6 .cse7 (= (select .cse5 0) 2) .cse8))))) [2023-11-12 00:09:59,003 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-12 00:09:59,003 INFO L895 garLoopResultBuilder]: At program point L587-2(lines 587 600) the Hoare annotation is: (let ((.cse0 (<= 1 |#StackHeapBarrier|)) (.cse1 (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0))) (.cse2 (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1)) (.cse3 (= |ULTIMATE.start_dll_create_#in~len#1| 2)) (.cse4 (<= |ULTIMATE.start_dll_create_~len#1| 2)) (.cse5 (= |ULTIMATE.start_main_~data~0#1| 1)) (.cse6 (= |ULTIMATE.start_dll_create_#in~data#1| 1)) (.cse7 (= |ULTIMATE.start_main_~len~0#1| 2)) (.cse8 (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0)) (.cse9 (= |ULTIMATE.start_dll_create_~data#1| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 |ULTIMATE.start_dll_create_~len#1|) .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse3 (= 2 |ULTIMATE.start_dll_create_~len#1|) .cse5 .cse6 .cse7 .cse8 .cse9) (let ((.cse11 (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|))) (let ((.cse10 (select .cse11 4))) (and .cse0 .cse1 (not (= |ULTIMATE.start_dll_create_~head~0#1.base| .cse10)) .cse2 .cse3 .cse4 (not (= .cse10 0)) .cse5 .cse6 .cse7 .cse8 (= (select .cse11 8) 0) .cse9))))) [2023-11-12 00:09:59,004 INFO L902 garLoopResultBuilder]: At program point L604-2(lines 604 608) the Hoare annotation is: true [2023-11-12 00:09:59,005 INFO L899 garLoopResultBuilder]: For program point main_ERROR#1(lines 624 643) no Hoare annotation was computed. [2023-11-12 00:09:59,005 INFO L895 garLoopResultBuilder]: At program point L629-3(lines 629 632) the Hoare annotation is: (let ((.cse11 (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|))) (let ((.cse3 (select .cse11 4))) (let ((.cse2 (= (select (select |#memory_int| |ULTIMATE.start_main_~s~0#1.base|) 0) 2)) (.cse7 (<= 1 |#StackHeapBarrier|)) (.cse0 (not (= 0 .cse3))) (.cse1 (not (= |ULTIMATE.start_main_~s~0#1.base| .cse3))) (.cse8 (= |ULTIMATE.start_main_~data~0#1| 1)) (.cse4 (= (select .cse11 8) 0)) (.cse5 (= |ULTIMATE.start_main_~len~0#1| 2)) (.cse9 (= |ULTIMATE.start_dll_create_#res#1.offset| 0)) (.cse10 (= |ULTIMATE.start_dll_create_#res#1.base| |ULTIMATE.start_main_~s~0#1.base|)) (.cse6 (= |ULTIMATE.start_main_~s~0#1.offset| 0))) (or (and .cse0 .cse1 .cse2 (= (select (select |#memory_int| .cse3) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4)) 3) (<= 2 |ULTIMATE.start_main_~i~0#1|) .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse1 (= |ULTIMATE.start_main_~i~0#1| 1) .cse2 .cse8 .cse4 .cse5 .cse9 .cse10 (= 2 |ULTIMATE.start_main_~new_data~0#1|) .cse6) (and .cse7 .cse0 (= |ULTIMATE.start_main_~i~0#1| 0) .cse1 .cse8 .cse4 .cse5 .cse9 .cse10 .cse6))))) [2023-11-12 00:09:59,011 INFO L445 BasicCegarLoop]: Path program histogram: [7, 2, 1, 1, 1, 1, 1] [2023-11-12 00:09:59,015 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:09:59,036 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,038 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,039 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#memory_$Pointer$.base[~s~0!base][4]][#memory_$Pointer$.offset[~s~0!base][4]] could not be translated [2023-11-12 00:09:59,039 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated [2023-11-12 00:09:59,040 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,040 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,040 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~s~0!base][0] could not be translated [2023-11-12 00:09:59,041 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#memory_$Pointer$.base[~s~0!base][4]][#memory_$Pointer$.offset[~s~0!base][4]] could not be translated [2023-11-12 00:09:59,041 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated [2023-11-12 00:09:59,046 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,047 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,047 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#memory_$Pointer$.base[~s~0!base][4]][#memory_$Pointer$.offset[~s~0!base][4]] could not be translated [2023-11-12 00:09:59,047 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated [2023-11-12 00:09:59,048 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,048 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,048 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~s~0!base][0] could not be translated [2023-11-12 00:09:59,049 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#memory_$Pointer$.base[~s~0!base][4]][#memory_$Pointer$.offset[~s~0!base][4]] could not be translated [2023-11-12 00:09:59,049 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated [2023-11-12 00:09:59,057 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,058 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s~0 [2023-11-12 00:09:59,058 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,058 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~i~0 [2023-11-12 00:09:59,059 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~expected~0 [2023-11-12 00:09:59,059 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#memory_$Pointer$.base[~s~0!base][4]][#memory_$Pointer$.offset[~s~0!base][4]] could not be translated [2023-11-12 00:09:59,059 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~head!base][~head!offset] could not be translated [2023-11-12 00:09:59,060 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated [2023-11-12 00:09:59,060 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~len~0 [2023-11-12 00:09:59,060 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,061 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#memory_$Pointer$.base[~head!base][4]][#memory_$Pointer$.offset[~head!base][4]] could not be translated [2023-11-12 00:09:59,061 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,061 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s~0 [2023-11-12 00:09:59,061 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,062 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,062 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~head!base][4] could not be translated [2023-11-12 00:09:59,062 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~head!base][8] could not be translated [2023-11-12 00:09:59,063 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~head!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,063 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~i~0 [2023-11-12 00:09:59,063 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~expected~0 [2023-11-12 00:09:59,064 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#memory_$Pointer$.base[~s~0!base][4]][#memory_$Pointer$.offset[~s~0!base][4]] could not be translated [2023-11-12 00:09:59,064 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated [2023-11-12 00:09:59,064 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~len~0 [2023-11-12 00:09:59,064 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~head!base][4] could not be translated [2023-11-12 00:09:59,074 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,075 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~i~0 [2023-11-12 00:09:59,075 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s~0 [2023-11-12 00:09:59,076 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,076 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~head!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,077 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~expected~0 [2023-11-12 00:09:59,077 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~s~0!base][0] could not be translated [2023-11-12 00:09:59,077 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#memory_$Pointer$.base[~s~0!base][4]][#memory_$Pointer$.offset[~s~0!base][4]] could not be translated [2023-11-12 00:09:59,077 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated [2023-11-12 00:09:59,078 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~len~0 [2023-11-12 00:09:59,078 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~head!base][0] could not be translated [2023-11-12 00:09:59,084 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,087 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s~0 [2023-11-12 00:09:59,087 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,088 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~i~0 [2023-11-12 00:09:59,088 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~expected~0 [2023-11-12 00:09:59,088 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#memory_$Pointer$.base[~s~0!base][4]][#memory_$Pointer$.offset[~s~0!base][4]] could not be translated [2023-11-12 00:09:59,088 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~head!base][~head!offset] could not be translated [2023-11-12 00:09:59,088 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated [2023-11-12 00:09:59,089 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~len~0 [2023-11-12 00:09:59,089 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,089 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#memory_$Pointer$.base[~head!base][4]][#memory_$Pointer$.offset[~head!base][4]] could not be translated [2023-11-12 00:09:59,089 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,090 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s~0 [2023-11-12 00:09:59,090 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,090 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,090 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~head!base][4] could not be translated [2023-11-12 00:09:59,091 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~head!base][8] could not be translated [2023-11-12 00:09:59,099 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~head!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,100 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~i~0 [2023-11-12 00:09:59,100 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~expected~0 [2023-11-12 00:09:59,100 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#memory_$Pointer$.base[~s~0!base][4]][#memory_$Pointer$.offset[~s~0!base][4]] could not be translated [2023-11-12 00:09:59,100 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated [2023-11-12 00:09:59,101 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~len~0 [2023-11-12 00:09:59,101 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~head!base][4] could not be translated [2023-11-12 00:09:59,101 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,101 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~i~0 [2023-11-12 00:09:59,102 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s~0 [2023-11-12 00:09:59,102 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,102 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~head!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,102 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~expected~0 [2023-11-12 00:09:59,102 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~s~0!base][0] could not be translated [2023-11-12 00:09:59,103 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#memory_$Pointer$.base[~s~0!base][4]][#memory_$Pointer$.offset[~s~0!base][4]] could not be translated [2023-11-12 00:09:59,103 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated [2023-11-12 00:09:59,103 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~len~0 [2023-11-12 00:09:59,103 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~head!base][0] could not be translated [2023-11-12 00:09:59,105 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[~head~0!base] could not be translated [2023-11-12 00:09:59,108 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~head~0!base][4] could not be translated [2023-11-12 00:09:59,108 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[~head~0!base] could not be translated [2023-11-12 00:09:59,109 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~head~0!base][4] could not be translated [2023-11-12 00:09:59,109 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~head~0!base][8] could not be translated [2023-11-12 00:09:59,110 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[~head~0!base] could not be translated [2023-11-12 00:09:59,112 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~head~0!base][4] could not be translated [2023-11-12 00:09:59,113 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[~head~0!base] could not be translated [2023-11-12 00:09:59,113 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~head~0!base][4] could not be translated [2023-11-12 00:09:59,122 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~head~0!base][8] could not be translated [2023-11-12 00:09:59,123 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,124 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,124 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~s~0!base][0] could not be translated [2023-11-12 00:09:59,124 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#memory_$Pointer$.base[~s~0!base][4]][#memory_$Pointer$.offset[~s~0!base][4]] could not be translated [2023-11-12 00:09:59,124 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated [2023-11-12 00:09:59,125 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,125 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,125 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~s~0!base][0] could not be translated [2023-11-12 00:09:59,125 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated [2023-11-12 00:09:59,126 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,126 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,126 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,126 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,127 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated [2023-11-12 00:09:59,127 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,127 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,128 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,128 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,129 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~s~0!base][0] could not be translated [2023-11-12 00:09:59,129 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#memory_$Pointer$.base[~s~0!base][4]][#memory_$Pointer$.offset[~s~0!base][4]] could not be translated [2023-11-12 00:09:59,129 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated [2023-11-12 00:09:59,129 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,130 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,130 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~s~0!base][0] could not be translated [2023-11-12 00:09:59,130 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated [2023-11-12 00:09:59,130 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,130 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,131 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,131 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,131 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated [2023-11-12 00:09:59,133 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,133 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,136 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,141 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s~0 [2023-11-12 00:09:59,141 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,141 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~i~0 [2023-11-12 00:09:59,141 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~s~0!base][0] could not be translated [2023-11-12 00:09:59,142 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~head!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,142 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.offset[~s~0!base][4] could not be translated [2023-11-12 00:09:59,142 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,142 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,142 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated [2023-11-12 00:09:59,142 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~len~0 [2023-11-12 00:09:59,143 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,143 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s~0 [2023-11-12 00:09:59,143 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,143 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~i~0 [2023-11-12 00:09:59,144 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~head!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,144 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~head!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,144 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~new_data~0 [2023-11-12 00:09:59,144 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s~0 [2023-11-12 00:09:59,145 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,145 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated [2023-11-12 00:09:59,145 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~len~0 [2023-11-12 00:09:59,145 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,145 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,146 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,146 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,146 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s~0 [2023-11-12 00:09:59,146 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_#memory_int_49 : [int,int]int :: v_#memory_int_49[~s~0!base := v_#memory_int_49[~s~0!base][0 := 2]] == #memory_int) could not be translated [2023-11-12 00:09:59,147 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,147 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~i~0 [2023-11-12 00:09:59,148 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s~0 [2023-11-12 00:09:59,148 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,148 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~head!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,148 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~head!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,149 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s~0 [2023-11-12 00:09:59,149 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,149 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated [2023-11-12 00:09:59,149 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~len~0 [2023-11-12 00:09:59,150 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,150 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,150 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,150 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,150 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s~0 [2023-11-12 00:09:59,151 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~new_data~0 [2023-11-12 00:09:59,154 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,155 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s~0 [2023-11-12 00:09:59,155 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,155 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~i~0 [2023-11-12 00:09:59,155 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~s~0!base][0] could not be translated [2023-11-12 00:09:59,156 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~head!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,156 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.offset[~s~0!base][4] could not be translated [2023-11-12 00:09:59,156 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,156 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,157 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated [2023-11-12 00:09:59,157 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~len~0 [2023-11-12 00:09:59,157 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,157 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s~0 [2023-11-12 00:09:59,157 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,158 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~i~0 [2023-11-12 00:09:59,158 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~head!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,158 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~head!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,158 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~new_data~0 [2023-11-12 00:09:59,159 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s~0 [2023-11-12 00:09:59,159 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,159 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated [2023-11-12 00:09:59,159 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~len~0 [2023-11-12 00:09:59,160 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,160 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,160 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,160 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,160 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s~0 [2023-11-12 00:09:59,161 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_#memory_int_49 : [int,int]int :: v_#memory_int_49[~s~0!base := v_#memory_int_49[~s~0!base][0 := 2]] == #memory_int) could not be translated [2023-11-12 00:09:59,161 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,162 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~i~0 [2023-11-12 00:09:59,162 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s~0 [2023-11-12 00:09:59,162 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,162 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~head!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,163 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~head!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,165 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s~0 [2023-11-12 00:09:59,165 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,166 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated [2023-11-12 00:09:59,166 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~len~0 [2023-11-12 00:09:59,166 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,166 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,166 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,167 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,167 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s~0 [2023-11-12 00:09:59,167 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~new_data~0 [2023-11-12 00:09:59,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:09:59 BoogieIcfgContainer [2023-11-12 00:09:59,168 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:09:59,169 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:09:59,169 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:09:59,169 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:09:59,170 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:09:18" (3/4) ... [2023-11-12 00:09:59,174 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 00:09:59,177 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure myexit [2023-11-12 00:09:59,185 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2023-11-12 00:09:59,186 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-11-12 00:09:59,186 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-12 00:09:59,187 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 00:09:59,217 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\old(len) == 2) && (len <= 2)) && (1 <= len)) && (data == 1)) && (\old(data) == 1)) && (len == 2)) && (data == 1)) || ((((((\old(len) == 2) && (2 == len)) && (data == 1)) && (\old(data) == 1)) && (len == 2)) && (data == 1))) || ((((((\old(len) == 2) && (len <= 2)) && (data == 1)) && (\old(data) == 1)) && (len == 2)) && (data == 1))) [2023-11-12 00:09:59,219 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((3 == data) && (index <= 0)) || (((((\old(data) == 3) && (3 == data)) && (index == 1)) && (data == 1)) && (\old(index) == 1))) || (((((\old(index) == 0) && (data == 1)) && (\old(data) == 2)) && (2 == data)) && (index == 0))) [2023-11-12 00:09:59,242 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\old(len) == 2) && (len <= 2)) && (1 <= len)) && (data == 1)) && (\old(data) == 1)) && (len == 2)) && (data == 1)) || ((((((\old(len) == 2) && (2 == len)) && (data == 1)) && (\old(data) == 1)) && (len == 2)) && (data == 1))) || ((((((\old(len) == 2) && (len <= 2)) && (data == 1)) && (\old(data) == 1)) && (len == 2)) && (data == 1))) [2023-11-12 00:09:59,245 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((3 == data) && (index <= 0)) || (((((\old(data) == 3) && (3 == data)) && (index == 1)) && (data == 1)) && (\old(index) == 1))) || (((((\old(index) == 0) && (data == 1)) && (\old(data) == 2)) && (2 == data)) && (index == 0))) [2023-11-12 00:09:59,297 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/witness.graphml [2023-11-12 00:09:59,297 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/witness.yml [2023-11-12 00:09:59,298 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:09:59,298 INFO L158 Benchmark]: Toolchain (without parser) took 42049.97ms. Allocated memory was 176.2MB in the beginning and 778.0MB in the end (delta: 601.9MB). Free memory was 115.3MB in the beginning and 371.4MB in the end (delta: -256.1MB). Peak memory consumption was 347.2MB. Max. memory is 16.1GB. [2023-11-12 00:09:59,299 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 111.1MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:09:59,299 INFO L158 Benchmark]: CACSL2BoogieTranslator took 551.25ms. Allocated memory is still 176.2MB. Free memory was 115.1MB in the beginning and 142.7MB in the end (delta: -27.7MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2023-11-12 00:09:59,299 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.24ms. Allocated memory is still 176.2MB. Free memory was 142.1MB in the beginning and 140.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:09:59,300 INFO L158 Benchmark]: Boogie Preprocessor took 33.08ms. Allocated memory is still 176.2MB. Free memory was 140.1MB in the beginning and 138.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:09:59,300 INFO L158 Benchmark]: RCFGBuilder took 543.56ms. Allocated memory is still 176.2MB. Free memory was 138.5MB in the beginning and 119.1MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-12 00:09:59,300 INFO L158 Benchmark]: TraceAbstraction took 40731.39ms. Allocated memory was 176.2MB in the beginning and 778.0MB in the end (delta: 601.9MB). Free memory was 118.5MB in the beginning and 376.6MB in the end (delta: -258.2MB). Peak memory consumption was 344.5MB. Max. memory is 16.1GB. [2023-11-12 00:09:59,301 INFO L158 Benchmark]: Witness Printer took 128.67ms. Allocated memory is still 778.0MB. Free memory was 376.6MB in the beginning and 371.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:09:59,302 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 111.1MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 551.25ms. Allocated memory is still 176.2MB. Free memory was 115.1MB in the beginning and 142.7MB in the end (delta: -27.7MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.24ms. Allocated memory is still 176.2MB. Free memory was 142.1MB in the beginning and 140.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.08ms. Allocated memory is still 176.2MB. Free memory was 140.1MB in the beginning and 138.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 543.56ms. Allocated memory is still 176.2MB. Free memory was 138.5MB in the beginning and 119.1MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 40731.39ms. Allocated memory was 176.2MB in the beginning and 778.0MB in the end (delta: 601.9MB). Free memory was 118.5MB in the beginning and 376.6MB in the end (delta: -258.2MB). Peak memory consumption was 344.5MB. Max. memory is 16.1GB. * Witness Printer took 128.67ms. Allocated memory is still 778.0MB. Free memory was 376.6MB in the beginning and 371.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[#memory_$Pointer$.base[~s~0!base][4]][#memory_$Pointer$.offset[~s~0!base][4]] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~s~0!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[#memory_$Pointer$.base[~s~0!base][4]][#memory_$Pointer$.offset[~s~0!base][4]] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[#memory_$Pointer$.base[~s~0!base][4]][#memory_$Pointer$.offset[~s~0!base][4]] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~s~0!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[#memory_$Pointer$.base[~s~0!base][4]][#memory_$Pointer$.offset[~s~0!base][4]] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~i~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~expected~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[#memory_$Pointer$.base[~s~0!base][4]][#memory_$Pointer$.offset[~s~0!base][4]] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~head!base][~head!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~len~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[#memory_$Pointer$.base[~head!base][4]][#memory_$Pointer$.offset[~head!base][4]] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~head!base][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~head!base][8] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~head!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~i~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~expected~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[#memory_$Pointer$.base[~s~0!base][4]][#memory_$Pointer$.offset[~s~0!base][4]] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~len~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~head!base][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~i~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~head!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~expected~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~s~0!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[#memory_$Pointer$.base[~s~0!base][4]][#memory_$Pointer$.offset[~s~0!base][4]] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~len~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~head!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~i~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~expected~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[#memory_$Pointer$.base[~s~0!base][4]][#memory_$Pointer$.offset[~s~0!base][4]] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~head!base][~head!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~len~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[#memory_$Pointer$.base[~head!base][4]][#memory_$Pointer$.offset[~head!base][4]] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~head!base][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~head!base][8] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~head!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~i~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~expected~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[#memory_$Pointer$.base[~s~0!base][4]][#memory_$Pointer$.offset[~s~0!base][4]] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~len~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~head!base][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~i~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~head!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~expected~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~s~0!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[#memory_$Pointer$.base[~s~0!base][4]][#memory_$Pointer$.offset[~s~0!base][4]] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~len~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~head!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[~head~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~head~0!base][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[~head~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~head~0!base][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~head~0!base][8] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[~head~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~head~0!base][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[~head~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~head~0!base][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~head~0!base][8] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~s~0!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[#memory_$Pointer$.base[~s~0!base][4]][#memory_$Pointer$.offset[~s~0!base][4]] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~s~0!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~s~0!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[#memory_$Pointer$.base[~s~0!base][4]][#memory_$Pointer$.offset[~s~0!base][4]] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~s~0!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~i~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~s~0!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~head!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.offset[~s~0!base][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~len~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~i~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~head!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #in~head!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~new_data~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #in~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~len~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #in~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_#memory_int_49 : [int,int]int :: v_#memory_int_49[~s~0!base := v_#memory_int_49[~s~0!base][0 := 2]] == #memory_int) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~i~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~head!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #in~head!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #in~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~len~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #in~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~new_data~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~i~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~s~0!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~head!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.offset[~s~0!base][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~len~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~i~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~head!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #in~head!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~new_data~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #in~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~len~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #in~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_#memory_int_49 : [int,int]int :: v_#memory_int_49[~s~0!base := v_#memory_int_49[~s~0!base][0 := 2]] == #memory_int) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~i~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~head!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #in~head!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #in~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~len~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #in~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~new_data~0 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 641]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 40.5s, OverallIterations: 14, TraceHistogramMax: 3, PathProgramHistogramMax: 7, EmptinessCheckTime: 0.0s, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 294 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 294 mSDsluCounter, 422 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 304 IncrementalHoareTripleChecker+Unchecked, 338 mSDsCounter, 31 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1431 IncrementalHoareTripleChecker+Invalid, 1767 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 31 mSolverCounterUnsat, 84 mSDtfsCounter, 1431 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 597 GetRequests, 357 SyntacticMatches, 19 SemanticMatches, 221 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 1727 ImplicationChecksByTransitivity, 13.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred in iteration=12, InterpolantAutomatonStates: 100, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 14 MinimizatonAttempts, 70 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 9 PreInvPairs, 25 NumberOfFragments, 835 HoareAnnotationTreeSize, 9 FomulaSimplifications, 2399 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 115 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 7.9s InterpolantComputationTime, 433 NumberOfCodeBlocks, 417 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 551 ConstructedInterpolants, 10 QuantifiedInterpolants, 2800 SizeOfPredicates, 63 NumberOfNonLiveVariables, 2440 ConjunctsInSsa, 216 ConjunctsInUnsatCore, 32 InterpolantComputations, 6 PerfectInterpolantSequences, 295/402 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: OVERALL_TIME: 1.3s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 7, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 20, TOOLS_POST_TIME: 0.9s, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME: 0.0s, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME: 0.0s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 20, TOOLS_QUANTIFIERELIM_TIME: 0.9s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.2s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 39, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 2, DOMAIN_JOIN_TIME: 0.0s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME: 0.1s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME: 0.2s, DOMAIN_ISBOTTOM_APPLICATIONS: 7, DOMAIN_ISBOTTOM_TIME: 0.0s, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME: 1.1s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 1.1s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 115, DAG_COMPRESSION_RETAINED_NODES: 35, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 633]: Loop Invariant [2023-11-12 00:09:59,347 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,347 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,347 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#memory_$Pointer$.base[~s~0!base][4]][#memory_$Pointer$.offset[~s~0!base][4]] could not be translated [2023-11-12 00:09:59,347 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated [2023-11-12 00:09:59,348 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,348 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,348 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~s~0!base][0] could not be translated [2023-11-12 00:09:59,348 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#memory_$Pointer$.base[~s~0!base][4]][#memory_$Pointer$.offset[~s~0!base][4]] could not be translated [2023-11-12 00:09:59,348 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated [2023-11-12 00:09:59,349 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,349 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,349 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#memory_$Pointer$.base[~s~0!base][4]][#memory_$Pointer$.offset[~s~0!base][4]] could not be translated [2023-11-12 00:09:59,350 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated [2023-11-12 00:09:59,350 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,350 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,350 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~s~0!base][0] could not be translated [2023-11-12 00:09:59,350 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#memory_$Pointer$.base[~s~0!base][4]][#memory_$Pointer$.offset[~s~0!base][4]] could not be translated [2023-11-12 00:09:59,351 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated Derived loop invariant: ((((i == 1) && (len == 2)) || ((2 <= i) && (len == 2))) || ((i == 0) && (len == 2))) - InvariantResult [Line: 611]: Loop Invariant [2023-11-12 00:09:59,352 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,352 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s~0 [2023-11-12 00:09:59,352 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,353 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~i~0 [2023-11-12 00:09:59,353 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~expected~0 [2023-11-12 00:09:59,353 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#memory_$Pointer$.base[~s~0!base][4]][#memory_$Pointer$.offset[~s~0!base][4]] could not be translated [2023-11-12 00:09:59,353 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~head!base][~head!offset] could not be translated [2023-11-12 00:09:59,353 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated [2023-11-12 00:09:59,353 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~len~0 [2023-11-12 00:09:59,354 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,354 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#memory_$Pointer$.base[~head!base][4]][#memory_$Pointer$.offset[~head!base][4]] could not be translated [2023-11-12 00:09:59,354 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,354 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s~0 [2023-11-12 00:09:59,354 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,355 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,355 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~head!base][4] could not be translated [2023-11-12 00:09:59,355 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~head!base][8] could not be translated [2023-11-12 00:09:59,355 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~head!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,355 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~i~0 [2023-11-12 00:09:59,356 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~expected~0 [2023-11-12 00:09:59,356 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#memory_$Pointer$.base[~s~0!base][4]][#memory_$Pointer$.offset[~s~0!base][4]] could not be translated [2023-11-12 00:09:59,356 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated [2023-11-12 00:09:59,356 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~len~0 [2023-11-12 00:09:59,356 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~head!base][4] could not be translated [2023-11-12 00:09:59,357 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,357 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~i~0 [2023-11-12 00:09:59,357 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s~0 [2023-11-12 00:09:59,357 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,357 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~head!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,358 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~expected~0 [2023-11-12 00:09:59,358 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~s~0!base][0] could not be translated [2023-11-12 00:09:59,358 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#memory_$Pointer$.base[~s~0!base][4]][#memory_$Pointer$.offset[~s~0!base][4]] could not be translated [2023-11-12 00:09:59,358 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated [2023-11-12 00:09:59,358 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~len~0 [2023-11-12 00:09:59,358 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~head!base][0] could not be translated [2023-11-12 00:09:59,360 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,360 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s~0 [2023-11-12 00:09:59,360 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,360 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~i~0 [2023-11-12 00:09:59,360 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~expected~0 [2023-11-12 00:09:59,361 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#memory_$Pointer$.base[~s~0!base][4]][#memory_$Pointer$.offset[~s~0!base][4]] could not be translated [2023-11-12 00:09:59,361 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~head!base][~head!offset] could not be translated [2023-11-12 00:09:59,361 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated [2023-11-12 00:09:59,361 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~len~0 [2023-11-12 00:09:59,361 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,361 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#memory_$Pointer$.base[~head!base][4]][#memory_$Pointer$.offset[~head!base][4]] could not be translated [2023-11-12 00:09:59,362 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,362 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s~0 [2023-11-12 00:09:59,362 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,362 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,363 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~head!base][4] could not be translated [2023-11-12 00:09:59,363 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~head!base][8] could not be translated [2023-11-12 00:09:59,363 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~head!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,363 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~i~0 [2023-11-12 00:09:59,363 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~expected~0 [2023-11-12 00:09:59,363 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#memory_$Pointer$.base[~s~0!base][4]][#memory_$Pointer$.offset[~s~0!base][4]] could not be translated [2023-11-12 00:09:59,364 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated [2023-11-12 00:09:59,364 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~len~0 [2023-11-12 00:09:59,364 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~head!base][4] could not be translated [2023-11-12 00:09:59,364 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,364 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~i~0 [2023-11-12 00:09:59,365 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s~0 [2023-11-12 00:09:59,365 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,365 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~head!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,365 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~expected~0 [2023-11-12 00:09:59,365 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~s~0!base][0] could not be translated [2023-11-12 00:09:59,366 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#memory_$Pointer$.base[~s~0!base][4]][#memory_$Pointer$.offset[~s~0!base][4]] could not be translated [2023-11-12 00:09:59,366 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated [2023-11-12 00:09:59,366 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~len~0 [2023-11-12 00:09:59,366 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~head!base][0] could not be translated Derived loop invariant: (((index <= 0) || (index == 1)) || (index == 0)) - InvariantResult [Line: 587]: Loop Invariant [2023-11-12 00:09:59,367 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[~head~0!base] could not be translated [2023-11-12 00:09:59,367 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~head~0!base][4] could not be translated [2023-11-12 00:09:59,368 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[~head~0!base] could not be translated [2023-11-12 00:09:59,368 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~head~0!base][4] could not be translated [2023-11-12 00:09:59,368 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~head~0!base][8] could not be translated [2023-11-12 00:09:59,369 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[~head~0!base] could not be translated [2023-11-12 00:09:59,369 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~head~0!base][4] could not be translated [2023-11-12 00:09:59,369 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[~head~0!base] could not be translated [2023-11-12 00:09:59,370 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~head~0!base][4] could not be translated [2023-11-12 00:09:59,370 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~head~0!base][8] could not be translated Derived loop invariant: (((((((((\old(len) == 2) && (len <= 2)) && (1 <= len)) && (data == 1)) && (\old(data) == 1)) && (len == 2)) && (data == 1)) || ((((((\old(len) == 2) && (2 == len)) && (data == 1)) && (\old(data) == 1)) && (len == 2)) && (data == 1))) || ((((((\old(len) == 2) && (len <= 2)) && (data == 1)) && (\old(data) == 1)) && (len == 2)) && (data == 1))) - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 629]: Loop Invariant [2023-11-12 00:09:59,371 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,371 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,371 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~s~0!base][0] could not be translated [2023-11-12 00:09:59,371 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#memory_$Pointer$.base[~s~0!base][4]][#memory_$Pointer$.offset[~s~0!base][4]] could not be translated [2023-11-12 00:09:59,372 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated [2023-11-12 00:09:59,372 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,372 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,372 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~s~0!base][0] could not be translated [2023-11-12 00:09:59,373 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated [2023-11-12 00:09:59,373 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,373 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,373 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,373 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,374 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated [2023-11-12 00:09:59,374 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,374 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,375 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,375 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,375 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~s~0!base][0] could not be translated [2023-11-12 00:09:59,375 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#memory_$Pointer$.base[~s~0!base][4]][#memory_$Pointer$.offset[~s~0!base][4]] could not be translated [2023-11-12 00:09:59,376 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated [2023-11-12 00:09:59,376 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,376 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,376 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~s~0!base][0] could not be translated [2023-11-12 00:09:59,376 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated [2023-11-12 00:09:59,377 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,377 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,377 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,377 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,377 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated [2023-11-12 00:09:59,378 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,378 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression Derived loop invariant: ((((2 <= i) && (len == 2)) || ((((i == 1) && (data == 1)) && (len == 2)) && (2 == new_data))) || (((i == 0) && (data == 1)) && (len == 2))) - InvariantResult [Line: 618]: Loop Invariant [2023-11-12 00:09:59,379 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,379 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s~0 [2023-11-12 00:09:59,379 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,380 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~i~0 [2023-11-12 00:09:59,380 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~s~0!base][0] could not be translated [2023-11-12 00:09:59,380 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~head!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,380 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.offset[~s~0!base][4] could not be translated [2023-11-12 00:09:59,380 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,380 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,381 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated [2023-11-12 00:09:59,381 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~len~0 [2023-11-12 00:09:59,381 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,381 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s~0 [2023-11-12 00:09:59,381 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,382 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~i~0 [2023-11-12 00:09:59,382 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~head!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,382 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~head!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,382 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~new_data~0 [2023-11-12 00:09:59,383 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s~0 [2023-11-12 00:09:59,383 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,383 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated [2023-11-12 00:09:59,383 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~len~0 [2023-11-12 00:09:59,383 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,383 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,384 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,384 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,384 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s~0 [2023-11-12 00:09:59,384 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_#memory_int_49 : [int,int]int :: v_#memory_int_49[~s~0!base := v_#memory_int_49[~s~0!base][0 := 2]] == #memory_int) could not be translated [2023-11-12 00:09:59,384 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,385 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~i~0 [2023-11-12 00:09:59,385 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s~0 [2023-11-12 00:09:59,385 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,385 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~head!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,385 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~head!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,386 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s~0 [2023-11-12 00:09:59,386 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,386 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated [2023-11-12 00:09:59,386 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~len~0 [2023-11-12 00:09:59,386 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,387 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,387 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,387 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,387 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s~0 [2023-11-12 00:09:59,387 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~new_data~0 [2023-11-12 00:09:59,388 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,389 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s~0 [2023-11-12 00:09:59,389 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,389 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~i~0 [2023-11-12 00:09:59,389 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~s~0!base][0] could not be translated [2023-11-12 00:09:59,389 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~head!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,390 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.offset[~s~0!base][4] could not be translated [2023-11-12 00:09:59,390 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,390 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,390 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated [2023-11-12 00:09:59,390 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~len~0 [2023-11-12 00:09:59,390 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,391 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s~0 [2023-11-12 00:09:59,391 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,391 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~i~0 [2023-11-12 00:09:59,391 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~head!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,392 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~head!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,392 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~new_data~0 [2023-11-12 00:09:59,392 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s~0 [2023-11-12 00:09:59,392 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,392 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated [2023-11-12 00:09:59,393 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~len~0 [2023-11-12 00:09:59,393 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,393 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,393 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,393 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,393 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s~0 [2023-11-12 00:09:59,394 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_#memory_int_49 : [int,int]int :: v_#memory_int_49[~s~0!base := v_#memory_int_49[~s~0!base][0 := 2]] == #memory_int) could not be translated [2023-11-12 00:09:59,394 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,394 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~i~0 [2023-11-12 00:09:59,394 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s~0 [2023-11-12 00:09:59,394 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][4] could not be translated [2023-11-12 00:09:59,395 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~head!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,395 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~head!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,395 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s~0 [2023-11-12 00:09:59,395 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,395 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_$Pointer$.base[~s~0!base][8] could not be translated [2023-11-12 00:09:59,396 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~len~0 [2023-11-12 00:09:59,396 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,396 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~head!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,396 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,396 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #res!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 00:09:59,397 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s~0 [2023-11-12 00:09:59,397 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~new_data~0 Derived loop invariant: ((((3 == data) && (index <= 0)) || (((((\old(data) == 3) && (3 == data)) && (index == 1)) && (data == 1)) && (\old(index) == 1))) || (((((\old(index) == 0) && (data == 1)) && (\old(data) == 2)) && (2 == data)) && (index == 0))) RESULT: Ultimate proved your program to be correct! [2023-11-12 00:09:59,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_727ebcd3-c450-4970-813d-37dc0a00f1da/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE