./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-simple/sll2c_insert_equal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2966c754-5421-4840-bcfa-a0156d434e9d/bin/utaipan-verify-FOvIYxoinp/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2966c754-5421-4840-bcfa-a0156d434e9d/bin/utaipan-verify-FOvIYxoinp/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2966c754-5421-4840-bcfa-a0156d434e9d/bin/utaipan-verify-FOvIYxoinp/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2966c754-5421-4840-bcfa-a0156d434e9d/bin/utaipan-verify-FOvIYxoinp/config/TaipanReach.xml -i ../../sv-benchmarks/c/list-simple/sll2c_insert_equal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2966c754-5421-4840-bcfa-a0156d434e9d/bin/utaipan-verify-FOvIYxoinp/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2966c754-5421-4840-bcfa-a0156d434e9d/bin/utaipan-verify-FOvIYxoinp --witnessprinter.witness.filename witness.graphml --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 8eaca07dd267d84d5b5f55ad6096951e873362e33b975be77e0f552bdb4e3bcb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:04:40,480 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:04:40,595 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2966c754-5421-4840-bcfa-a0156d434e9d/bin/utaipan-verify-FOvIYxoinp/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-06 21:04:40,603 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:04:40,604 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:04:40,641 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:04:40,642 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:04:40,642 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:04:40,643 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 21:04:40,648 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 21:04:40,649 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-06 21:04:40,649 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-06 21:04:40,650 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-06 21:04:40,651 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-06 21:04:40,652 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-06 21:04:40,652 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-06 21:04:40,653 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-06 21:04:40,653 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-06 21:04:40,654 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-06 21:04:40,654 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-06 21:04:40,655 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-06 21:04:40,656 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-06 21:04:40,657 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:04:40,657 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 21:04:40,658 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 21:04:40,658 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 21:04:40,659 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 21:04:40,659 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:04:40,660 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 21:04:40,660 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 21:04:40,662 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 21:04:40,662 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 21:04:40,662 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 21:04:40,663 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:04:40,663 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:04:40,663 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 21:04:40,664 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:04:40,664 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:04:40,664 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 21:04:40,665 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 21:04:40,665 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-06 21:04:40,665 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 21:04:40,666 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 21:04:40,666 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-06 21:04:40,667 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 21:04:40,667 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_2966c754-5421-4840-bcfa-a0156d434e9d/bin/utaipan-verify-FOvIYxoinp/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2966c754-5421-4840-bcfa-a0156d434e9d/bin/utaipan-verify-FOvIYxoinp Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8eaca07dd267d84d5b5f55ad6096951e873362e33b975be77e0f552bdb4e3bcb [2023-11-06 21:04:41,000 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:04:41,035 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:04:41,038 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:04:41,040 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:04:41,040 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:04:41,043 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2966c754-5421-4840-bcfa-a0156d434e9d/bin/utaipan-verify-FOvIYxoinp/../../sv-benchmarks/c/list-simple/sll2c_insert_equal.i [2023-11-06 21:04:44,347 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:04:44,706 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:04:44,706 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2966c754-5421-4840-bcfa-a0156d434e9d/sv-benchmarks/c/list-simple/sll2c_insert_equal.i [2023-11-06 21:04:44,735 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2966c754-5421-4840-bcfa-a0156d434e9d/bin/utaipan-verify-FOvIYxoinp/data/2046f0506/852084c2a6db451f9e7d5fc3e3a15d5d/FLAGf8d62ecdd [2023-11-06 21:04:44,757 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2966c754-5421-4840-bcfa-a0156d434e9d/bin/utaipan-verify-FOvIYxoinp/data/2046f0506/852084c2a6db451f9e7d5fc3e3a15d5d [2023-11-06 21:04:44,762 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:04:44,764 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:04:44,768 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:04:44,768 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:04:44,774 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:04:44,775 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:04:44" (1/1) ... [2023-11-06 21:04:44,776 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51d7e219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:04:44, skipping insertion in model container [2023-11-06 21:04:44,777 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:04:44" (1/1) ... [2023-11-06 21:04:44,838 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:04:45,251 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_2966c754-5421-4840-bcfa-a0156d434e9d/sv-benchmarks/c/list-simple/sll2c_insert_equal.i[24601,24614] [2023-11-06 21:04:45,260 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:04:45,273 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 21:04:45,333 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_2966c754-5421-4840-bcfa-a0156d434e9d/sv-benchmarks/c/list-simple/sll2c_insert_equal.i[24601,24614] [2023-11-06 21:04:45,334 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:04:45,368 INFO L206 MainTranslator]: Completed translation [2023-11-06 21:04:45,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:04:45 WrapperNode [2023-11-06 21:04:45,369 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:04:45,370 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 21:04:45,371 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 21:04:45,371 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 21:04:45,379 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:04:45" (1/1) ... [2023-11-06 21:04:45,398 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:04:45" (1/1) ... [2023-11-06 21:04:45,429 INFO L138 Inliner]: procedures = 127, calls = 43, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 143 [2023-11-06 21:04:45,429 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 21:04:45,430 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 21:04:45,430 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 21:04:45,431 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 21:04:45,448 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:04:45" (1/1) ... [2023-11-06 21:04:45,448 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:04:45" (1/1) ... [2023-11-06 21:04:45,453 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:04:45" (1/1) ... [2023-11-06 21:04:45,453 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:04:45" (1/1) ... [2023-11-06 21:04:45,463 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:04:45" (1/1) ... [2023-11-06 21:04:45,468 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:04:45" (1/1) ... [2023-11-06 21:04:45,470 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:04:45" (1/1) ... [2023-11-06 21:04:45,472 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:04:45" (1/1) ... [2023-11-06 21:04:45,476 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 21:04:45,477 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 21:04:45,477 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 21:04:45,477 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 21:04:45,478 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:04:45" (1/1) ... [2023-11-06 21:04:45,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:04:45,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2966c754-5421-4840-bcfa-a0156d434e9d/bin/utaipan-verify-FOvIYxoinp/z3 [2023-11-06 21:04:45,517 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2966c754-5421-4840-bcfa-a0156d434e9d/bin/utaipan-verify-FOvIYxoinp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 21:04:45,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2966c754-5421-4840-bcfa-a0156d434e9d/bin/utaipan-verify-FOvIYxoinp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 21:04:45,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 21:04:45,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 21:04:45,570 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2023-11-06 21:04:45,570 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2023-11-06 21:04:45,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 21:04:45,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 21:04:45,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 21:04:45,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 21:04:45,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 21:04:45,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 21:04:45,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-06 21:04:45,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 21:04:45,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 21:04:45,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 21:04:45,717 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 21:04:45,719 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 21:04:46,063 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 21:04:46,224 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 21:04:46,224 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-06 21:04:46,227 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:04:46 BoogieIcfgContainer [2023-11-06 21:04:46,227 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 21:04:46,232 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 21:04:46,232 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 21:04:46,235 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 21:04:46,236 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:04:44" (1/3) ... [2023-11-06 21:04:46,238 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57c0f128 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:04:46, skipping insertion in model container [2023-11-06 21:04:46,238 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:04:45" (2/3) ... [2023-11-06 21:04:46,240 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57c0f128 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:04:46, skipping insertion in model container [2023-11-06 21:04:46,241 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:04:46" (3/3) ... [2023-11-06 21:04:46,242 INFO L112 eAbstractionObserver]: Analyzing ICFG sll2c_insert_equal.i [2023-11-06 21:04:46,263 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 21:04:46,263 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 21:04:46,327 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 21:04:46,334 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=LoopsAndPotentialCycles, 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;@4d0c545b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-06 21:04:46,335 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 21:04:46,340 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 19 states have internal predecessors, (28), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-06 21:04:46,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-06 21:04:46,350 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:04:46,351 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:04:46,352 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:04:46,361 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:04:46,362 INFO L85 PathProgramCache]: Analyzing trace with hash 1163290619, now seen corresponding path program 1 times [2023-11-06 21:04:46,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-06 21:04:46,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100205724] [2023-11-06 21:04:46,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:04:46,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:04:46,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:04:46,856 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 21:04:46,856 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-06 21:04:46,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100205724] [2023-11-06 21:04:46,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100205724] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:04:46,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:04:46,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 21:04:46,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245349939] [2023-11-06 21:04:46,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:04:46,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 21:04:46,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-06 21:04:46,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 21:04:46,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 21:04:46,913 INFO L87 Difference]: Start difference. First operand has 24 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 19 states have internal predecessors, (28), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 21:04:47,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:04:47,040 INFO L93 Difference]: Finished difference Result 45 states and 64 transitions. [2023-11-06 21:04:47,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 21:04:47,043 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 16 [2023-11-06 21:04:47,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:04:47,051 INFO L225 Difference]: With dead ends: 45 [2023-11-06 21:04:47,051 INFO L226 Difference]: Without dead ends: 21 [2023-11-06 21:04:47,054 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 21:04:47,058 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 1 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 21:04:47,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 42 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 21:04:47,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2023-11-06 21:04:47,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 19. [2023-11-06 21:04:47,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 14 states have internal predecessors, (18), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-06 21:04:47,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 24 transitions. [2023-11-06 21:04:47,130 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 24 transitions. Word has length 16 [2023-11-06 21:04:47,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:04:47,133 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 24 transitions. [2023-11-06 21:04:47,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 21:04:47,133 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2023-11-06 21:04:47,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-06 21:04:47,135 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:04:47,135 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:04:47,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 21:04:47,135 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:04:47,136 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:04:47,136 INFO L85 PathProgramCache]: Analyzing trace with hash -54821104, now seen corresponding path program 1 times [2023-11-06 21:04:47,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-06 21:04:47,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867590318] [2023-11-06 21:04:47,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:04:47,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:04:47,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:04:47,547 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-06 21:04:47,547 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-06 21:04:47,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867590318] [2023-11-06 21:04:47,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867590318] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:04:47,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:04:47,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 21:04:47,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757505471] [2023-11-06 21:04:47,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:04:47,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 21:04:47,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-06 21:04:47,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 21:04:47,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 21:04:47,551 INFO L87 Difference]: Start difference. First operand 19 states and 24 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-06 21:04:47,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:04:47,682 INFO L93 Difference]: Finished difference Result 26 states and 33 transitions. [2023-11-06 21:04:47,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 21:04:47,683 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2023-11-06 21:04:47,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:04:47,684 INFO L225 Difference]: With dead ends: 26 [2023-11-06 21:04:47,684 INFO L226 Difference]: Without dead ends: 20 [2023-11-06 21:04:47,685 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 [2023-11-06 21:04:47,687 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 12 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 21:04:47,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 34 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 21:04:47,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2023-11-06 21:04:47,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2023-11-06 21:04:47,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-06 21:04:47,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2023-11-06 21:04:47,695 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 25 transitions. Word has length 22 [2023-11-06 21:04:47,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:04:47,695 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 25 transitions. [2023-11-06 21:04:47,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-06 21:04:47,696 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2023-11-06 21:04:47,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-06 21:04:47,697 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:04:47,697 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:04:47,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 21:04:47,698 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:04:47,698 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:04:47,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1788563102, now seen corresponding path program 1 times [2023-11-06 21:04:47,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-06 21:04:47,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597393283] [2023-11-06 21:04:47,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:04:47,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:04:47,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:04:51,189 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:04:51,189 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-06 21:04:51,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597393283] [2023-11-06 21:04:51,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597393283] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 21:04:51,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [711573283] [2023-11-06 21:04:51,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:04:51,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:04:51,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2966c754-5421-4840-bcfa-a0156d434e9d/bin/utaipan-verify-FOvIYxoinp/z3 [2023-11-06 21:04:51,207 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2966c754-5421-4840-bcfa-a0156d434e9d/bin/utaipan-verify-FOvIYxoinp/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 21:04:51,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2966c754-5421-4840-bcfa-a0156d434e9d/bin/utaipan-verify-FOvIYxoinp/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 21:04:51,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:04:51,855 INFO L262 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 120 conjunts are in the unsatisfiable core [2023-11-06 21:04:51,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:04:52,004 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-06 21:04:52,307 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 11 treesize of output 7 [2023-11-06 21:04:52,446 INFO L322 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-11-06 21:04:52,447 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2023-11-06 21:04:52,575 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-11-06 21:04:52,765 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 20 treesize of output 15 [2023-11-06 21:04:52,983 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 46 treesize of output 26 [2023-11-06 21:04:52,990 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 7 treesize of output 3 [2023-11-06 21:04:52,999 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-06 21:04:53,007 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 7 treesize of output 3 [2023-11-06 21:04:53,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 21:04:53,316 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 [2023-11-06 21:04:53,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 21:04:53,338 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 54 treesize of output 41 [2023-11-06 21:04:53,367 INFO L322 Elim1Store]: treesize reduction 8, result has 61.9 percent of original size [2023-11-06 21:04:53,367 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 22 [2023-11-06 21:04:53,382 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2023-11-06 21:04:54,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 21:04:54,096 INFO L322 Elim1Store]: treesize reduction 44, result has 10.2 percent of original size [2023-11-06 21:04:54,097 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 103 treesize of output 76 [2023-11-06 21:04:54,107 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 89 treesize of output 53 [2023-11-06 21:04:54,118 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2023-11-06 21:04:54,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 21:04:54,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 21:04:54,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 21:04:54,141 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 15 treesize of output 7 [2023-11-06 21:04:54,160 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 21:04:54,306 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:04:54,306 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 21:04:56,875 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse3 (= |c_ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.offset| 0)) (.cse2 (= |c_ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.base| 0))) (and (or (let ((.cse1 (select |c_#memory_int| |c_ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.base|)) (.cse0 (= |c_ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.base| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|))) (and (or (not .cse0) (forall ((v_DerPreprocessor_54 (Array Int Int)) (v_ArrVal_351 Int) (v_DerPreprocessor_60 (Array Int Int)) (v_DerPreprocessor_55 (Array Int Int))) (= |c_ULTIMATE.start_main_~data~0#1| (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.base| (store .cse1 |c_ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.offset| v_ArrVal_351)) |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_54) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_60) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_55) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4))))) (or (forall ((v_DerPreprocessor_54 (Array Int Int)) (v_ArrVal_351 Int) (v_DerPreprocessor_59 (Array Int Int)) (v_DerPreprocessor_56 (Array Int Int)) (v_DerPreprocessor_57 (Array Int Int)) (v_DerPreprocessor_58 (Array Int Int))) (= |c_ULTIMATE.start_main_~data~0#1| (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.base| (store .cse1 |c_ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.offset| v_ArrVal_351)) |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_54) (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.base| v_DerPreprocessor_58) |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_59) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.base| v_DerPreprocessor_56) |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_57) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4)))) .cse0))) (and .cse2 .cse3)) (or (not .cse3) (not .cse2) (let ((.cse25 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|))) (let ((.cse4 (= (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|) 0)) (.cse5 (= .cse25 0))) (and (or (and .cse4 .cse5) (let ((.cse12 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|) |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.offset| .cse25)))) (let ((.cse11 (select (select .cse12 |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|))) (let ((.cse14 (= .cse11 |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|)) (.cse18 (= |c_ULTIMATE.start_sll_circular_insert_~head#1.base| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|)) (.cse13 (= .cse11 |c_ULTIMATE.start_sll_circular_insert_~head#1.base|))) (let ((.cse8 (not .cse13)) (.cse7 (forall ((v_DerPreprocessor_5 (Array Int Int)) (v_DerPreprocessor_6 (Array Int Int))) (not (= (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_5) .cse11 v_DerPreprocessor_6) |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|) v_DerPreprocessor_5)))) (.cse6 (not .cse18)) (.cse9 (forall ((v_DerPreprocessor_10 (Array Int Int)) (v_DerPreprocessor_9 (Array Int Int))) (not (= v_DerPreprocessor_9 (select (store (store |c_#memory_int| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_9) .cse11 v_DerPreprocessor_10) |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|))))) (.cse21 (not .cse14))) (and (or .cse6 (and (or .cse7 (and (or .cse8 .cse9 (forall ((v_DerPreprocessor_20 (Array Int Int)) (v_DerPreprocessor_26 (Array Int Int)) (v_DerPreprocessor_11 (Array Int Int)) (v_DerPreprocessor_12 (Array Int Int))) (let ((.cse10 (store (store .cse12 .cse11 v_DerPreprocessor_11) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_12))) (or (= |c_ULTIMATE.start_main_~data~0#1| (select (select (store |c_#memory_int| |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_26) (select (select .cse10 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_20) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4))) (not (= v_DerPreprocessor_11 (select .cse10 .cse11))))))) (or .cse13 (forall ((v_DerPreprocessor_20 (Array Int Int)) (v_DerPreprocessor_11 (Array Int Int)) (v_DerPreprocessor_12 (Array Int Int)) (v_DerPreprocessor_24 (Array Int Int)) (v_DerPreprocessor_25 (Array Int Int))) (= |c_ULTIMATE.start_main_~data~0#1| (select (select (store (store |c_#memory_int| .cse11 v_DerPreprocessor_24) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_25) (select (select (store (store .cse12 .cse11 v_DerPreprocessor_11) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_12) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_20) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4))))))) (or .cse13 (forall ((v_DerPreprocessor_19 (Array Int Int)) (v_DerPreprocessor_18 (Array Int Int)) (v_DerPreprocessor_11 (Array Int Int)) (v_DerPreprocessor_22 (Array Int Int)) (v_DerPreprocessor_12 (Array Int Int)) (v_DerPreprocessor_23 (Array Int Int))) (= (select (select (store (store |c_#memory_int| .cse11 v_DerPreprocessor_22) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_23) (select (select (store (store .cse12 .cse11 v_DerPreprocessor_11) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_12) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ 4 (select (select (store (store |c_#memory_$Pointer$.offset| .cse11 v_DerPreprocessor_18) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_19) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|))) |c_ULTIMATE.start_main_~data~0#1|))))) (or .cse14 (and (or .cse6 (forall ((v_DerPreprocessor_15 (Array Int Int)) (v_DerPreprocessor_37 (Array Int Int)) (v_DerPreprocessor_38 (Array Int Int)) (v_DerPreprocessor_11 (Array Int Int)) (v_DerPreprocessor_12 (Array Int Int)) (v_DerPreprocessor_13 (Array Int Int)) (v_DerPreprocessor_14 (Array Int Int))) (let ((.cse15 (store (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_13) .cse11 v_DerPreprocessor_14) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_15))) (or (not (= (select .cse15 |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|) v_DerPreprocessor_13)) (= |c_ULTIMATE.start_main_~data~0#1| (select (select (store (store |c_#memory_int| .cse11 v_DerPreprocessor_37) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_38) (select (select (store (store .cse12 .cse11 v_DerPreprocessor_11) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_12) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select .cse15 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4))))))) (or (and (or .cse13 (forall ((v_DerPreprocessor_15 (Array Int Int)) (v_DerPreprocessor_33 (Array Int Int)) (v_DerPreprocessor_11 (Array Int Int)) (v_DerPreprocessor_34 (Array Int Int)) (v_DerPreprocessor_12 (Array Int Int)) (v_DerPreprocessor_35 (Array Int Int)) (v_DerPreprocessor_13 (Array Int Int)) (v_DerPreprocessor_14 (Array Int Int))) (= |c_ULTIMATE.start_main_~data~0#1| (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_33) .cse11 v_DerPreprocessor_34) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_35) (select (select (store (store .cse12 .cse11 v_DerPreprocessor_11) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_12) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select (store (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_13) .cse11 v_DerPreprocessor_14) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_15) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4))))) (forall ((v_DerPreprocessor_11 (Array Int Int)) (v_DerPreprocessor_12 (Array Int Int))) (let ((.cse16 (store (store .cse12 .cse11 v_DerPreprocessor_11) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_12))) (or (forall ((v_DerPreprocessor_15 (Array Int Int)) (v_DerPreprocessor_13 (Array Int Int)) (v_DerPreprocessor_14 (Array Int Int))) (let ((.cse17 (store (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_13) .cse11 v_DerPreprocessor_14) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_15))) (or (forall ((v_DerPreprocessor_31 (Array Int Int)) (v_DerPreprocessor_32 (Array Int Int))) (= |c_ULTIMATE.start_main_~data~0#1| (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_31) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_32) (select (select .cse16 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select .cse17 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4)))) (not (= (select .cse17 .cse11) v_DerPreprocessor_14))))) (not (= v_DerPreprocessor_11 (select .cse16 .cse11))))))) .cse18))) (or .cse13 (and (or .cse14 .cse18 (and (forall ((v_DerPreprocessor_41 (Array Int Int)) (v_DerPreprocessor_42 (Array Int Int)) (v_DerPreprocessor_43 (Array Int Int)) (v_DerPreprocessor_16 (Array Int Int)) (v_DerPreprocessor_17 (Array Int Int)) (v_DerPreprocessor_11 (Array Int Int)) (v_DerPreprocessor_12 (Array Int Int))) (= |c_ULTIMATE.start_main_~data~0#1| (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_41) .cse11 v_DerPreprocessor_42) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_43) (select (select (store (store .cse12 .cse11 v_DerPreprocessor_11) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_12) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select (store (store |c_#memory_$Pointer$.offset| .cse11 v_DerPreprocessor_16) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_17) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4)))) (forall ((v_DerPreprocessor_16 (Array Int Int)) (v_DerPreprocessor_17 (Array Int Int)) (v_DerPreprocessor_11 (Array Int Int)) (v_DerPreprocessor_44 (Array Int Int)) (v_DerPreprocessor_12 (Array Int Int)) (v_DerPreprocessor_45 (Array Int Int))) (= |c_ULTIMATE.start_main_~data~0#1| (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_44) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_45) (select (select (store (store .cse12 .cse11 v_DerPreprocessor_11) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_12) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select (store (store |c_#memory_$Pointer$.offset| .cse11 v_DerPreprocessor_16) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_17) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4)))))) (or (forall ((v_DerPreprocessor_40 (Array Int Int)) (v_DerPreprocessor_5 (Array Int Int)) (v_DerPreprocessor_9 (Array Int Int)) (v_DerPreprocessor_16 (Array Int Int)) (v_DerPreprocessor_39 (Array Int Int)) (v_DerPreprocessor_17 (Array Int Int)) (v_DerPreprocessor_11 (Array Int Int)) (v_DerPreprocessor_12 (Array Int Int))) (let ((.cse19 (store (store |c_#memory_int| .cse11 v_DerPreprocessor_39) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_40)) (.cse20 (store (store |c_#memory_$Pointer$.offset| .cse11 v_DerPreprocessor_16) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_17))) (or (= |c_ULTIMATE.start_main_~data~0#1| (select (select .cse19 (select (select (store (store .cse12 .cse11 v_DerPreprocessor_11) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_12) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select .cse20 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4))) (not (= (select (store (store |c_#memory_int| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_9) .cse11 (select .cse19 .cse11)) |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|) v_DerPreprocessor_9)) (not (= (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_5) .cse11 (select .cse20 .cse11)) |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|) v_DerPreprocessor_5))))) .cse21) (or (forall ((v_DerPreprocessor_16 (Array Int Int)) (v_DerPreprocessor_17 (Array Int Int)) (v_DerPreprocessor_11 (Array Int Int)) (v_DerPreprocessor_12 (Array Int Int)) (v_DerPreprocessor_46 (Array Int Int)) (v_DerPreprocessor_47 (Array Int Int))) (= |c_ULTIMATE.start_main_~data~0#1| (select (select (store (store |c_#memory_int| .cse11 v_DerPreprocessor_46) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_47) (select (select (store (store .cse12 .cse11 v_DerPreprocessor_11) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_12) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select (store (store |c_#memory_$Pointer$.offset| .cse11 v_DerPreprocessor_16) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_17) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4)))) .cse6))) (or .cse8 .cse7 (and (or (forall ((v_DerPreprocessor_21 (Array Int Int)) (v_DerPreprocessor_28 (Array Int Int)) (v_DerPreprocessor_29 (Array Int Int)) (v_DerPreprocessor_11 (Array Int Int)) (v_DerPreprocessor_12 (Array Int Int))) (let ((.cse22 (store (store .cse12 .cse11 v_DerPreprocessor_11) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_12))) (or (= |c_ULTIMATE.start_main_~data~0#1| (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_28) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_29) (select (select .cse22 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_21) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4))) (not (= v_DerPreprocessor_11 (select .cse22 .cse11)))))) .cse14) (or .cse9 .cse6 (forall ((v_DerPreprocessor_30 (Array Int Int)) (v_DerPreprocessor_21 (Array Int Int)) (v_DerPreprocessor_11 (Array Int Int)) (v_DerPreprocessor_12 (Array Int Int))) (let ((.cse23 (store (store .cse12 .cse11 v_DerPreprocessor_11) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_12))) (or (= |c_ULTIMATE.start_main_~data~0#1| (select (select (store |c_#memory_int| |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_30) (select (select .cse23 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_21) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4))) (not (= v_DerPreprocessor_11 (select .cse23 .cse11))))))) (or .cse9 (forall ((v_DerPreprocessor_21 (Array Int Int)) (v_DerPreprocessor_27 (Array Int Int)) (v_DerPreprocessor_11 (Array Int Int)) (v_DerPreprocessor_12 (Array Int Int))) (let ((.cse24 (store (store .cse12 .cse11 v_DerPreprocessor_11) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_12))) (or (= |c_ULTIMATE.start_main_~data~0#1| (select (select (store |c_#memory_int| |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_27) (select (select .cse24 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_21) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4))) (not (= v_DerPreprocessor_11 (select .cse24 .cse11)))))) .cse21))))))))) (or (forall ((v_DerPreprocessor_51 (Array Int Int)) (v_DerPreprocessor_52 (Array Int Int)) (v_DerPreprocessor_53 (Array Int Int)) (v_DerPreprocessor_50 (Array Int Int)) (v_DerPreprocessor_48 (Array Int Int)) (v_DerPreprocessor_49 (Array Int Int))) (let ((.cse26 (store (store |c_#memory_int| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_50) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_51)) (.cse27 (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_48) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_49)) (.cse28 (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_52) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_53))) (or (not (= v_DerPreprocessor_50 (select .cse26 |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|))) (= |c_ULTIMATE.start_main_~data~0#1| (select (select .cse26 (select (select .cse27 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select .cse28 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4))) (not (= v_DerPreprocessor_48 (select .cse27 |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|))) (not (= v_DerPreprocessor_52 (select .cse28 |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|)))))) (not .cse4) (not .cse5)))))))) is different from false [2023-11-06 21:04:57,736 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse0 (= |c_ULTIMATE.start_sll_circular_insert_~last~1#1.base| 0)) (.cse1 (= |c_ULTIMATE.start_sll_circular_insert_~last~1#1.offset| 0))) (and (or (and .cse0 .cse1) (let ((.cse2 (select |c_#memory_int| |c_ULTIMATE.start_sll_circular_insert_~last~1#1.base|)) (.cse3 (= |c_ULTIMATE.start_sll_circular_insert_~last~1#1.base| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|))) (and (or (forall ((v_DerPreprocessor_54 (Array Int Int)) (v_ArrVal_351 Int) (v_DerPreprocessor_60 (Array Int Int)) (v_DerPreprocessor_55 (Array Int Int))) (= |c_ULTIMATE.start_main_~data~0#1| (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_sll_circular_insert_~last~1#1.base| (store .cse2 |c_ULTIMATE.start_sll_circular_insert_~last~1#1.offset| v_ArrVal_351)) |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_54) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_60) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_55) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4)))) (not .cse3)) (or (forall ((v_DerPreprocessor_54 (Array Int Int)) (v_ArrVal_351 Int) (v_DerPreprocessor_59 (Array Int Int)) (v_DerPreprocessor_56 (Array Int Int)) (v_DerPreprocessor_57 (Array Int Int)) (v_DerPreprocessor_58 (Array Int Int))) (= |c_ULTIMATE.start_main_~data~0#1| (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_sll_circular_insert_~last~1#1.base| (store .cse2 |c_ULTIMATE.start_sll_circular_insert_~last~1#1.offset| v_ArrVal_351)) |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_54) (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~last~1#1.base| v_DerPreprocessor_58) |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_59) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_~last~1#1.base| v_DerPreprocessor_56) |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_57) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4)))) .cse3)))) (or (not .cse0) (not .cse1) (let ((.cse25 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|))) (let ((.cse4 (= (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|) 0)) (.cse5 (= .cse25 0))) (and (or (and .cse4 .cse5) (let ((.cse12 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|) |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.offset| .cse25)))) (let ((.cse11 (select (select .cse12 |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|))) (let ((.cse14 (= .cse11 |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|)) (.cse18 (= |c_ULTIMATE.start_sll_circular_insert_~head#1.base| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|)) (.cse13 (= .cse11 |c_ULTIMATE.start_sll_circular_insert_~head#1.base|))) (let ((.cse8 (not .cse13)) (.cse7 (forall ((v_DerPreprocessor_5 (Array Int Int)) (v_DerPreprocessor_6 (Array Int Int))) (not (= (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_5) .cse11 v_DerPreprocessor_6) |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|) v_DerPreprocessor_5)))) (.cse6 (not .cse18)) (.cse9 (forall ((v_DerPreprocessor_10 (Array Int Int)) (v_DerPreprocessor_9 (Array Int Int))) (not (= v_DerPreprocessor_9 (select (store (store |c_#memory_int| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_9) .cse11 v_DerPreprocessor_10) |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|))))) (.cse21 (not .cse14))) (and (or .cse6 (and (or .cse7 (and (or .cse8 .cse9 (forall ((v_DerPreprocessor_20 (Array Int Int)) (v_DerPreprocessor_26 (Array Int Int)) (v_DerPreprocessor_11 (Array Int Int)) (v_DerPreprocessor_12 (Array Int Int))) (let ((.cse10 (store (store .cse12 .cse11 v_DerPreprocessor_11) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_12))) (or (= |c_ULTIMATE.start_main_~data~0#1| (select (select (store |c_#memory_int| |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_26) (select (select .cse10 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_20) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4))) (not (= v_DerPreprocessor_11 (select .cse10 .cse11))))))) (or .cse13 (forall ((v_DerPreprocessor_20 (Array Int Int)) (v_DerPreprocessor_11 (Array Int Int)) (v_DerPreprocessor_12 (Array Int Int)) (v_DerPreprocessor_24 (Array Int Int)) (v_DerPreprocessor_25 (Array Int Int))) (= |c_ULTIMATE.start_main_~data~0#1| (select (select (store (store |c_#memory_int| .cse11 v_DerPreprocessor_24) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_25) (select (select (store (store .cse12 .cse11 v_DerPreprocessor_11) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_12) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_20) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4))))))) (or .cse13 (forall ((v_DerPreprocessor_19 (Array Int Int)) (v_DerPreprocessor_18 (Array Int Int)) (v_DerPreprocessor_11 (Array Int Int)) (v_DerPreprocessor_22 (Array Int Int)) (v_DerPreprocessor_12 (Array Int Int)) (v_DerPreprocessor_23 (Array Int Int))) (= (select (select (store (store |c_#memory_int| .cse11 v_DerPreprocessor_22) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_23) (select (select (store (store .cse12 .cse11 v_DerPreprocessor_11) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_12) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ 4 (select (select (store (store |c_#memory_$Pointer$.offset| .cse11 v_DerPreprocessor_18) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_19) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|))) |c_ULTIMATE.start_main_~data~0#1|))))) (or .cse14 (and (or .cse6 (forall ((v_DerPreprocessor_15 (Array Int Int)) (v_DerPreprocessor_37 (Array Int Int)) (v_DerPreprocessor_38 (Array Int Int)) (v_DerPreprocessor_11 (Array Int Int)) (v_DerPreprocessor_12 (Array Int Int)) (v_DerPreprocessor_13 (Array Int Int)) (v_DerPreprocessor_14 (Array Int Int))) (let ((.cse15 (store (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_13) .cse11 v_DerPreprocessor_14) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_15))) (or (not (= (select .cse15 |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|) v_DerPreprocessor_13)) (= |c_ULTIMATE.start_main_~data~0#1| (select (select (store (store |c_#memory_int| .cse11 v_DerPreprocessor_37) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_38) (select (select (store (store .cse12 .cse11 v_DerPreprocessor_11) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_12) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select .cse15 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4))))))) (or (and (or .cse13 (forall ((v_DerPreprocessor_15 (Array Int Int)) (v_DerPreprocessor_33 (Array Int Int)) (v_DerPreprocessor_11 (Array Int Int)) (v_DerPreprocessor_34 (Array Int Int)) (v_DerPreprocessor_12 (Array Int Int)) (v_DerPreprocessor_35 (Array Int Int)) (v_DerPreprocessor_13 (Array Int Int)) (v_DerPreprocessor_14 (Array Int Int))) (= |c_ULTIMATE.start_main_~data~0#1| (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_33) .cse11 v_DerPreprocessor_34) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_35) (select (select (store (store .cse12 .cse11 v_DerPreprocessor_11) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_12) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select (store (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_13) .cse11 v_DerPreprocessor_14) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_15) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4))))) (forall ((v_DerPreprocessor_11 (Array Int Int)) (v_DerPreprocessor_12 (Array Int Int))) (let ((.cse16 (store (store .cse12 .cse11 v_DerPreprocessor_11) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_12))) (or (forall ((v_DerPreprocessor_15 (Array Int Int)) (v_DerPreprocessor_13 (Array Int Int)) (v_DerPreprocessor_14 (Array Int Int))) (let ((.cse17 (store (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_13) .cse11 v_DerPreprocessor_14) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_15))) (or (forall ((v_DerPreprocessor_31 (Array Int Int)) (v_DerPreprocessor_32 (Array Int Int))) (= |c_ULTIMATE.start_main_~data~0#1| (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_31) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_32) (select (select .cse16 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select .cse17 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4)))) (not (= (select .cse17 .cse11) v_DerPreprocessor_14))))) (not (= v_DerPreprocessor_11 (select .cse16 .cse11))))))) .cse18))) (or .cse13 (and (or .cse14 .cse18 (and (forall ((v_DerPreprocessor_41 (Array Int Int)) (v_DerPreprocessor_42 (Array Int Int)) (v_DerPreprocessor_43 (Array Int Int)) (v_DerPreprocessor_16 (Array Int Int)) (v_DerPreprocessor_17 (Array Int Int)) (v_DerPreprocessor_11 (Array Int Int)) (v_DerPreprocessor_12 (Array Int Int))) (= |c_ULTIMATE.start_main_~data~0#1| (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_41) .cse11 v_DerPreprocessor_42) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_43) (select (select (store (store .cse12 .cse11 v_DerPreprocessor_11) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_12) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select (store (store |c_#memory_$Pointer$.offset| .cse11 v_DerPreprocessor_16) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_17) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4)))) (forall ((v_DerPreprocessor_16 (Array Int Int)) (v_DerPreprocessor_17 (Array Int Int)) (v_DerPreprocessor_11 (Array Int Int)) (v_DerPreprocessor_44 (Array Int Int)) (v_DerPreprocessor_12 (Array Int Int)) (v_DerPreprocessor_45 (Array Int Int))) (= |c_ULTIMATE.start_main_~data~0#1| (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_44) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_45) (select (select (store (store .cse12 .cse11 v_DerPreprocessor_11) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_12) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select (store (store |c_#memory_$Pointer$.offset| .cse11 v_DerPreprocessor_16) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_17) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4)))))) (or (forall ((v_DerPreprocessor_40 (Array Int Int)) (v_DerPreprocessor_5 (Array Int Int)) (v_DerPreprocessor_9 (Array Int Int)) (v_DerPreprocessor_16 (Array Int Int)) (v_DerPreprocessor_39 (Array Int Int)) (v_DerPreprocessor_17 (Array Int Int)) (v_DerPreprocessor_11 (Array Int Int)) (v_DerPreprocessor_12 (Array Int Int))) (let ((.cse19 (store (store |c_#memory_int| .cse11 v_DerPreprocessor_39) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_40)) (.cse20 (store (store |c_#memory_$Pointer$.offset| .cse11 v_DerPreprocessor_16) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_17))) (or (= |c_ULTIMATE.start_main_~data~0#1| (select (select .cse19 (select (select (store (store .cse12 .cse11 v_DerPreprocessor_11) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_12) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select .cse20 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4))) (not (= (select (store (store |c_#memory_int| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_9) .cse11 (select .cse19 .cse11)) |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|) v_DerPreprocessor_9)) (not (= (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_5) .cse11 (select .cse20 .cse11)) |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|) v_DerPreprocessor_5))))) .cse21) (or (forall ((v_DerPreprocessor_16 (Array Int Int)) (v_DerPreprocessor_17 (Array Int Int)) (v_DerPreprocessor_11 (Array Int Int)) (v_DerPreprocessor_12 (Array Int Int)) (v_DerPreprocessor_46 (Array Int Int)) (v_DerPreprocessor_47 (Array Int Int))) (= |c_ULTIMATE.start_main_~data~0#1| (select (select (store (store |c_#memory_int| .cse11 v_DerPreprocessor_46) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_47) (select (select (store (store .cse12 .cse11 v_DerPreprocessor_11) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_12) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select (store (store |c_#memory_$Pointer$.offset| .cse11 v_DerPreprocessor_16) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_17) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4)))) .cse6))) (or .cse8 .cse7 (and (or (forall ((v_DerPreprocessor_21 (Array Int Int)) (v_DerPreprocessor_28 (Array Int Int)) (v_DerPreprocessor_29 (Array Int Int)) (v_DerPreprocessor_11 (Array Int Int)) (v_DerPreprocessor_12 (Array Int Int))) (let ((.cse22 (store (store .cse12 .cse11 v_DerPreprocessor_11) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_12))) (or (= |c_ULTIMATE.start_main_~data~0#1| (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_28) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_29) (select (select .cse22 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_21) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4))) (not (= v_DerPreprocessor_11 (select .cse22 .cse11)))))) .cse14) (or .cse9 .cse6 (forall ((v_DerPreprocessor_30 (Array Int Int)) (v_DerPreprocessor_21 (Array Int Int)) (v_DerPreprocessor_11 (Array Int Int)) (v_DerPreprocessor_12 (Array Int Int))) (let ((.cse23 (store (store .cse12 .cse11 v_DerPreprocessor_11) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_12))) (or (= |c_ULTIMATE.start_main_~data~0#1| (select (select (store |c_#memory_int| |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_30) (select (select .cse23 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_21) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4))) (not (= v_DerPreprocessor_11 (select .cse23 .cse11))))))) (or .cse9 (forall ((v_DerPreprocessor_21 (Array Int Int)) (v_DerPreprocessor_27 (Array Int Int)) (v_DerPreprocessor_11 (Array Int Int)) (v_DerPreprocessor_12 (Array Int Int))) (let ((.cse24 (store (store .cse12 .cse11 v_DerPreprocessor_11) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_12))) (or (= |c_ULTIMATE.start_main_~data~0#1| (select (select (store |c_#memory_int| |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_27) (select (select .cse24 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_21) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4))) (not (= v_DerPreprocessor_11 (select .cse24 .cse11)))))) .cse21))))))))) (or (forall ((v_DerPreprocessor_51 (Array Int Int)) (v_DerPreprocessor_52 (Array Int Int)) (v_DerPreprocessor_53 (Array Int Int)) (v_DerPreprocessor_50 (Array Int Int)) (v_DerPreprocessor_48 (Array Int Int)) (v_DerPreprocessor_49 (Array Int Int))) (let ((.cse26 (store (store |c_#memory_int| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_50) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_51)) (.cse27 (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_48) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_49)) (.cse28 (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_52) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_53))) (or (not (= v_DerPreprocessor_50 (select .cse26 |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|))) (= |c_ULTIMATE.start_main_~data~0#1| (select (select .cse26 (select (select .cse27 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select .cse28 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4))) (not (= v_DerPreprocessor_48 (select .cse27 |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|))) (not (= v_DerPreprocessor_52 (select .cse28 |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|)))))) (not .cse4) (not .cse5)))))))) is different from false [2023-11-06 21:04:57,855 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|)) (.cse2 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|))) (let ((.cse4 (= .cse2 0)) (.cse5 (= .cse0 0))) (and (or (let ((.cse3 (= .cse0 |c_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base|)) (.cse1 (select |c_#memory_int| .cse0))) (and (or (forall ((v_DerPreprocessor_54 (Array Int Int)) (v_ArrVal_351 Int) (v_DerPreprocessor_59 (Array Int Int)) (v_DerPreprocessor_56 (Array Int Int)) (v_DerPreprocessor_57 (Array Int Int)) (v_DerPreprocessor_58 (Array Int Int))) (= |c_ULTIMATE.start_main_~data~0#1| (select (select (store (store |c_#memory_int| .cse0 (store .cse1 .cse2 v_ArrVal_351)) |c_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base| v_DerPreprocessor_54) (select (select (store (store |c_#memory_$Pointer$.base| .cse0 v_DerPreprocessor_58) |c_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base| v_DerPreprocessor_59) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select (store (store |c_#memory_$Pointer$.offset| .cse0 v_DerPreprocessor_56) |c_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base| v_DerPreprocessor_57) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4)))) .cse3) (or (not .cse3) (forall ((v_DerPreprocessor_54 (Array Int Int)) (v_ArrVal_351 Int) (v_DerPreprocessor_60 (Array Int Int)) (v_DerPreprocessor_55 (Array Int Int))) (= |c_ULTIMATE.start_main_~data~0#1| (select (select (store (store |c_#memory_int| .cse0 (store .cse1 .cse2 v_ArrVal_351)) |c_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base| v_DerPreprocessor_54) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base| v_DerPreprocessor_60) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base| v_DerPreprocessor_55) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4))))))) (and .cse4 .cse5)) (or (forall ((v_DerPreprocessor_51 (Array Int Int)) (v_DerPreprocessor_52 (Array Int Int)) (v_DerPreprocessor_53 (Array Int Int)) (v_DerPreprocessor_50 (Array Int Int)) (v_DerPreprocessor_48 (Array Int Int)) (v_DerPreprocessor_49 (Array Int Int))) (let ((.cse7 (store (store |c_#memory_int| |c_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base| v_DerPreprocessor_50) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_51)) (.cse6 (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base| v_DerPreprocessor_52) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_53)) (.cse8 (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base| v_DerPreprocessor_48) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_49))) (or (not (= (select .cse6 |c_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base|) v_DerPreprocessor_52)) (not (= v_DerPreprocessor_50 (select .cse7 |c_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base|))) (= |c_ULTIMATE.start_main_~data~0#1| (select (select .cse7 (select (select .cse8 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select .cse6 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4))) (not (= (select .cse8 |c_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base|) v_DerPreprocessor_48))))) (not .cse4) (not .cse5))))) is different from false [2023-11-06 21:04:59,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [711573283] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 21:04:59,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1109939478] [2023-11-06 21:04:59,061 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2023-11-06 21:04:59,061 INFO L166 IcfgInterpreter]: Building call graph [2023-11-06 21:04:59,065 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-06 21:04:59,070 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-06 21:04:59,071 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-06 21:05:00,550 INFO L197 IcfgInterpreter]: Interpreting procedure node_create with input of size 6 for LOIs [2023-11-06 21:05:00,560 INFO L180 IcfgInterpreter]: Interpretation finished