./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-simple/sll2c_insert_unequal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_5a41d520-7087-4a9c-b401-381a54303b8e/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a41d520-7087-4a9c-b401-381a54303b8e/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a41d520-7087-4a9c-b401-381a54303b8e/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a41d520-7087-4a9c-b401-381a54303b8e/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/list-simple/sll2c_insert_unequal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a41d520-7087-4a9c-b401-381a54303b8e/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a41d520-7087-4a9c-b401-381a54303b8e/bin/utaipan-verify-t7M7D8N6sZ --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 b7b415e0519ab150e9247d3d9d0133f92cfd07c34f9918f9ebd19cf8109bf4e7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:52:17,471 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:52:17,591 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a41d520-7087-4a9c-b401-381a54303b8e/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 04:52:17,600 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:52:17,601 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:52:17,639 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:52:17,640 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:52:17,641 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:52:17,642 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:52:17,647 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:52:17,647 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:52:17,648 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:52:17,649 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:52:17,650 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:52:17,651 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:52:17,651 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:52:17,652 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:52:17,652 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:52:17,654 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:52:17,654 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:52:17,655 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:52:17,655 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:52:17,656 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:52:17,657 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:52:17,657 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:52:17,658 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:52:17,658 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:52:17,659 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:52:17,659 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:52:17,659 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:52:17,661 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:52:17,661 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:52:17,661 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:52:17,662 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:52:17,662 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:52:17,662 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:52:17,662 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:52:17,663 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:52:17,663 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:52:17,663 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:52:17,663 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:52:17,664 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:52:17,664 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:52:17,664 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:52:17,665 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:52:17,665 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_5a41d520-7087-4a9c-b401-381a54303b8e/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a41d520-7087-4a9c-b401-381a54303b8e/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b7b415e0519ab150e9247d3d9d0133f92cfd07c34f9918f9ebd19cf8109bf4e7 [2023-11-19 04:52:17,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:52:18,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:52:18,025 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:52:18,026 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:52:18,029 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:52:18,032 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a41d520-7087-4a9c-b401-381a54303b8e/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/list-simple/sll2c_insert_unequal.i [2023-11-19 04:52:21,078 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:52:21,425 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:52:21,426 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a41d520-7087-4a9c-b401-381a54303b8e/sv-benchmarks/c/list-simple/sll2c_insert_unequal.i [2023-11-19 04:52:21,461 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a41d520-7087-4a9c-b401-381a54303b8e/bin/utaipan-verify-t7M7D8N6sZ/data/a84fdf3e3/9d2c22710c6748639fa3b4faa73ecaa7/FLAGc295daa61 [2023-11-19 04:52:21,483 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a41d520-7087-4a9c-b401-381a54303b8e/bin/utaipan-verify-t7M7D8N6sZ/data/a84fdf3e3/9d2c22710c6748639fa3b4faa73ecaa7 [2023-11-19 04:52:21,489 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:52:21,493 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:52:21,497 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:52:21,497 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:52:21,504 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:52:21,505 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:52:21" (1/1) ... [2023-11-19 04:52:21,507 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7136e1fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:21, skipping insertion in model container [2023-11-19 04:52:21,507 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:52:21" (1/1) ... [2023-11-19 04:52:21,568 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:52:22,009 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_5a41d520-7087-4a9c-b401-381a54303b8e/sv-benchmarks/c/list-simple/sll2c_insert_unequal.i[24872,24885] [2023-11-19 04:52:22,021 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:52:22,034 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:52:22,114 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_5a41d520-7087-4a9c-b401-381a54303b8e/sv-benchmarks/c/list-simple/sll2c_insert_unequal.i[24872,24885] [2023-11-19 04:52:22,115 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:52:22,149 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:52:22,150 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:22 WrapperNode [2023-11-19 04:52:22,150 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:52:22,151 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:52:22,152 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:52:22,152 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:52:22,160 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:22" (1/1) ... [2023-11-19 04:52:22,179 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:22" (1/1) ... [2023-11-19 04:52:22,210 INFO L138 Inliner]: procedures = 127, calls = 48, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 174 [2023-11-19 04:52:22,211 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:52:22,212 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:52:22,212 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:52:22,212 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:52:22,223 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:22" (1/1) ... [2023-11-19 04:52:22,224 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:22" (1/1) ... [2023-11-19 04:52:22,229 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:22" (1/1) ... [2023-11-19 04:52:22,229 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:22" (1/1) ... [2023-11-19 04:52:22,241 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:22" (1/1) ... [2023-11-19 04:52:22,246 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:22" (1/1) ... [2023-11-19 04:52:22,249 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:22" (1/1) ... [2023-11-19 04:52:22,252 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:22" (1/1) ... [2023-11-19 04:52:22,257 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:52:22,258 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:52:22,259 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:52:22,259 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:52:22,260 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:22" (1/1) ... [2023-11-19 04:52:22,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:52:22,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a41d520-7087-4a9c-b401-381a54303b8e/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:52:22,297 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a41d520-7087-4a9c-b401-381a54303b8e/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:52:22,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a41d520-7087-4a9c-b401-381a54303b8e/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:52:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:52:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:52:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2023-11-19 04:52:22,360 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2023-11-19 04:52:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:52:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:52:22,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:52:22,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:52:22,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:52:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:52:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 04:52:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:52:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:52:22,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:52:22,517 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:52:22,519 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:52:22,875 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:52:22,985 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:52:22,985 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-19 04:52:22,990 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:52:22 BoogieIcfgContainer [2023-11-19 04:52:22,990 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:52:22,993 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:52:22,994 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:52:22,997 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:52:22,997 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:52:21" (1/3) ... [2023-11-19 04:52:22,998 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ed9b14a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:52:22, skipping insertion in model container [2023-11-19 04:52:22,998 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:22" (2/3) ... [2023-11-19 04:52:22,999 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ed9b14a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:52:22, skipping insertion in model container [2023-11-19 04:52:22,999 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:52:22" (3/3) ... [2023-11-19 04:52:23,000 INFO L112 eAbstractionObserver]: Analyzing ICFG sll2c_insert_unequal.i [2023-11-19 04:52:23,021 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:52:23,021 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:52:23,074 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:52:23,082 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;@23cd11d2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:52:23,083 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:52:23,088 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 23 states have (on average 1.608695652173913) internal successors, (37), 24 states have internal predecessors, (37), 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) [2023-11-19 04:52:23,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:52:23,099 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:52:23,099 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:52:23,100 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:52:23,106 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:52:23,107 INFO L85 PathProgramCache]: Analyzing trace with hash -165851543, now seen corresponding path program 1 times [2023-11-19 04:52:23,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:52:23,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320806337] [2023-11-19 04:52:23,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:52:23,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:52:23,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:52:23,715 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 04:52:23,716 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:52:23,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320806337] [2023-11-19 04:52:23,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320806337] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:52:23,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:52:23,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:52:23,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724200372] [2023-11-19 04:52:23,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:52:23,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:52:23,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:52:23,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:52:23,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:52:23,755 INFO L87 Difference]: Start difference. First operand has 29 states, 23 states have (on average 1.608695652173913) internal successors, (37), 24 states have internal predecessors, (37), 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) [2023-11-19 04:52:23,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:52:23,853 INFO L93 Difference]: Finished difference Result 55 states and 82 transitions. [2023-11-19 04:52:23,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:52:23,855 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 [2023-11-19 04:52:23,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:52:23,862 INFO L225 Difference]: With dead ends: 55 [2023-11-19 04:52:23,863 INFO L226 Difference]: Without dead ends: 26 [2023-11-19 04:52:23,865 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 [2023-11-19 04:52:23,869 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 1 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:52:23,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 56 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 04:52:23,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2023-11-19 04:52:23,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 24. [2023-11-19 04:52:23,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 19 states have (on average 1.368421052631579) internal successors, (26), 19 states have internal predecessors, (26), 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) [2023-11-19 04:52:23,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 32 transitions. [2023-11-19 04:52:23,910 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 32 transitions. Word has length 16 [2023-11-19 04:52:23,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:52:23,910 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 32 transitions. [2023-11-19 04:52:23,911 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) [2023-11-19 04:52:23,911 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2023-11-19 04:52:23,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 04:52:23,912 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:52:23,912 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:52:23,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:52:23,913 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:52:23,914 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:52:23,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1569845982, now seen corresponding path program 1 times [2023-11-19 04:52:23,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:52:23,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843253696] [2023-11-19 04:52:23,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:52:23,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:52:23,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:52:24,272 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 04:52:24,274 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:52:24,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843253696] [2023-11-19 04:52:24,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843253696] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:52:24,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:52:24,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 04:52:24,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770452372] [2023-11-19 04:52:24,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:52:24,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 04:52:24,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:52:24,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 04:52:24,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 04:52:24,280 INFO L87 Difference]: Start difference. First operand 24 states and 32 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) [2023-11-19 04:52:24,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:52:24,416 INFO L93 Difference]: Finished difference Result 36 states and 49 transitions. [2023-11-19 04:52:24,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 04:52:24,417 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 [2023-11-19 04:52:24,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:52:24,418 INFO L225 Difference]: With dead ends: 36 [2023-11-19 04:52:24,418 INFO L226 Difference]: Without dead ends: 25 [2023-11-19 04:52:24,419 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 [2023-11-19 04:52:24,420 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 20 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:52:24,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 48 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 04:52:24,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2023-11-19 04:52:24,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2023-11-19 04:52:24,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 20 states have (on average 1.35) internal successors, (27), 20 states have internal predecessors, (27), 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) [2023-11-19 04:52:24,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 33 transitions. [2023-11-19 04:52:24,438 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 33 transitions. Word has length 22 [2023-11-19 04:52:24,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:52:24,439 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 33 transitions. [2023-11-19 04:52:24,439 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) [2023-11-19 04:52:24,439 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2023-11-19 04:52:24,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 04:52:24,441 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:52:24,441 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:52:24,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 04:52:24,441 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:52:24,442 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:52:24,442 INFO L85 PathProgramCache]: Analyzing trace with hash 1308238578, now seen corresponding path program 1 times [2023-11-19 04:52:24,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:52:24,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026802117] [2023-11-19 04:52:24,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:52:24,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:52:24,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:52:28,250 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:52:28,250 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:52:28,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026802117] [2023-11-19 04:52:28,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026802117] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 04:52:28,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1594642059] [2023-11-19 04:52:28,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:52:28,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:52:28,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a41d520-7087-4a9c-b401-381a54303b8e/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:52:28,267 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a41d520-7087-4a9c-b401-381a54303b8e/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:52:28,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a41d520-7087-4a9c-b401-381a54303b8e/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 04:52:28,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:52:28,875 INFO L262 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 132 conjunts are in the unsatisfiable core [2023-11-19 04:52:28,893 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:52:28,980 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-19 04:52:29,050 INFO L378 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 [2023-11-19 04:52:29,505 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2023-11-19 04:52:29,651 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-19 04:52:29,652 INFO L378 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 1 case distinctions, treesize of input 16 treesize of output 15 [2023-11-19 04:52:29,718 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-11-19 04:52:29,718 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2023-11-19 04:52:29,848 INFO L378 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 0 case distinctions, treesize of input 30 treesize of output 21 [2023-11-19 04:52:30,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:52:30,048 INFO L378 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 0 case distinctions, treesize of input 34 treesize of output 25 [2023-11-19 04:52:30,253 INFO L378 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 [2023-11-19 04:52:30,261 INFO L378 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 [2023-11-19 04:52:30,269 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 15 treesize of output 7 [2023-11-19 04:52:30,275 INFO L378 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 [2023-11-19 04:52:30,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:52:30,527 INFO L378 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 54 treesize of output 41 [2023-11-19 04:52:30,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:52:30,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:52:30,544 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2023-11-19 04:52:30,566 INFO L349 Elim1Store]: treesize reduction 8, result has 61.9 percent of original size [2023-11-19 04:52:30,567 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 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 [2023-11-19 04:52:30,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:52:30,608 INFO L378 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 [2023-11-19 04:52:31,414 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-11-19 04:52:31,415 INFO L378 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 120 treesize of output 81 [2023-11-19 04:52:31,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:52:31,434 INFO L378 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 104 treesize of output 81 [2023-11-19 04:52:31,452 INFO L378 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 103 treesize of output 59 [2023-11-19 04:52:31,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:52:31,467 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 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 [2023-11-19 04:52:31,492 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2023-11-19 04:52:31,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:52:31,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 04:52:31,521 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2023-11-19 04:52:31,531 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 21 [2023-11-19 04:52:31,647 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:52:31,647 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:52:34,923 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (= |c_ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.base| 0)) (.cse0 (= |c_ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.offset| 0))) (and (or (not .cse0) (not .cse1) (let ((.cse2 (= (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|) 0)) (.cse3 (= (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|) 0))) (and (or (and .cse2 .cse3) (and (or (forall ((v_ArrVal_341 (Array Int Int))) (let ((.cse4 (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_ArrVal_341) |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|))) (or (not (= .cse4 |c_ULTIMATE.start_sll_circular_insert_~head#1.base|)) (not (= .cse4 |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|))))) (forall ((v_DerPreprocessor_96 (Array Int Int)) (v_DerPreprocessor_97 (Array Int Int)) (v_DerPreprocessor_98 (Array Int Int))) (= |c_ULTIMATE.start_main_~data~0#1| (select (select (store |c_#memory_int| |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_97) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_96) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_98) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4))))) (forall ((v_DerPreprocessor_95 (Array Int Int)) (v_DerPreprocessor_91 (Array Int Int)) (v_DerPreprocessor_92 (Array Int Int)) (v_DerPreprocessor_93 (Array Int Int)) (v_DerPreprocessor_94 (Array Int Int)) (v_ArrVal_341 (Array Int Int)) (v_DerPreprocessor_90 (Array Int Int))) (let ((.cse5 (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_ArrVal_341) |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|))) (or (= .cse5 |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) (not (= .cse5 |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|)) (= |c_ULTIMATE.start_main_~data~0#1| (select (select (store (store |c_#memory_int| .cse5 v_DerPreprocessor_94) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_95) (select (select (store (store |c_#memory_$Pointer$.base| .cse5 v_DerPreprocessor_92) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_93) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ 4 (select (select (store (store |c_#memory_$Pointer$.offset| .cse5 v_DerPreprocessor_90) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_91) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|))))))) (or (let ((.cse16 (= |c_ULTIMATE.start_sll_circular_insert_~head#1.base| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|))) (let ((.cse12 (not .cse16))) (and (or (and (forall ((v_DerPreprocessor_84 (Array Int Int)) (v_DerPreprocessor_80 (Array Int Int)) (v_DerPreprocessor_81 (Array Int Int)) (v_DerPreprocessor_82 (Array Int Int)) (v_DerPreprocessor_83 (Array Int Int)) (v_DerPreprocessor_16 (Array Int Int))) (let ((.cse8 (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_16) |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|))) (let ((.cse7 (store (store |c_#memory_$Pointer$.offset| .cse8 v_DerPreprocessor_83) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_84)) (.cse6 (store (store |c_#memory_int| .cse8 v_DerPreprocessor_81) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_82))) (or (= |c_ULTIMATE.start_main_~data~0#1| (select (select .cse6 (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_80) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select .cse7 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4))) (not (= (select .cse7 .cse8) v_DerPreprocessor_83)) (not (= v_DerPreprocessor_81 (select .cse6 .cse8))) (not (= .cse8 |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|)))))) (forall ((v_DerPreprocessor_85 (Array Int Int)) (v_DerPreprocessor_86 (Array Int Int)) (v_DerPreprocessor_87 (Array Int Int)) (v_DerPreprocessor_80 (Array Int Int)) (v_DerPreprocessor_16 (Array Int Int)) (v_DerPreprocessor_88 (Array Int Int)) (v_DerPreprocessor_89 (Array Int Int))) (let ((.cse10 (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_16) |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|))) (let ((.cse9 (store (store |c_#memory_int| .cse10 v_DerPreprocessor_85) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_86)) (.cse11 (store (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_87) .cse10 v_DerPreprocessor_88) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_89))) (or (not (= v_DerPreprocessor_85 (select .cse9 .cse10))) (= |c_ULTIMATE.start_main_~data~0#1| (select (select .cse9 (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_80) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select .cse11 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4))) (not (= v_DerPreprocessor_88 (select .cse11 .cse10))) (not (= .cse10 |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|)) (not (= (select .cse11 |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|) v_DerPreprocessor_87))))))) .cse12) (or (forall ((v_DerPreprocessor_73 (Array Int Int)) (v_DerPreprocessor_74 (Array Int Int)) (v_DerPreprocessor_75 (Array Int Int)) (v_DerPreprocessor_76 (Array Int Int)) (v_DerPreprocessor_77 (Array Int Int)) (v_DerPreprocessor_78 (Array Int Int)) (v_DerPreprocessor_79 (Array Int Int))) (let ((.cse15 (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_73) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_74))) (let ((.cse14 (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| (select .cse15 |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|)) |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|))) (let ((.cse13 (store (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_77) .cse14 v_DerPreprocessor_78) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_79))) (or (not (= v_DerPreprocessor_77 (select .cse13 |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|))) (= |c_ULTIMATE.start_main_~data~0#1| (select (select (store (store |c_#memory_int| .cse14 v_DerPreprocessor_75) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_76) (select (select .cse15 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select .cse13 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4))) (not (= .cse14 |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|))))))) .cse16) (or (and (forall ((v_DerPreprocessor_51 (Array Int Int)) (v_DerPreprocessor_62 (Array Int Int)) (v_DerPreprocessor_52 (Array Int Int)) (v_DerPreprocessor_63 (Array Int Int)) (v_DerPreprocessor_60 (Array Int Int)) (v_DerPreprocessor_61 (Array Int Int)) (v_DerPreprocessor_59 (Array Int Int)) (v_DerPreprocessor_17 (Array Int Int)) (v_DerPreprocessor_58 (Array Int Int))) (let ((.cse20 (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_51) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_52))) (let ((.cse18 (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| (select .cse20 |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|)) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_17) |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|)) |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|))) (let ((.cse17 (store (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_61) .cse18 v_DerPreprocessor_62) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_63)) (.cse19 (store (store (store |c_#memory_int| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_58) .cse18 v_DerPreprocessor_59) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_60))) (or (not (= v_DerPreprocessor_62 (select .cse17 .cse18))) (= |c_ULTIMATE.start_main_~data~0#1| (select (select .cse19 (select (select .cse20 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select .cse17 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4))) (not (= v_DerPreprocessor_59 (select .cse19 .cse18))) (not (= .cse18 |c_ULTIMATE.start_sll_circular_insert_~head#1.base|))))))) (forall ((v_DerPreprocessor_51 (Array Int Int)) (v_DerPreprocessor_52 (Array Int Int)) (v_DerPreprocessor_53 (Array Int Int)) (v_DerPreprocessor_54 (Array Int Int)) (v_prenex_196 (Array Int Int)) (v_DerPreprocessor_55 (Array Int Int)) (v_DerPreprocessor_56 (Array Int Int)) (v_DerPreprocessor_57 (Array Int Int))) (let ((.cse24 (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_51) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_52))) (let ((.cse22 (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| (select .cse24 |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|)) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_prenex_196) |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|)) |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|))) (let ((.cse21 (store (store |c_#memory_$Pointer$.offset| .cse22 v_DerPreprocessor_56) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_57)) (.cse23 (store (store (store |c_#memory_int| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_53) .cse22 v_DerPreprocessor_54) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_55))) (or (not (= (select .cse21 .cse22) v_DerPreprocessor_56)) (= |c_ULTIMATE.start_main_~data~0#1| (select (select .cse23 (select (select .cse24 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ 4 (select (select .cse21 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)))) (not (= .cse22 |c_ULTIMATE.start_sll_circular_insert_~head#1.base|)) (not (= v_DerPreprocessor_54 (select .cse23 .cse22)))))))) (forall ((v_DerPreprocessor_43 (Array Int Int)) (v_DerPreprocessor_15 Int) (v_DerPreprocessor_50 (Array Int Int)) (v_DerPreprocessor_48 (Array Int Int)) (v_DerPreprocessor_49 (Array Int Int)) (v_DerPreprocessor_44 (Array Int Int)) (v_DerPreprocessor_45 (Array Int Int)) (v_DerPreprocessor_46 (Array Int Int)) (v_DerPreprocessor_47 (Array Int Int))) (let ((.cse26 (store (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_43) v_DerPreprocessor_15 v_DerPreprocessor_44) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_45))) (let ((.cse25 (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| (select .cse26 |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|)) v_DerPreprocessor_15 (select .cse26 v_DerPreprocessor_15)) |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|)) |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|))) (or (= v_DerPreprocessor_15 |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) (not (= v_DerPreprocessor_15 .cse25)) (= v_DerPreprocessor_15 |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|) (= |c_ULTIMATE.start_main_~data~0#1| (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_46) .cse25 v_DerPreprocessor_47) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_48) (select (select .cse26 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select (store (store |c_#memory_$Pointer$.offset| .cse25 v_DerPreprocessor_49) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_50) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4))))))) (forall ((v_DerPreprocessor_64 (Array Int Int)) (v_DerPreprocessor_65 (Array Int Int)) (v_DerPreprocessor_70 (Array Int Int)) (v_DerPreprocessor_15 Int) (v_DerPreprocessor_71 (Array Int Int)) (v_DerPreprocessor_72 (Array Int Int)) (v_DerPreprocessor_66 (Array Int Int)) (v_DerPreprocessor_67 (Array Int Int)) (v_DerPreprocessor_68 (Array Int Int)) (v_DerPreprocessor_69 (Array Int Int))) (let ((.cse28 (store (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_64) v_DerPreprocessor_15 v_DerPreprocessor_65) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_66))) (let ((.cse27 (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| (select .cse28 |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|)) v_DerPreprocessor_15 (select .cse28 v_DerPreprocessor_15)) |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|)) |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|))) (or (= v_DerPreprocessor_15 |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) (not (= .cse27 v_DerPreprocessor_15)) (= v_DerPreprocessor_15 |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|) (= |c_ULTIMATE.start_main_~data~0#1| (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_67) .cse27 v_DerPreprocessor_68) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_69) (select (select .cse28 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select (store (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_70) .cse27 v_DerPreprocessor_71) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_72) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4)))))))) .cse16) (or .cse12 (and (forall ((v_DerPreprocessor_20 (Array Int Int)) (v_DerPreprocessor_26 (Array Int Int)) (v_DerPreprocessor_16 (Array Int Int)) (v_DerPreprocessor_27 (Array Int Int)) (v_DerPreprocessor_17 (Array Int Int)) (v_DerPreprocessor_28 (Array Int Int)) (v_DerPreprocessor_29 (Array Int Int)) (v_DerPreprocessor_25 (Array Int Int))) (let ((.cse32 (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_16) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_17) |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|))) (let ((.cse29 (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| .cse32) |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|))) (let ((.cse30 (store (store |c_#memory_int| .cse29 v_DerPreprocessor_25) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_26)) (.cse31 (store (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_27) .cse29 v_DerPreprocessor_28) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_29))) (or (not (= .cse29 |c_ULTIMATE.start_sll_circular_insert_~head#1.base|)) (not (= v_DerPreprocessor_25 (select .cse30 .cse29))) (not (= (select .cse31 .cse29) v_DerPreprocessor_28)) (= |c_ULTIMATE.start_main_~data~0#1| (select (select .cse30 (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_20) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ 4 (select (select .cse31 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)))) (not (= (select .cse31 |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|) v_DerPreprocessor_27)) (not (= .cse32 v_DerPreprocessor_16))))))) (forall ((v_DerPreprocessor_30 (Array Int Int)) (v_DerPreprocessor_31 (Array Int Int)) (v_DerPreprocessor_32 (Array Int Int)) (v_DerPreprocessor_15 Int) (v_DerPreprocessor_16 (Array Int Int)) (v_DerPreprocessor_33 (Array Int Int)) (v_DerPreprocessor_34 (Array Int Int)) (v_DerPreprocessor_35 (Array Int Int)) (v_DerPreprocessor_36 (Array Int Int))) (let ((.cse35 (store (store |c_#memory_$Pointer$.base| v_DerPreprocessor_15 v_DerPreprocessor_30) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_31))) (let ((.cse34 (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_16) v_DerPreprocessor_15 (select .cse35 v_DerPreprocessor_15)) |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|)) |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|))) (let ((.cse33 (store (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_34) .cse34 v_DerPreprocessor_35) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_36))) (or (not (= v_DerPreprocessor_34 (select .cse33 |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|))) (= v_DerPreprocessor_15 |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) (not (= v_DerPreprocessor_15 .cse34)) (= |c_ULTIMATE.start_main_~data~0#1| (select (select (store (store |c_#memory_int| .cse34 v_DerPreprocessor_32) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_33) (select (select .cse35 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select .cse33 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4)))))))) (forall ((v_DerPreprocessor_20 (Array Int Int)) (v_DerPreprocessor_21 (Array Int Int)) (v_DerPreprocessor_16 (Array Int Int)) (v_DerPreprocessor_17 (Array Int Int)) (v_DerPreprocessor_22 (Array Int Int)) (v_DerPreprocessor_23 (Array Int Int)) (v_DerPreprocessor_24 (Array Int Int))) (let ((.cse39 (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_16) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_17) |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|))) (let ((.cse36 (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| .cse39) |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|))) (let ((.cse37 (store (store |c_#memory_int| .cse36 v_DerPreprocessor_21) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_22)) (.cse38 (store (store |c_#memory_$Pointer$.offset| .cse36 v_DerPreprocessor_23) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_24))) (or (not (= .cse36 |c_ULTIMATE.start_sll_circular_insert_~head#1.base|)) (not (= (select .cse37 .cse36) v_DerPreprocessor_21)) (not (= (select .cse38 .cse36) v_DerPreprocessor_23)) (= |c_ULTIMATE.start_main_~data~0#1| (select (select .cse37 (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_20) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select .cse38 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4))) (not (= .cse39 v_DerPreprocessor_16))))))) (forall ((v_DerPreprocessor_40 (Array Int Int)) (v_DerPreprocessor_41 (Array Int Int)) (v_DerPreprocessor_42 (Array Int Int)) (v_DerPreprocessor_15 Int) (v_DerPreprocessor_37 (Array Int Int)) (v_DerPreprocessor_38 (Array Int Int)) (v_DerPreprocessor_16 (Array Int Int)) (v_DerPreprocessor_39 (Array Int Int))) (let ((.cse41 (store (store |c_#memory_$Pointer$.base| v_DerPreprocessor_15 v_DerPreprocessor_37) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_38))) (let ((.cse40 (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_16) v_DerPreprocessor_15 (select .cse41 v_DerPreprocessor_15)) |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|)) |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|))) (or (= v_DerPreprocessor_15 |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) (= |c_ULTIMATE.start_main_~data~0#1| (select (select (store (store |c_#memory_int| .cse40 v_DerPreprocessor_39) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_40) (select (select .cse41 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select (store (store |c_#memory_$Pointer$.offset| .cse40 v_DerPreprocessor_41) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_42) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4))) (not (= v_DerPreprocessor_15 .cse40))))))))))) (forall ((v_ArrVal_341 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_ArrVal_341) |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|) |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|))))) (or (not .cse2) (and (forall ((v_DerPreprocessor_100 (Array Int Int)) (v_DerPreprocessor_99 (Array Int Int))) (let ((.cse42 (store (store |c_#memory_int| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_99) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_100))) (or (not (= (select .cse42 |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|) v_DerPreprocessor_99)) (forall ((v_DerPreprocessor_101 (Array Int Int)) (v_DerPreprocessor_102 (Array Int Int))) (let ((.cse43 (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_101) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_102))) (or (forall ((v_DerPreprocessor_105 (Array Int Int))) (= |c_ULTIMATE.start_main_~data~0#1| (select (select .cse42 (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_105) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select .cse43 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4)))) (not (= v_DerPreprocessor_101 (select .cse43 |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|))))))))) (forall ((v_DerPreprocessor_100 (Array Int Int)) (v_DerPreprocessor_99 (Array Int Int))) (let ((.cse44 (store (store |c_#memory_int| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_99) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_100))) (or (not (= (select .cse44 |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|) v_DerPreprocessor_99)) (forall ((v_DerPreprocessor_101 (Array Int Int)) (v_DerPreprocessor_102 (Array Int Int))) (let ((.cse46 (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_101) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_102))) (or (forall ((v_DerPreprocessor_103 (Array Int Int)) (v_DerPreprocessor_104 (Array Int Int))) (let ((.cse45 (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_103) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_104))) (or (not (= (select .cse45 |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|) v_DerPreprocessor_103)) (= |c_ULTIMATE.start_main_~data~0#1| (select (select .cse44 (select (select .cse45 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select .cse46 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4)))))) (not (= v_DerPreprocessor_101 (select .cse46 |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base|)))))))))) (not .cse3))))) (or (forall ((v_DerPreprocessor_106 (Array Int Int)) (v_ArrVal_355 Int) (v_DerPreprocessor_2 Int) (v_DerPreprocessor_107 (Array Int Int)) (v_DerPreprocessor_108 (Array Int Int))) (= |c_ULTIMATE.start_main_~data~0#1| (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.base|) |c_ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.offset| v_DerPreprocessor_2)) |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_106) (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.base|) |c_ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.offset| v_ArrVal_355)) |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_107) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.base|) |c_ULTIMATE.start_sll_circular_insert_~snd_to_last~0#1.offset| |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.offset|)) |c_ULTIMATE.start_sll_circular_insert_~new_node~0#1.base| v_DerPreprocessor_108) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4)))) (and .cse1 .cse0)))) is different from false [2023-11-19 04:52:50,265 WARN L854 $PredicateComparison]: unable to prove that (and (forall ((|v_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base_18| Int)) (or (forall ((v_ArrVal_369 (Array Int Int)) (v_DerPreprocessor_106 (Array Int Int)) (v_ArrVal_355 Int) (|v_ULTIMATE.start_sll_circular_insert_~new_node~0#1.offset_25| Int) (v_DerPreprocessor_2 Int) (v_ArrVal_368 (Array Int Int)) (v_DerPreprocessor_107 (Array Int Int)) (v_ArrVal_367 (Array Int Int)) (v_DerPreprocessor_108 (Array Int Int))) (let ((.cse3 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base_18| v_ArrVal_367))) (let ((.cse0 (select (select .cse3 |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|))) (or (= .cse0 0) (= |c_ULTIMATE.start_main_~data~0#1| (let ((.cse2 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base_18| v_ArrVal_369))) (let ((.cse1 (select (select .cse2 |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|))) (select (select (store (store |c_#memory_int| .cse1 (store (select (store |c_#memory_int| |v_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base_18| v_ArrVal_368) .cse1) .cse0 v_DerPreprocessor_2)) |v_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base_18| v_DerPreprocessor_106) (select (select (store (store |c_#memory_$Pointer$.base| .cse1 (store (select .cse2 .cse1) .cse0 v_ArrVal_355)) |v_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base_18| v_DerPreprocessor_107) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select (store (store |c_#memory_$Pointer$.offset| .cse1 (store (select .cse3 .cse1) .cse0 |v_ULTIMATE.start_sll_circular_insert_~new_node~0#1.offset_25|)) |v_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base_18| v_DerPreprocessor_108) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4))))) (< 0 |v_ULTIMATE.start_sll_circular_insert_~new_node~0#1.offset_25|))))) (< |c_#StackHeapBarrier| (+ |v_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base_18| 1)) (not (= (select |c_#valid| |v_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base_18|) 0)))) (forall ((|v_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base_18| Int) (v_ArrVal_367 (Array Int Int))) (or (forall ((v_ArrVal_369 (Array Int Int))) (not (= (select (select (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base_18| v_ArrVal_369) |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|) 0))) (not (= (select (select (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base_18| v_ArrVal_367) |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|) 0)) (forall ((v_DerPreprocessor_103 (Array Int Int)) (v_DerPreprocessor_104 (Array Int Int)) (v_DerPreprocessor_101 (Array Int Int)) (v_DerPreprocessor_102 (Array Int Int)) (v_DerPreprocessor_100 (Array Int Int)) (v_DerPreprocessor_99 (Array Int Int))) (let ((.cse4 (store (store |c_#memory_int| |v_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base_18| v_DerPreprocessor_99) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_100)) (.cse6 (store (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base_18| v_DerPreprocessor_103) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_104)) (.cse5 (store (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base_18| v_DerPreprocessor_101) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_102))) (or (not (= (select .cse4 |v_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base_18|) v_DerPreprocessor_99)) (not (= v_DerPreprocessor_101 (select .cse5 |v_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base_18|))) (not (= (select .cse6 |v_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base_18|) v_DerPreprocessor_103)) (= |c_ULTIMATE.start_main_~data~0#1| (select (select .cse4 (select (select .cse6 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select .cse5 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4)))))) (< |c_#StackHeapBarrier| (+ |v_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base_18| 1)) (not (= (select |c_#valid| |v_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base_18|) 0)))) (forall ((|v_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base_18| Int) (v_ArrVal_367 (Array Int Int))) (or (not (= (select (select (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base_18| v_ArrVal_367) |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|) 0)) (forall ((v_ArrVal_369 (Array Int Int))) (let ((.cse7 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base_18| v_ArrVal_369))) (or (not (= (select (select .cse7 |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|) 0)) (forall ((v_DerPreprocessor_100 (Array Int Int)) (v_DerPreprocessor_99 (Array Int Int))) (let ((.cse8 (store (store |c_#memory_int| |v_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base_18| v_DerPreprocessor_99) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_100))) (or (not (= (select .cse8 |v_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base_18|) v_DerPreprocessor_99)) (forall ((v_DerPreprocessor_101 (Array Int Int)) (v_DerPreprocessor_102 (Array Int Int))) (let ((.cse9 (store (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base_18| v_DerPreprocessor_101) |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_102))) (or (not (= v_DerPreprocessor_101 (select .cse9 |v_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base_18|))) (forall ((v_DerPreprocessor_105 (Array Int Int))) (= |c_ULTIMATE.start_main_~data~0#1| (select (select .cse8 (select (select (store .cse7 |c_ULTIMATE.start_sll_circular_insert_~head#1.base| v_DerPreprocessor_105) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select .cse9 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4))))))))))))) (< |c_#StackHeapBarrier| (+ |v_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base_18| 1)) (not (= (select |c_#valid| |v_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base_18|) 0)))) (forall ((|v_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base_18| Int)) (or (< |c_#StackHeapBarrier| (+ |v_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base_18| 1)) (forall ((v_ArrVal_369 (Array Int Int)) (v_DerPreprocessor_106 (Array Int Int)) (v_ArrVal_355 Int) (|v_ULTIMATE.start_sll_circular_insert_~new_node~0#1.offset_25| Int) (v_DerPreprocessor_2 Int) (v_ArrVal_368 (Array Int Int)) (v_DerPreprocessor_107 (Array Int Int)) (v_ArrVal_367 (Array Int Int)) (v_DerPreprocessor_108 (Array Int Int))) (let ((.cse12 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base_18| v_ArrVal_369))) (let ((.cse10 (select (select .cse12 |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|))) (or (= .cse10 0) (= |c_ULTIMATE.start_main_~data~0#1| (let ((.cse13 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base_18| v_ArrVal_367))) (let ((.cse11 (select (select .cse13 |c_ULTIMATE.start_sll_circular_insert_~head#1.base|) |c_ULTIMATE.start_sll_circular_insert_~head#1.offset|))) (select (select (store (store |c_#memory_int| .cse10 (store (select (store |c_#memory_int| |v_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base_18| v_ArrVal_368) .cse10) .cse11 v_DerPreprocessor_2)) |v_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base_18| v_DerPreprocessor_106) (select (select (store (store |c_#memory_$Pointer$.base| .cse10 (store (select .cse12 .cse10) .cse11 v_ArrVal_355)) |v_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base_18| v_DerPreprocessor_107) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select (store (store |c_#memory_$Pointer$.offset| .cse10 (store (select .cse13 .cse10) .cse11 |v_ULTIMATE.start_sll_circular_insert_~new_node~0#1.offset_25|)) |v_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base_18| v_DerPreprocessor_108) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4))))) (< 0 |v_ULTIMATE.start_sll_circular_insert_~new_node~0#1.offset_25|))))) (not (= (select |c_#valid| |v_ULTIMATE.start_sll_circular_insert_#t~ret9#1.base_18|) 0))))) is different from false [2023-11-19 04:52:50,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1594642059] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 04:52:50,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [852850269] [2023-11-19 04:52:50,301 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2023-11-19 04:52:50,302 INFO L166 IcfgInterpreter]: Building call graph [2023-11-19 04:52:50,306 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-19 04:52:50,312 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-19 04:52:50,312 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-19 04:52:51,871 INFO L197 IcfgInterpreter]: Interpreting procedure node_create with input of size 8 for LOIs [2023-11-19 04:52:51,882 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-19 04:53:15,965 WARN L293 SmtUtils]: Spent 5.99s on a formula simplification that was a NOOP. DAG size: 170 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)