./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908b406b-2f25-4229-9f76-8ef8d7728b02/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908b406b-2f25-4229-9f76-8ef8d7728b02/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908b406b-2f25-4229-9f76-8ef8d7728b02/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908b406b-2f25-4229-9f76-8ef8d7728b02/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908b406b-2f25-4229-9f76-8ef8d7728b02/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908b406b-2f25-4229-9f76-8ef8d7728b02/bin/utaipan-verify-sOmjnqqW8E --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 816e37c4bcf3aac0429d508c13e4e6eeab848e29c3869a32879e05a2b79a73a3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:38:11,491 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:38:11,576 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908b406b-2f25-4229-9f76-8ef8d7728b02/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 05:38:11,581 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:38:11,581 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:38:11,603 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:38:11,603 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:38:11,604 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:38:11,604 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:38:11,604 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:38:11,604 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:38:11,604 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:38:11,605 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:38:11,605 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:38:11,605 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:38:11,605 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:38:11,605 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:38:11,605 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:38:11,606 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:38:11,606 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:38:11,606 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:38:11,606 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:38:11,606 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:38:11,607 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:38:11,607 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:38:11,607 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:38:11,607 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:38:11,607 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:38:11,607 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:38:11,607 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:38:11,607 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:38:11,608 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:38:11,608 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:38:11,608 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:38:11,608 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:38:11,608 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:38:11,608 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:38:11,608 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:38:11,608 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:38:11,608 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:38:11,608 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:38:11,608 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:38:11,609 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:38:11,609 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:38:11,609 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:38:11,609 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:38:11,609 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:38:11,609 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908b406b-2f25-4229-9f76-8ef8d7728b02/bin/utaipan-verify-sOmjnqqW8E Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! 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 -> 816e37c4bcf3aac0429d508c13e4e6eeab848e29c3869a32879e05a2b79a73a3 [2024-11-14 05:38:11,888 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:38:11,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:38:11,902 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:38:11,904 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:38:11,905 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:38:11,906 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908b406b-2f25-4229-9f76-8ef8d7728b02/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-2.i Unable to find full path for "g++" [2024-11-14 05:38:13,715 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:38:14,171 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:38:14,173 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908b406b-2f25-4229-9f76-8ef8d7728b02/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-2.i [2024-11-14 05:38:14,198 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908b406b-2f25-4229-9f76-8ef8d7728b02/bin/utaipan-verify-sOmjnqqW8E/data/ebfc56686/89989152d78946e9923d1539d2525416/FLAGce9654ae1 [2024-11-14 05:38:14,282 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908b406b-2f25-4229-9f76-8ef8d7728b02/bin/utaipan-verify-sOmjnqqW8E/data/ebfc56686/89989152d78946e9923d1539d2525416 [2024-11-14 05:38:14,287 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:38:14,289 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:38:14,290 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:38:14,290 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:38:14,294 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:38:14,296 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:38:14" (1/1) ... [2024-11-14 05:38:14,296 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25b33d4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:14, skipping insertion in model container [2024-11-14 05:38:14,297 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:38:14" (1/1) ... [2024-11-14 05:38:14,362 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:38:14,798 WARN L250 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_908b406b-2f25-4229-9f76-8ef8d7728b02/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-2.i[37019,37032] [2024-11-14 05:38:14,920 WARN L250 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_908b406b-2f25-4229-9f76-8ef8d7728b02/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-2.i[47352,47365] [2024-11-14 05:38:14,936 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:38:14,952 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:38:15,009 WARN L250 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_908b406b-2f25-4229-9f76-8ef8d7728b02/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-2.i[37019,37032] [2024-11-14 05:38:15,096 WARN L250 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_908b406b-2f25-4229-9f76-8ef8d7728b02/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test2-2.i[47352,47365] [2024-11-14 05:38:15,107 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:38:15,159 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:38:15,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:15 WrapperNode [2024-11-14 05:38:15,160 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:38:15,164 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:38:15,164 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:38:15,164 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:38:15,169 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:15" (1/1) ... [2024-11-14 05:38:15,192 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:15" (1/1) ... [2024-11-14 05:38:15,268 INFO L138 Inliner]: procedures = 208, calls = 278, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1433 [2024-11-14 05:38:15,268 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:38:15,269 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:38:15,269 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:38:15,269 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:38:15,277 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:15" (1/1) ... [2024-11-14 05:38:15,277 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:15" (1/1) ... [2024-11-14 05:38:15,287 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:15" (1/1) ... [2024-11-14 05:38:15,287 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:15" (1/1) ... [2024-11-14 05:38:15,325 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:15" (1/1) ... [2024-11-14 05:38:15,338 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:15" (1/1) ... [2024-11-14 05:38:15,342 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:15" (1/1) ... [2024-11-14 05:38:15,346 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:15" (1/1) ... [2024-11-14 05:38:15,355 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:38:15,356 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:38:15,356 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:38:15,356 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:38:15,357 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:15" (1/1) ... [2024-11-14 05:38:15,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:38:15,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908b406b-2f25-4229-9f76-8ef8d7728b02/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:38:15,421 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908b406b-2f25-4229-9f76-8ef8d7728b02/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:38:15,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908b406b-2f25-4229-9f76-8ef8d7728b02/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:38:15,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-14 05:38:15,461 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-14 05:38:15,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 05:38:15,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-14 05:38:15,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 05:38:15,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 05:38:15,462 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-14 05:38:15,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-14 05:38:15,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 05:38:15,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-14 05:38:15,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:38:15,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-14 05:38:15,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:38:15,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:38:15,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:38:15,734 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:38:15,736 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:38:17,677 INFO L? ?]: Removed 322 outVars from TransFormulas that were not future-live. [2024-11-14 05:38:17,677 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:38:19,352 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:38:19,353 INFO L316 CfgBuilder]: Removed 63 assume(true) statements. [2024-11-14 05:38:19,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:38:19 BoogieIcfgContainer [2024-11-14 05:38:19,355 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:38:19,357 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:38:19,358 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:38:19,363 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:38:19,363 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:38:14" (1/3) ... [2024-11-14 05:38:19,364 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7889e6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:38:19, skipping insertion in model container [2024-11-14 05:38:19,364 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:38:15" (2/3) ... [2024-11-14 05:38:19,364 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7889e6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:38:19, skipping insertion in model container [2024-11-14 05:38:19,365 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:38:19" (3/3) ... [2024-11-14 05:38:19,366 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test2-2.i [2024-11-14 05:38:19,382 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:38:19,384 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_JEN_test2-2.i that has 3 procedures, 131 locations, 1 initial locations, 36 loop locations, and 2 error locations. [2024-11-14 05:38:19,442 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:38:19,459 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=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;@32df9ed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:38:19,461 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-14 05:38:19,465 INFO L276 IsEmpty]: Start isEmpty. Operand has 131 states, 118 states have (on average 1.7457627118644068) internal successors, (206), 125 states have internal predecessors, (206), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-14 05:38:19,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-14 05:38:19,473 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:38:19,474 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:38:19,474 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:38:19,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:38:19,479 INFO L85 PathProgramCache]: Analyzing trace with hash 356786099, now seen corresponding path program 1 times [2024-11-14 05:38:19,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:38:19,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466794960] [2024-11-14 05:38:19,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:38:19,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:38:19,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:38:19,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:38:19,666 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:38:19,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466794960] [2024-11-14 05:38:19,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466794960] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:38:19,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:38:19,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:38:19,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204027731] [2024-11-14 05:38:19,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:38:19,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 05:38:19,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:38:19,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 05:38:19,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 05:38:19,705 INFO L87 Difference]: Start difference. First operand has 131 states, 118 states have (on average 1.7457627118644068) internal successors, (206), 125 states have internal predecessors, (206), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:38:21,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:38:23,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:38:25,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:38:27,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:38:28,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:38:28,120 INFO L93 Difference]: Finished difference Result 261 states and 448 transitions. [2024-11-14 05:38:28,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 05:38:28,125 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-14 05:38:28,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:38:28,133 INFO L225 Difference]: With dead ends: 261 [2024-11-14 05:38:28,133 INFO L226 Difference]: Without dead ends: 114 [2024-11-14 05:38:28,136 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 05:38:28,138 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2024-11-14 05:38:28,139 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 131 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 4 Unknown, 0 Unchecked, 8.4s Time] [2024-11-14 05:38:28,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-14 05:38:28,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2024-11-14 05:38:28,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 102 states have (on average 1.2058823529411764) internal successors, (123), 108 states have internal predecessors, (123), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-14 05:38:28,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 139 transitions. [2024-11-14 05:38:28,175 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 139 transitions. Word has length 8 [2024-11-14 05:38:28,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:38:28,176 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 139 transitions. [2024-11-14 05:38:28,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:38:28,176 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 139 transitions. [2024-11-14 05:38:28,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-14 05:38:28,178 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:38:28,178 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:38:28,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 05:38:28,178 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:38:28,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:38:28,179 INFO L85 PathProgramCache]: Analyzing trace with hash -329789507, now seen corresponding path program 1 times [2024-11-14 05:38:28,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:38:28,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220002984] [2024-11-14 05:38:28,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:38:28,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:38:28,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:38:28,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:38:28,887 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:38:28,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220002984] [2024-11-14 05:38:28,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220002984] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:38:28,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:38:28,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:38:28,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442797177] [2024-11-14 05:38:28,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:38:28,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:38:28,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:38:28,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:38:28,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:38:28,890 INFO L87 Difference]: Start difference. First operand 114 states and 139 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:38:30,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:38:32,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:38:34,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:38:37,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:38:39,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:38:41,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:38:43,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:38:45,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:38:47,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:38:50,990 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:38:53,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:38:55,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:38:57,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:38:57,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:38:57,959 INFO L93 Difference]: Finished difference Result 236 states and 296 transitions. [2024-11-14 05:38:57,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 05:38:57,963 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2024-11-14 05:38:57,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:38:57,965 INFO L225 Difference]: With dead ends: 236 [2024-11-14 05:38:57,965 INFO L226 Difference]: Without dead ends: 179 [2024-11-14 05:38:57,966 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:38:57,967 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 70 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 2 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:38:57,967 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 311 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 97 Invalid, 13 Unknown, 0 Unchecked, 29.0s Time] [2024-11-14 05:38:57,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-11-14 05:38:58,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 116. [2024-11-14 05:38:58,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 104 states have (on average 1.2019230769230769) internal successors, (125), 110 states have internal predecessors, (125), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-14 05:38:58,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 141 transitions. [2024-11-14 05:38:58,014 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 141 transitions. Word has length 22 [2024-11-14 05:38:58,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:38:58,014 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 141 transitions. [2024-11-14 05:38:58,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:38:58,014 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 141 transitions. [2024-11-14 05:38:58,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-14 05:38:58,016 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:38:58,016 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:38:58,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 05:38:58,016 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:38:58,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:38:58,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1631521021, now seen corresponding path program 1 times [2024-11-14 05:38:58,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:38:58,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628745141] [2024-11-14 05:38:58,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:38:58,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:38:58,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:38:58,453 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 05:38:58,454 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:38:58,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628745141] [2024-11-14 05:38:58,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628745141] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:38:58,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:38:58,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:38:58,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651956125] [2024-11-14 05:38:58,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:38:58,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:38:58,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:38:58,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:38:58,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:38:58,458 INFO L87 Difference]: Start difference. First operand 116 states and 141 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 2 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:39:00,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:39:02,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:39:04,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:39:06,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:39:08,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:39:10,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:39:12,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:39:14,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:39:16,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:39:18,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:39:20,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:39:20,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:39:20,478 INFO L93 Difference]: Finished difference Result 277 states and 341 transitions. [2024-11-14 05:39:20,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:39:20,481 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 2 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2024-11-14 05:39:20,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:39:20,483 INFO L225 Difference]: With dead ends: 277 [2024-11-14 05:39:20,483 INFO L226 Difference]: Without dead ends: 164 [2024-11-14 05:39:20,483 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:39:20,484 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 38 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 2 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:39:20,484 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 241 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 46 Invalid, 9 Unknown, 0 Unchecked, 22.0s Time] [2024-11-14 05:39:20,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2024-11-14 05:39:20,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 162. [2024-11-14 05:39:20,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 145 states have (on average 1.2) internal successors, (174), 156 states have internal predecessors, (174), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-14 05:39:20,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 200 transitions. [2024-11-14 05:39:20,499 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 200 transitions. Word has length 50 [2024-11-14 05:39:20,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:39:20,499 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 200 transitions. [2024-11-14 05:39:20,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 2 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:39:20,499 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 200 transitions. [2024-11-14 05:39:20,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-14 05:39:20,501 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:39:20,501 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:39:20,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 05:39:20,502 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:39:20,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:39:20,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1914525584, now seen corresponding path program 1 times [2024-11-14 05:39:20,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:39:20,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575480734] [2024-11-14 05:39:20,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:39:20,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:39:20,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:39:21,114 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-14 05:39:21,116 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:39:21,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575480734] [2024-11-14 05:39:21,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575480734] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:39:21,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:39:21,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 05:39:21,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868935030] [2024-11-14 05:39:21,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:39:21,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:39:21,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:39:21,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:39:21,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:39:21,120 INFO L87 Difference]: Start difference. First operand 162 states and 200 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-14 05:39:23,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:39:25,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:39:27,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:39:29,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:39:31,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:39:33,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:39:33,206 INFO L93 Difference]: Finished difference Result 275 states and 338 transitions. [2024-11-14 05:39:33,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 05:39:33,207 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 63 [2024-11-14 05:39:33,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:39:33,208 INFO L225 Difference]: With dead ends: 275 [2024-11-14 05:39:33,208 INFO L226 Difference]: Without dead ends: 130 [2024-11-14 05:39:33,209 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:39:33,210 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 172 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 13 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:39:33,210 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 154 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 55 Invalid, 5 Unknown, 0 Unchecked, 12.1s Time] [2024-11-14 05:39:33,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2024-11-14 05:39:33,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2024-11-14 05:39:33,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 118 states have (on average 1.1694915254237288) internal successors, (138), 124 states have internal predecessors, (138), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-14 05:39:33,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 154 transitions. [2024-11-14 05:39:33,232 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 154 transitions. Word has length 63 [2024-11-14 05:39:33,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:39:33,233 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 154 transitions. [2024-11-14 05:39:33,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-14 05:39:33,233 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 154 transitions. [2024-11-14 05:39:33,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-14 05:39:33,236 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:39:33,236 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:39:33,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-14 05:39:33,237 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:39:33,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:39:33,237 INFO L85 PathProgramCache]: Analyzing trace with hash 852851021, now seen corresponding path program 1 times [2024-11-14 05:39:33,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:39:33,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903939424] [2024-11-14 05:39:33,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:39:33,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:39:34,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:39:35,229 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-14 05:39:35,229 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:39:35,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903939424] [2024-11-14 05:39:35,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903939424] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:39:35,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1423947336] [2024-11-14 05:39:35,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:39:35,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:39:35,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908b406b-2f25-4229-9f76-8ef8d7728b02/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:39:35,232 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908b406b-2f25-4229-9f76-8ef8d7728b02/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:39:35,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908b406b-2f25-4229-9f76-8ef8d7728b02/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 05:40:12,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:40:12,644 INFO L255 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-14 05:40:12,650 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:40:12,681 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-14 05:40:12,681 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:40:12,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1423947336] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:40:12,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 05:40:12,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2024-11-14 05:40:12,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025079430] [2024-11-14 05:40:12,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:40:12,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:40:12,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:40:12,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:40:12,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:40:12,683 INFO L87 Difference]: Start difference. First operand 130 states and 154 transitions. Second operand has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-14 05:40:14,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:40:16,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:40:18,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:40:20,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:40:21,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:40:24,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:40:26,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:40:28,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:40:30,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:40:31,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:40:32,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:40:32,550 INFO L93 Difference]: Finished difference Result 242 states and 291 transitions. [2024-11-14 05:40:32,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 05:40:32,554 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 71 [2024-11-14 05:40:32,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:40:32,555 INFO L225 Difference]: With dead ends: 242 [2024-11-14 05:40:32,555 INFO L226 Difference]: Without dead ends: 132 [2024-11-14 05:40:32,555 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:40:32,556 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 0 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 1 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.8s IncrementalHoareTripleChecker+Time [2024-11-14 05:40:32,556 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 344 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 61 Invalid, 8 Unknown, 0 Unchecked, 19.8s Time] [2024-11-14 05:40:32,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-11-14 05:40:32,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2024-11-14 05:40:32,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 119 states have (on average 1.1764705882352942) internal successors, (140), 126 states have internal predecessors, (140), 8 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (9), 4 states have call predecessors, (9), 8 states have call successors, (9) [2024-11-14 05:40:32,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 157 transitions. [2024-11-14 05:40:32,580 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 157 transitions. Word has length 71 [2024-11-14 05:40:32,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:40:32,581 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 157 transitions. [2024-11-14 05:40:32,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-14 05:40:32,581 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 157 transitions. [2024-11-14 05:40:32,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-14 05:40:32,582 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:40:32,582 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:40:32,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908b406b-2f25-4229-9f76-8ef8d7728b02/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-14 05:40:32,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908b406b-2f25-4229-9f76-8ef8d7728b02/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:40:32,783 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:40:32,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:40:32,783 INFO L85 PathProgramCache]: Analyzing trace with hash -855788909, now seen corresponding path program 1 times [2024-11-14 05:40:32,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:40:32,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113860370] [2024-11-14 05:40:32,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:40:32,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:40:33,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:40:34,361 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 05:40:34,361 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:40:34,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113860370] [2024-11-14 05:40:34,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113860370] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:40:34,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [717950340] [2024-11-14 05:40:34,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:40:34,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:40:34,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908b406b-2f25-4229-9f76-8ef8d7728b02/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:40:34,364 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908b406b-2f25-4229-9f76-8ef8d7728b02/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:40:34,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908b406b-2f25-4229-9f76-8ef8d7728b02/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-14 05:40:53,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:40:53,246 INFO L255 TraceCheckSpWp]: Trace formula consists of 590 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-14 05:40:53,249 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:40:53,286 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-14 05:40:53,286 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:40:53,412 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 05:40:53,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [717950340] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:40:53,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [836945813] [2024-11-14 05:40:53,447 INFO L159 IcfgInterpreter]: Started Sifa with 67 locations of interest [2024-11-14 05:40:53,447 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 05:40:53,451 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 05:40:53,456 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 05:40:53,457 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 05:41:15,981 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 396 for LOIs [2024-11-14 05:41:21,735 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 05:42:00,787 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse10 (= |c_#Ultimate.C_memset_#ptr.offset| 0)) (.cse13 (= 44 |c_#Ultimate.C_memset_#amount|)) (.cse12 (= |c_#Ultimate.C_memset_#value| 0)) (.cse52 (= |c_#Ultimate.C_memset_#amount| 384))) (and (let ((.cse0 (= |c_#memory_$Pointer$.base| |c_old(#memory_$Pointer$.base)|)) (.cse9 (= |c_old(#memory_int)| |c_#memory_int|)) (.cse11 (= |c_#memory_$Pointer$.offset| |c_old(#memory_$Pointer$.offset)|))) (or (and .cse0 (exists ((|v_#memory_int_51| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_12| Int) (|v_#memory_$Pointer$.offset_404| (Array Int (Array Int Int))) (|v_#valid_76| (Array Int Int)) (|v_#memory_$Pointer$.offset_405| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_405| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_404| (Array Int (Array Int Int))) (|v_#length_33| (Array Int Int)) (|v_#memory_$Pointer$.base_48| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_~_ha_hashv~0#1_BEFORE_CALL_12| Int) (|v_#memory_$Pointer$.offset_48| (Array Int (Array Int Int))) (|v_#memory_int_484| (Array Int (Array Int Int))) (|v_#memory_int_145| (Array Int (Array Int Int))) (|v_#memory_int_486| (Array Int (Array Int Int)))) (let ((.cse2 (select |v_#memory_int_51| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_12|)) (.cse1 (select (select |c_old(#memory_$Pointer$.base)| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_12|) 8)) (.cse7 (select |v_#memory_$Pointer$.offset_48| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_12|)) (.cse5 (select |v_#memory_$Pointer$.offset_405| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_12|)) (.cse3 (select |v_#memory_$Pointer$.base_405| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_12|)) (.cse8 (select |v_#memory_$Pointer$.base_48| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_12|)) (.cse4 (select |v_#memory_int_145| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_12|)) (.cse6 (select |v_#memory_int_486| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_12|))) (and (= .cse1 |c_#Ultimate.C_memset_#ptr.base|) (= (store |v_#length_33| .cse1 44) |c_#length|) (= (select |v_#valid_76| .cse1) 0) (= |v_#memory_int_51| (store |v_#memory_int_484| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_12| (store (store (select |v_#memory_int_484| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_12|) 36 |v_ULTIMATE.start_main_~_ha_hashv~0#1_BEFORE_CALL_12|) 28 (select .cse2 28)))) (= (store |v_#memory_$Pointer$.base_405| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_12| (store (store (store .cse3 16 0) 12 0) 8 .cse1)) |c_old(#memory_$Pointer$.base)|) (= (store |v_#memory_int_51| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_12| (store (store .cse2 32 4) 16 (select .cse4 16))) |v_#memory_int_145|) (<= (+ .cse1 1) |c_#StackHeapBarrier|) (= (store |v_#memory_$Pointer$.offset_405| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_12| (store (store (store .cse5 16 0) 12 0) 8 0)) |c_old(#memory_$Pointer$.offset)|) (not (= .cse1 0)) (= |c_old(#memory_int)| (store |v_#memory_int_486| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_12| (store .cse6 8 (select (select |c_old(#memory_int)| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_12|) 8)))) (= (store |v_#memory_$Pointer$.offset_404| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_12| (store (select |v_#memory_$Pointer$.offset_404| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_12|) 36 (select .cse7 36))) |v_#memory_$Pointer$.offset_48|) (= |c_#valid| (store |v_#valid_76| .cse1 1)) (= (store |v_#memory_$Pointer$.offset_48| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_12| (store (store .cse7 28 0) 32 (select .cse5 32))) |v_#memory_$Pointer$.offset_405|) (= |v_#memory_$Pointer$.base_405| (store |v_#memory_$Pointer$.base_48| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_12| (store (store .cse8 28 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_12|) 32 (select .cse3 32)))) (= (store |v_#memory_$Pointer$.base_404| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_12| (store (select |v_#memory_$Pointer$.base_404| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_12|) 36 (select .cse8 36))) |v_#memory_$Pointer$.base_48|) (= (store |v_#memory_int_145| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_12| (store .cse4 12 (select .cse6 12))) |v_#memory_int_486|)))) .cse9 .cse10 .cse11 .cse12 .cse13) (and .cse0 (exists ((|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11| Int) (|v_#valid_77| (Array Int Int)) (|v_#memory_$Pointer$.base_407| (Array Int (Array Int Int))) (|v_#memory_int_147| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_407| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~mem54#1.base_18| Int) (|v_#length_34| (Array Int Int)) (|v_ULTIMATE.start_main_~_ha_hashv~0#1_BEFORE_CALL_11| Int) (|v_#memory_$Pointer$.base_136| (Array Int (Array Int Int))) (|v_#memory_int_487| (Array Int (Array Int Int))) (|v_#memory_int_146| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_135| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_134| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_134| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_135| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc61#1.base_6| Int) (|v_#memory_$Pointer$.offset_136| (Array Int (Array Int Int)))) (let ((.cse42 (select (select |v_#memory_$Pointer$.base_407| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|) 8)) (.cse43 (+ (select (select |v_#memory_$Pointer$.offset_407| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|) 8) 16)) (.cse45 (select (select |v_#memory_$Pointer$.base_135| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|) 8)) (.cse46 (select (select |v_#memory_$Pointer$.offset_136| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|) 8))) (let ((.cse49 (store |v_#memory_$Pointer$.offset_136| .cse45 (store (select |v_#memory_$Pointer$.offset_136| .cse45) .cse46 0))) (.cse39 (store |v_#memory_$Pointer$.base_135| .cse45 (store (select |v_#memory_$Pointer$.base_135| .cse45) .cse46 |v_ULTIMATE.start_main_#t~malloc61#1.base_6|))) (.cse36 (store |v_#memory_$Pointer$.offset_407| .cse42 (store (select |v_#memory_$Pointer$.offset_407| .cse42) .cse43 8))) (.cse40 (store |v_#memory_$Pointer$.base_407| .cse42 (store (select |v_#memory_$Pointer$.base_407| .cse42) .cse43 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|))) (.cse50 (select (select |c_old(#memory_$Pointer$.base)| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|) 8)) (.cse51 (select (select |c_old(#memory_$Pointer$.offset)| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|) 8))) (let ((.cse35 (select (select |c_old(#memory_$Pointer$.base)| .cse50) .cse51)) (.cse41 (select (select |c_old(#memory_$Pointer$.offset)| .cse50) .cse51)) (.cse16 (select (select |v_#memory_$Pointer$.base_136| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|) 8)) (.cse17 (+ (select (select |v_#memory_$Pointer$.offset_134| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|) 8) 20)) (.cse33 (select (select |v_#memory_$Pointer$.base_134| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|) 8)) (.cse34 (+ (select (select |v_#memory_$Pointer$.offset_135| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|) 8) 8)) (.cse37 (select (select .cse40 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|) 8)) (.cse38 (+ 4 (select (select .cse36 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|) 8))) (.cse14 (select (select .cse39 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|) 8)) (.cse15 (+ 40 (select (select .cse49 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|) 8)))) (and (= |c_#valid| (store |v_#valid_77| |v_ULTIMATE.start_main_#t~malloc61#1.base_6| 1)) (= (store |v_#memory_int_147| .cse14 (store (select |v_#memory_int_147| .cse14) .cse15 2685476833)) |c_old(#memory_int)|) (= (select |v_#valid_77| |v_ULTIMATE.start_main_#t~malloc61#1.base_6|) 0) (= |v_#memory_$Pointer$.base_135| (store |v_#memory_$Pointer$.base_136| .cse16 (store (select |v_#memory_$Pointer$.base_136| .cse16) .cse17 (select (select |v_#memory_$Pointer$.base_135| .cse16) .cse17)))) (let ((.cse18 (exists ((|v_#Ultimate.C_memset_#t~loopctr274_26| Int)) (and (<= 44 (mod |v_#Ultimate.C_memset_#t~loopctr274_26| 4294967296)) (<= 0 |v_#Ultimate.C_memset_#t~loopctr274_26|)))) (.cse22 (exists ((|v_#memory_$Pointer$.offset_404| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_405| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_48| (Array Int (Array Int Int)))) (let ((.cse32 (select |v_#memory_$Pointer$.offset_48| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|))) (and (= (store |v_#memory_$Pointer$.offset_404| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11| (store (select |v_#memory_$Pointer$.offset_404| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|) 36 (select .cse32 36))) |v_#memory_$Pointer$.offset_48|) (= (store |v_#memory_$Pointer$.offset_48| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11| (store (store .cse32 28 0) 32 (select (select |v_#memory_$Pointer$.offset_405| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|) 32))) |v_#memory_$Pointer$.offset_405|)))))) (or (and .cse18 (exists ((|v_#valid_76| (Array Int Int)) (|v_#memory_$Pointer$.base_405| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_404| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_14| (Array Int (Array Int Int))) (|v_#length_33| (Array Int Int)) (|v_#memory_$Pointer$.base_48| (Array Int (Array Int Int)))) (let ((.cse20 (select |v_#memory_$Pointer$.base_405| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|)) (.cse19 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_14| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|) 8)) (.cse21 (select |v_#memory_$Pointer$.base_48| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|))) (and (not (= .cse19 0)) (<= (+ .cse19 1) |c_#StackHeapBarrier|) (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_14| (store |v_#memory_$Pointer$.base_405| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11| (store (store (store .cse20 16 0) 12 0) 8 .cse19))) (= (store |v_#valid_76| .cse19 1) |v_#valid_77|) (= |v_#memory_$Pointer$.base_405| (store |v_#memory_$Pointer$.base_48| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11| (store (store .cse21 28 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|) 32 (select .cse20 32)))) (= (select |v_#valid_76| .cse19) 0) (= (store |v_#length_33| .cse19 44) |v_#length_34|) (= .cse19 |v_ULTIMATE.start_main_#t~mem54#1.base_18|) (= (store |v_#memory_$Pointer$.base_404| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11| (store (select |v_#memory_$Pointer$.base_404| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|) 36 (select .cse21 36))) |v_#memory_$Pointer$.base_48|)))) .cse22 (exists ((|v_#memory_int_51| (Array Int (Array Int Int))) (|v_#memory_int_BEFORE_CALL_20| (Array Int (Array Int Int))) (|v_#memory_int_484| (Array Int (Array Int Int))) (|v_#memory_int_145| (Array Int (Array Int Int))) (|v_#memory_int_486| (Array Int (Array Int Int)))) (let ((.cse24 (select |v_#memory_int_486| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|)) (.cse25 (select |v_#memory_int_51| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|)) (.cse23 (select |v_#memory_int_145| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|))) (and (= (store |v_#memory_int_145| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11| (store .cse23 12 (select .cse24 12))) |v_#memory_int_486|) (= |v_#memory_int_51| (store |v_#memory_int_484| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11| (store (store (select |v_#memory_int_484| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|) 36 |v_ULTIMATE.start_main_~_ha_hashv~0#1_BEFORE_CALL_11|) 28 (select .cse25 28)))) (= (store |v_#memory_int_486| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11| (store .cse24 8 (select (select |v_#memory_int_BEFORE_CALL_20| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|) 8))) |v_#memory_int_BEFORE_CALL_20|) (= (store |v_#memory_int_51| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11| (store (store .cse25 32 4) 16 (select .cse23 16))) |v_#memory_int_145|))))) (and (exists ((|v_#valid_76| (Array Int Int)) (|v_#memory_$Pointer$.base_405| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_404| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_13| (Array Int (Array Int Int))) (|v_#length_33| (Array Int Int)) (|v_#memory_$Pointer$.base_48| (Array Int (Array Int Int)))) (let ((.cse27 (select |v_#memory_$Pointer$.base_405| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|)) (.cse28 (select |v_#memory_$Pointer$.base_48| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|)) (.cse26 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_13| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|) 8))) (and (= (select |v_#valid_76| .cse26) 0) (= |v_#valid_77| (store |v_#valid_76| .cse26 1)) (= |v_ULTIMATE.start_main_#t~mem54#1.base_18| .cse26) (= (store |v_#length_33| .cse26 44) |v_#length_34|) (= (store |v_#memory_$Pointer$.base_405| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11| (store (store (store .cse27 16 0) 12 0) 8 .cse26)) |v_old(#memory_$Pointer$.base)_AFTER_CALL_13|) (= |v_#memory_$Pointer$.base_405| (store |v_#memory_$Pointer$.base_48| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11| (store (store .cse28 28 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|) 32 (select .cse27 32)))) (<= (+ 1 .cse26) |c_#StackHeapBarrier|) (= (store |v_#memory_$Pointer$.base_404| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11| (store (select |v_#memory_$Pointer$.base_404| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|) 36 (select .cse28 36))) |v_#memory_$Pointer$.base_48|) (not (= 0 .cse26))))) (exists ((|v_#memory_int_51| (Array Int (Array Int Int))) (|v_old(#memory_int)_AFTER_CALL_13| (Array Int (Array Int Int))) (|v_#memory_int_484| (Array Int (Array Int Int))) (|v_#memory_int_145| (Array Int (Array Int Int))) (|v_#memory_int_486| (Array Int (Array Int Int)))) (let ((.cse30 (select |v_#memory_int_486| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|)) (.cse31 (select |v_#memory_int_51| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|)) (.cse29 (select |v_#memory_int_145| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|))) (and (= (store |v_#memory_int_145| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11| (store .cse29 12 (select .cse30 12))) |v_#memory_int_486|) (= |v_old(#memory_int)_AFTER_CALL_13| (store |v_#memory_int_486| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11| (store .cse30 8 (select (select |v_old(#memory_int)_AFTER_CALL_13| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|) 8)))) (= |v_#memory_int_51| (store |v_#memory_int_484| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11| (store (store (select |v_#memory_int_484| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|) 36 |v_ULTIMATE.start_main_~_ha_hashv~0#1_BEFORE_CALL_11|) 28 (select .cse31 28)))) (= (store |v_#memory_int_51| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11| (store (store .cse31 32 4) 16 (select .cse29 16))) |v_#memory_int_145|)))) .cse18 .cse22))) (= (store |v_#memory_$Pointer$.base_134| .cse33 (store (select |v_#memory_$Pointer$.base_134| .cse33) .cse34 (select (select |v_#memory_$Pointer$.base_136| .cse33) .cse34))) |v_#memory_$Pointer$.base_136|) (= |c_#Ultimate.C_memset_#ptr.base| .cse35) (= (store |v_#length_34| |v_ULTIMATE.start_main_#t~malloc61#1.base_6| 384) |c_#length|) (= |v_#memory_$Pointer$.offset_134| (store |v_#memory_$Pointer$.offset_135| .cse33 (store (select |v_#memory_$Pointer$.offset_135| .cse33) .cse34 (select (select |v_#memory_$Pointer$.offset_134| .cse33) .cse34)))) (= (store .cse36 .cse37 (store (select .cse36 .cse37) .cse38 (select (select |v_#memory_$Pointer$.offset_135| .cse37) .cse38))) |v_#memory_$Pointer$.offset_135|) (= (store .cse39 .cse14 (store (select .cse39 .cse14) .cse15 (select (select |c_old(#memory_$Pointer$.base)| .cse14) .cse15))) |c_old(#memory_$Pointer$.base)|) (<= (+ |v_ULTIMATE.start_main_#t~malloc61#1.base_6| 1) |c_#StackHeapBarrier|) (not (= |v_ULTIMATE.start_main_#t~malloc61#1.base_6| 0)) (= (store .cse40 .cse37 (store (select .cse40 .cse37) .cse38 (select (select |v_#memory_$Pointer$.base_134| .cse37) .cse38))) |v_#memory_$Pointer$.base_134|) (= .cse41 |c_#Ultimate.C_memset_#ptr.offset|) (= (store |v_#memory_$Pointer$.offset_134| .cse16 (store (select |v_#memory_$Pointer$.offset_134| .cse16) .cse17 (select (select |v_#memory_$Pointer$.offset_136| .cse16) .cse17))) |v_#memory_$Pointer$.offset_136|) (= (store |v_#memory_int_487| .cse42 (store (select |v_#memory_int_487| .cse42) .cse43 (select (select |v_#memory_int_146| .cse42) .cse43))) |v_#memory_int_146|) (or (not (= .cse35 0)) (not (= .cse41 0))) (= (let ((.cse44 (let ((.cse47 (let ((.cse48 (store |v_#memory_int_146| .cse37 (store (select |v_#memory_int_146| .cse37) .cse38 32)))) (store .cse48 .cse33 (store (select .cse48 .cse33) .cse34 5))))) (store .cse47 .cse16 (store (select .cse47 .cse16) .cse17 8))))) (store .cse44 .cse45 (store (select .cse44 .cse45) .cse46 (select (select |v_#memory_int_147| .cse45) .cse46)))) |v_#memory_int_147|) (= (store .cse49 .cse14 (store (select .cse49 .cse14) .cse15 (select (select |c_old(#memory_$Pointer$.offset)| .cse14) .cse15))) |c_old(#memory_$Pointer$.offset)|)))))) .cse9 .cse11 .cse12 .cse52))) (or (and .cse10 .cse12 .cse13) (and .cse12 .cse52)))) is different from false [2024-11-14 05:45:33,206 WARN L286 SmtUtils]: Spent 2.95m on a formula simplification that was a NOOP. DAG size: 301 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:49:02,442 WARN L286 SmtUtils]: Spent 2.96m on a formula simplification that was a NOOP. DAG size: 306 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:50:05,817 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3504#(and (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~tmp~0#1.base| 0) (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~tmp~0#1.offset| 0) (<= 2 |ULTIMATE.start_main_~#i~0#1.base|) (exists ((|v_ULTIMATE.start_main_~_hf_bkt~0#1_21| Int) (|v_ULTIMATE.start_main_~_hf_hashv~0#1_535| Int)) (and (or (and (not (= (mod |v_ULTIMATE.start_main_~_hf_hashv~0#1_535| 4294967296) 0)) (not (= (mod (+ 4294967295 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~users~0#1.base|) 8)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~users~0#1.base|) 8) 4))) 4294967296) 0)) (or (and (= |v_ULTIMATE.start_main_~_hf_hashv~0#1_535| |v_ULTIMATE.start_main_~_hf_bkt~0#1_21|) (= (mod |v_ULTIMATE.start_main_~_hf_hashv~0#1_535| 4294967296) (mod (+ 4294967295 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~users~0#1.base|) 8)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~users~0#1.base|) 8) 4))) 4294967296))) (and (<= (mod |v_ULTIMATE.start_main_~_hf_bkt~0#1_21| 4294967296) (mod (+ 4294967295 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~users~0#1.base|) 8)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~users~0#1.base|) 8) 4))) 4294967296)) (not (= (mod |v_ULTIMATE.start_main_~_hf_hashv~0#1_535| 4294967296) (mod (+ 4294967295 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~users~0#1.base|) 8)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~users~0#1.base|) 8) 4))) 4294967296))) (<= (mod |v_ULTIMATE.start_main_~_hf_bkt~0#1_21| 4294967296) (mod |v_ULTIMATE.start_main_~_hf_hashv~0#1_535| 4294967296))))) (and (or (= (mod (+ 4294967295 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~users~0#1.base|) 8)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~users~0#1.base|) 8) 4))) 4294967296) 0) (= (mod |v_ULTIMATE.start_main_~_hf_hashv~0#1_535| 4294967296) 0)) (= 0 |v_ULTIMATE.start_main_~_hf_bkt~0#1_21|))) (or (and (<= (mod |v_ULTIMATE.start_main_~_hf_bkt~0#1_21| 4294967296) 2147483647) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~users~0#1.base|) 8)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~users~0#1.base|) 8))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~users~0#1.base|) 8)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~users~0#1.base|) 8)) (* 12 (mod |v_ULTIMATE.start_main_~_hf_bkt~0#1_21| 4294967296)))) 0)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~users~0#1.base|) 8)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~users~0#1.base|) 8))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~users~0#1.base|) 8)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~users~0#1.base|) 8)) (- 51539607552) (* 12 (mod |v_ULTIMATE.start_main_~_hf_bkt~0#1_21| 4294967296)))) 0) (<= 2147483648 (mod |v_ULTIMATE.start_main_~_hf_bkt~0#1_21| 4294967296)))) (or (and (<= (mod |v_ULTIMATE.start_main_~_hf_bkt~0#1_21| 4294967296) 2147483647) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~users~0#1.base|) 8)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~users~0#1.base|) 8))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~users~0#1.base|) 8)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~users~0#1.base|) 8)) (* 12 (mod |v_ULTIMATE.start_main_~_hf_bkt~0#1_21| 4294967296)))) 0)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~users~0#1.base|) 8)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~users~0#1.base|) 8))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~users~0#1.base|) 8)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~users~0#1.base|) 8)) (- 51539607552) (* 12 (mod |v_ULTIMATE.start_main_~_hf_bkt~0#1_21| 4294967296)))) 0) (<= 2147483648 (mod |v_ULTIMATE.start_main_~_hf_bkt~0#1_21| 4294967296)))))) (not (= |ULTIMATE.start_main_~users~0#1.base| 0)) (= ~count_int_int~0 0) (= |ULTIMATE.start_main_~#i~0#1.offset| 0))' at error location [2024-11-14 05:50:05,818 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 05:50:05,818 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 05:50:05,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-14 05:50:05,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91760418] [2024-11-14 05:50:05,818 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 05:50:05,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-14 05:50:05,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:50:05,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-14 05:50:05,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=1403, Unknown=74, NotChecked=78, Total=1722 [2024-11-14 05:50:05,820 INFO L87 Difference]: Start difference. First operand 132 states and 157 transitions. Second operand has 10 states, 7 states have (on average 11.0) internal successors, (77), 10 states have internal predecessors, (77), 2 states have call successors, (3), 2 states have call predecessors, (3), 5 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-14 05:50:07,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:50:09,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:50:11,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:50:13,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:50:15,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:50:17,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:50:19,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:50:21,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:50:23,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:50:25,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:50:27,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:50:29,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:50:31,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:50:33,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:50:36,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:50:38,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:50:40,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:50:41,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:50:44,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:50:47,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:50:49,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:50:51,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:50:53,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:50:55,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:50:57,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:50:59,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:50:59,937 INFO L93 Difference]: Finished difference Result 253 states and 309 transitions. [2024-11-14 05:50:59,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-14 05:50:59,939 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 7 states have (on average 11.0) internal successors, (77), 10 states have internal predecessors, (77), 2 states have call successors, (3), 2 states have call predecessors, (3), 5 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) Word has length 73 [2024-11-14 05:50:59,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:50:59,940 INFO L225 Difference]: With dead ends: 253 [2024-11-14 05:50:59,940 INFO L226 Difference]: Without dead ends: 141 [2024-11-14 05:50:59,943 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 179 SyntacticMatches, 3 SemanticMatches, 45 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 529 ImplicationChecksByTransitivity, 524.7s TimeCoverageRelationStatistics Valid=208, Invalid=1792, Unknown=74, NotChecked=88, Total=2162 [2024-11-14 05:50:59,945 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 4 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 7 mSolverCounterUnsat, 23 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 53.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 681 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 23 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 53.6s IncrementalHoareTripleChecker+Time [2024-11-14 05:50:59,945 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 681 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 177 Invalid, 23 Unknown, 0 Unchecked, 53.6s Time] [2024-11-14 05:50:59,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-11-14 05:50:59,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 140. [2024-11-14 05:50:59,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 126 states have (on average 1.2142857142857142) internal successors, (153), 133 states have internal predecessors, (153), 8 states have call successors, (8), 3 states have call predecessors, (8), 4 states have return successors, (9), 4 states have call predecessors, (9), 8 states have call successors, (9) [2024-11-14 05:50:59,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 170 transitions. [2024-11-14 05:50:59,967 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 170 transitions. Word has length 73 [2024-11-14 05:50:59,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:50:59,968 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 170 transitions. [2024-11-14 05:50:59,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 7 states have (on average 11.0) internal successors, (77), 10 states have internal predecessors, (77), 2 states have call successors, (3), 2 states have call predecessors, (3), 5 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-14 05:50:59,968 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 170 transitions. [2024-11-14 05:50:59,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-14 05:50:59,969 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:50:59,969 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:51:00,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908b406b-2f25-4229-9f76-8ef8d7728b02/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-14 05:51:00,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908b406b-2f25-4229-9f76-8ef8d7728b02/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-14 05:51:00,174 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:51:00,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:51:00,174 INFO L85 PathProgramCache]: Analyzing trace with hash -966114099, now seen corresponding path program 2 times [2024-11-14 05:51:00,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:51:00,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240509061] [2024-11-14 05:51:00,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:51:00,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:51:01,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:51:02,620 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 26 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-14 05:51:02,620 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:51:02,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240509061] [2024-11-14 05:51:02,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240509061] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:51:02,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [110021942] [2024-11-14 05:51:02,623 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-14 05:51:02,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:51:02,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908b406b-2f25-4229-9f76-8ef8d7728b02/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:51:02,625 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908b406b-2f25-4229-9f76-8ef8d7728b02/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:51:02,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908b406b-2f25-4229-9f76-8ef8d7728b02/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process