./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-1.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_cc96e8c6-e9c2-4f83-97c0-4d37f9ab09b0/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc96e8c6-e9c2-4f83-97c0-4d37f9ab09b0/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_cc96e8c6-e9c2-4f83-97c0-4d37f9ab09b0/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc96e8c6-e9c2-4f83-97c0-4d37f9ab09b0/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc96e8c6-e9c2-4f83-97c0-4d37f9ab09b0/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_cc96e8c6-e9c2-4f83-97c0-4d37f9ab09b0/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 c2bc72e0ba847f7c079e01dc4ce9f95afa555e9d2ef7b4bcdf5e1274db86053e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:38:28,160 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:38:28,270 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc96e8c6-e9c2-4f83-97c0-4d37f9ab09b0/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 04:38:28,276 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:38:28,276 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:38:28,324 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:38:28,324 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:38:28,325 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:38:28,325 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:38:28,325 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:38:28,325 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:38:28,325 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:38:28,326 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:38:28,326 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:38:28,329 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:38:28,329 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:38:28,329 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:38:28,330 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:38:28,330 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:38:28,330 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:38:28,330 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:38:28,330 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:38:28,331 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:38:28,331 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:38:28,331 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:38:28,331 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:38:28,331 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:38:28,331 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:38:28,331 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:38:28,332 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:38:28,332 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:38:28,332 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:38:28,332 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:38:28,332 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:38:28,332 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:38:28,332 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:38:28,332 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:38:28,332 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:38:28,332 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:38:28,333 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:38:28,334 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:38:28,334 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:38:28,334 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:38:28,334 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:38:28,335 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:38:28,335 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:38:28,335 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:38:28,336 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_cc96e8c6-e9c2-4f83-97c0-4d37f9ab09b0/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 -> c2bc72e0ba847f7c079e01dc4ce9f95afa555e9d2ef7b4bcdf5e1274db86053e [2024-11-14 04:38:28,720 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:38:28,735 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:38:28,739 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:38:28,742 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:38:28,742 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:38:28,744 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc96e8c6-e9c2-4f83-97c0-4d37f9ab09b0/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-1.i Unable to find full path for "g++" [2024-11-14 04:38:31,144 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:38:31,717 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:38:31,721 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc96e8c6-e9c2-4f83-97c0-4d37f9ab09b0/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-1.i [2024-11-14 04:38:31,754 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc96e8c6-e9c2-4f83-97c0-4d37f9ab09b0/bin/utaipan-verify-sOmjnqqW8E/data/16119a129/e2e84b42654c46d59f3c10ed1f9ea9ab/FLAG8c7537093 [2024-11-14 04:38:31,780 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc96e8c6-e9c2-4f83-97c0-4d37f9ab09b0/bin/utaipan-verify-sOmjnqqW8E/data/16119a129/e2e84b42654c46d59f3c10ed1f9ea9ab [2024-11-14 04:38:31,783 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:38:31,785 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:38:31,787 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:38:31,787 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:38:31,794 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:38:31,795 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:38:31" (1/1) ... [2024-11-14 04:38:31,797 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@441d57ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:38:31, skipping insertion in model container [2024-11-14 04:38:31,799 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:38:31" (1/1) ... [2024-11-14 04:38:31,868 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:38:32,399 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_cc96e8c6-e9c2-4f83-97c0-4d37f9ab09b0/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-1.i[37019,37032] [2024-11-14 04:38:32,539 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_cc96e8c6-e9c2-4f83-97c0-4d37f9ab09b0/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-1.i[47352,47365] [2024-11-14 04:38:32,547 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:38:32,561 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:38:32,613 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_cc96e8c6-e9c2-4f83-97c0-4d37f9ab09b0/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-1.i[37019,37032] [2024-11-14 04:38:32,697 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_cc96e8c6-e9c2-4f83-97c0-4d37f9ab09b0/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-1.i[47352,47365] [2024-11-14 04:38:32,702 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:38:32,766 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:38:32,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:38:32 WrapperNode [2024-11-14 04:38:32,767 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:38:32,768 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:38:32,771 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:38:32,771 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:38:32,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:38:32" (1/1) ... [2024-11-14 04:38:32,804 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:38:32" (1/1) ... [2024-11-14 04:38:32,886 INFO L138 Inliner]: procedures = 208, calls = 227, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1272 [2024-11-14 04:38:32,886 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:38:32,887 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:38:32,887 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:38:32,887 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:38:32,899 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:38:32" (1/1) ... [2024-11-14 04:38:32,899 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:38:32" (1/1) ... [2024-11-14 04:38:32,922 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:38:32" (1/1) ... [2024-11-14 04:38:32,922 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:38:32" (1/1) ... [2024-11-14 04:38:32,976 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:38:32" (1/1) ... [2024-11-14 04:38:32,990 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:38:32" (1/1) ... [2024-11-14 04:38:32,996 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:38:32" (1/1) ... [2024-11-14 04:38:33,005 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:38:32" (1/1) ... [2024-11-14 04:38:33,027 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:38:33,028 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:38:33,028 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:38:33,028 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:38:33,029 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:38:32" (1/1) ... [2024-11-14 04:38:33,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:38:33,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc96e8c6-e9c2-4f83-97c0-4d37f9ab09b0/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:38:33,072 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc96e8c6-e9c2-4f83-97c0-4d37f9ab09b0/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:38:33,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc96e8c6-e9c2-4f83-97c0-4d37f9ab09b0/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:38:33,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-14 04:38:33,110 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-14 04:38:33,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 04:38:33,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-14 04:38:33,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 04:38:33,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 04:38:33,111 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-14 04:38:33,111 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-14 04:38:33,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 04:38:33,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-14 04:38:33,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:38:33,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-14 04:38:33,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:38:33,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:38:33,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:38:33,397 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:38:33,401 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:38:35,711 INFO L? ?]: Removed 296 outVars from TransFormulas that were not future-live. [2024-11-14 04:38:35,711 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:38:37,883 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:38:37,884 INFO L316 CfgBuilder]: Removed 54 assume(true) statements. [2024-11-14 04:38:37,884 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:38:37 BoogieIcfgContainer [2024-11-14 04:38:37,884 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:38:37,891 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:38:37,891 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:38:37,899 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:38:37,899 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:38:31" (1/3) ... [2024-11-14 04:38:37,900 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c4d286d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:38:37, skipping insertion in model container [2024-11-14 04:38:37,900 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:38:32" (2/3) ... [2024-11-14 04:38:37,901 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c4d286d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:38:37, skipping insertion in model container [2024-11-14 04:38:37,901 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:38:37" (3/3) ... [2024-11-14 04:38:37,902 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test2-1.i [2024-11-14 04:38:37,923 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:38:37,926 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_FNV_test2-1.i that has 3 procedures, 116 locations, 1 initial locations, 31 loop locations, and 2 error locations. [2024-11-14 04:38:38,009 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:38:38,029 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;@1751d093, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:38:38,029 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-14 04:38:38,037 INFO L276 IsEmpty]: Start isEmpty. Operand has 116 states, 103 states have (on average 1.7475728155339805) internal successors, (180), 110 states have internal predecessors, (180), 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 04:38:38,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-14 04:38:38,045 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:38:38,045 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:38:38,046 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:38:38,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:38:38,053 INFO L85 PathProgramCache]: Analyzing trace with hash 2109938780, now seen corresponding path program 1 times [2024-11-14 04:38:38,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:38:38,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173899430] [2024-11-14 04:38:38,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:38:38,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:38:38,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:38:38,273 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 04:38:38,274 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:38:38,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173899430] [2024-11-14 04:38:38,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173899430] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:38:38,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:38:38,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:38:38,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678434650] [2024-11-14 04:38:38,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:38:38,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 04:38:38,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:38:38,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 04:38:38,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 04:38:38,326 INFO L87 Difference]: Start difference. First operand has 116 states, 103 states have (on average 1.7475728155339805) internal successors, (180), 110 states have internal predecessors, (180), 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 04:38:40,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:38:42,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:38:44,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:38:45,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:38:45,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:38:45,974 INFO L93 Difference]: Finished difference Result 231 states and 396 transitions. [2024-11-14 04:38:45,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:38:45,982 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 04:38:45,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:38:45,992 INFO L225 Difference]: With dead ends: 231 [2024-11-14 04:38:45,992 INFO L226 Difference]: Without dead ends: 114 [2024-11-14 04:38:45,995 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 04:38:45,999 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2024-11-14 04:38:46,000 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 3 Unknown, 0 Unchecked, 7.6s Time] [2024-11-14 04:38:46,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-14 04:38:46,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2024-11-14 04:38:46,049 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 04:38:46,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 139 transitions. [2024-11-14 04:38:46,061 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 139 transitions. Word has length 8 [2024-11-14 04:38:46,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:38:46,063 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 139 transitions. [2024-11-14 04:38:46,063 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 04:38:46,063 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 139 transitions. [2024-11-14 04:38:46,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-14 04:38:46,066 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:38:46,067 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 04:38:46,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 04:38:46,068 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:38:46,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:38:46,070 INFO L85 PathProgramCache]: Analyzing trace with hash 1218411878, now seen corresponding path program 1 times [2024-11-14 04:38:46,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:38:46,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994448649] [2024-11-14 04:38:46,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:38:46,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:38:46,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:38:46,940 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 04:38:46,941 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:38:46,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994448649] [2024-11-14 04:38:46,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994448649] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:38:46,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:38:46,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 04:38:46,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261794536] [2024-11-14 04:38:46,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:38:46,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:38:46,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:38:46,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:38:46,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:38:46,949 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 04:38:49,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:38:51,034 WARN L539 Checker$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 04:38:53,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:38:55,105 WARN L539 Checker$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 04:38:57,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:38:58,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:39:00,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:39:02,794 WARN L539 Checker$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 04:39:04,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:39:06,828 WARN L539 Checker$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 04:39:08,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:39:11,922 WARN L539 Checker$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 04:39:13,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:39:15,070 WARN L539 Checker$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 04:39:16,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:39:16,518 INFO L93 Difference]: Finished difference Result 236 states and 296 transitions. [2024-11-14 04:39:16,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:39:16,523 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 04:39:16,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:39:16,525 INFO L225 Difference]: With dead ends: 236 [2024-11-14 04:39:16,525 INFO L226 Difference]: Without dead ends: 179 [2024-11-14 04:39:16,526 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 04:39:16,527 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 70 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 2 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.5s IncrementalHoareTripleChecker+Time [2024-11-14 04:39:16,527 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 309 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 100 Invalid, 12 Unknown, 0 Unchecked, 29.5s Time] [2024-11-14 04:39:16,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-11-14 04:39:16,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 116. [2024-11-14 04:39:16,543 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 04:39:16,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 141 transitions. [2024-11-14 04:39:16,545 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 141 transitions. Word has length 22 [2024-11-14 04:39:16,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:39:16,546 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 141 transitions. [2024-11-14 04:39:16,546 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 04:39:16,546 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 141 transitions. [2024-11-14 04:39:16,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-14 04:39:16,548 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:39:16,548 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 04:39:16,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 04:39:16,549 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:39:16,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:39:16,549 INFO L85 PathProgramCache]: Analyzing trace with hash -1160545144, now seen corresponding path program 1 times [2024-11-14 04:39:16,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:39:16,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147911752] [2024-11-14 04:39:16,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:39:16,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:39:16,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:39:17,026 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 04:39:17,027 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:39:17,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147911752] [2024-11-14 04:39:17,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147911752] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:39:17,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:39:17,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:39:17,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163873846] [2024-11-14 04:39:17,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:39:17,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:39:17,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:39:17,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:39:17,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:39:17,030 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 04:39:19,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:39:21,069 WARN L539 Checker$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 04:39:23,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:39:25,240 WARN L539 Checker$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 04:39:27,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:39:29,258 WARN L539 Checker$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 04:39:31,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:39:32,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:39:34,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:39:36,653 WARN L539 Checker$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 04:39:38,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:39:40,771 WARN L539 Checker$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 04:39:42,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-14 04:39:42,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:39:42,604 INFO L93 Difference]: Finished difference Result 277 states and 341 transitions. [2024-11-14 04:39:42,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:39:42,609 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 04:39:42,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:39:42,611 INFO L225 Difference]: With dead ends: 277 [2024-11-14 04:39:42,611 INFO L226 Difference]: Without dead ends: 164 [2024-11-14 04:39:42,612 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 04:39:42,613 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 38 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 2 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.5s IncrementalHoareTripleChecker+Time [2024-11-14 04:39:42,614 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 243 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 44 Invalid, 11 Unknown, 0 Unchecked, 25.5s Time] [2024-11-14 04:39:42,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2024-11-14 04:39:42,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 162. [2024-11-14 04:39:42,631 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 04:39:42,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 200 transitions. [2024-11-14 04:39:42,633 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 200 transitions. Word has length 50 [2024-11-14 04:39:42,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:39:42,633 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 200 transitions. [2024-11-14 04:39:42,634 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 04:39:42,634 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 200 transitions. [2024-11-14 04:39:42,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-14 04:39:42,636 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:39:42,636 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 04:39:42,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 04:39:42,637 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:39:42,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:39:42,637 INFO L85 PathProgramCache]: Analyzing trace with hash 364380807, now seen corresponding path program 1 times [2024-11-14 04:39:42,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:39:42,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555742024] [2024-11-14 04:39:42,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:39:42,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:39:42,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:39:43,391 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 04:39:43,391 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:39:43,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555742024] [2024-11-14 04:39:43,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555742024] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:39:43,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:39:43,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 04:39:43,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232776011] [2024-11-14 04:39:43,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:39:43,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 04:39:43,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:39:43,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 04:39:43,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:39:43,397 INFO L87 Difference]: Start difference. First operand 162 states and 200 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 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 04:39:45,448 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 04:39:47,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:39:49,454 WARN L539 Checker$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 04:39:51,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:39:53,473 WARN L539 Checker$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 04:39:55,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:39:57,850 WARN L539 Checker$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 04:39:59,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:40:02,335 WARN L539 Checker$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 04:40:04,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:40:06,542 WARN L539 Checker$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 04:40:08,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:40:10,563 WARN L539 Checker$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 04:40:12,569 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 04:40:13,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:40:13,353 INFO L93 Difference]: Finished difference Result 354 states and 439 transitions. [2024-11-14 04:40:13,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:40:13,354 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 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 04:40:13,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:40:13,356 INFO L225 Difference]: With dead ends: 354 [2024-11-14 04:40:13,357 INFO L226 Difference]: Without dead ends: 209 [2024-11-14 04:40:13,358 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:40:13,359 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 344 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 19 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 350 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.9s IncrementalHoareTripleChecker+Time [2024-11-14 04:40:13,359 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [350 Valid, 239 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 98 Invalid, 14 Unknown, 0 Unchecked, 29.9s Time] [2024-11-14 04:40:13,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-11-14 04:40:13,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 130. [2024-11-14 04:40:13,379 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 04:40:13,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 154 transitions. [2024-11-14 04:40:13,381 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 154 transitions. Word has length 63 [2024-11-14 04:40:13,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:40:13,382 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 154 transitions. [2024-11-14 04:40:13,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 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 04:40:13,383 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 154 transitions. [2024-11-14 04:40:13,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-14 04:40:13,385 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:40:13,385 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 04:40:13,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-14 04:40:13,386 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:40:13,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:40:13,386 INFO L85 PathProgramCache]: Analyzing trace with hash 708807108, now seen corresponding path program 1 times [2024-11-14 04:40:13,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:40:13,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272151393] [2024-11-14 04:40:13,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:40:13,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:40:15,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:40:15,718 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 04:40:15,718 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:40:15,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272151393] [2024-11-14 04:40:15,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272151393] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:40:15,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [9250233] [2024-11-14 04:40:15,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:40:15,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:40:15,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc96e8c6-e9c2-4f83-97c0-4d37f9ab09b0/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:40:15,726 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc96e8c6-e9c2-4f83-97c0-4d37f9ab09b0/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:40:15,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc96e8c6-e9c2-4f83-97c0-4d37f9ab09b0/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 04:40:32,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:40:32,755 INFO L255 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-14 04:40:32,763 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:40:32,804 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 04:40:32,805 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:40:32,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [9250233] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:40:32,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 04:40:32,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2024-11-14 04:40:32,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322203346] [2024-11-14 04:40:32,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:40:32,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:40:32,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:40:32,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:40:32,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:40:32,808 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 04:40:34,849 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 04:40:36,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:40:38,855 WARN L539 Checker$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 04:40:40,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:40:42,867 WARN L539 Checker$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 04:40:43,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:40:46,132 WARN L539 Checker$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 04:40:48,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:40:50,140 WARN L539 Checker$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 04:40:52,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:40:54,151 WARN L539 Checker$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 04:40:56,156 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 04:40:57,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:40:57,140 INFO L93 Difference]: Finished difference Result 242 states and 291 transitions. [2024-11-14 04:40:57,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:40:57,146 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 04:40:57,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:40:57,147 INFO L225 Difference]: With dead ends: 242 [2024-11-14 04:40:57,147 INFO L226 Difference]: Without dead ends: 132 [2024-11-14 04:40:57,148 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 04:40:57,149 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 0 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.3s IncrementalHoareTripleChecker+Time [2024-11-14 04:40:57,149 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 344 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 11 Unknown, 0 Unchecked, 24.3s Time] [2024-11-14 04:40:57,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-11-14 04:40:57,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2024-11-14 04:40:57,172 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 04:40:57,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 157 transitions. [2024-11-14 04:40:57,174 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 157 transitions. Word has length 71 [2024-11-14 04:40:57,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:40:57,174 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 157 transitions. [2024-11-14 04:40:57,174 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 04:40:57,175 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 157 transitions. [2024-11-14 04:40:57,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-14 04:40:57,177 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:40:57,177 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 04:40:57,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc96e8c6-e9c2-4f83-97c0-4d37f9ab09b0/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 04:40:57,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc96e8c6-e9c2-4f83-97c0-4d37f9ab09b0/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:40:57,378 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:40:57,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:40:57,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1098040614, now seen corresponding path program 1 times [2024-11-14 04:40:57,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:40:57,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917665112] [2024-11-14 04:40:57,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:40:57,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:40:58,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:40:59,016 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 04:40:59,016 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:40:59,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917665112] [2024-11-14 04:40:59,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917665112] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:40:59,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [553926287] [2024-11-14 04:40:59,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:40:59,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:40:59,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc96e8c6-e9c2-4f83-97c0-4d37f9ab09b0/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:40:59,020 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc96e8c6-e9c2-4f83-97c0-4d37f9ab09b0/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:40:59,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc96e8c6-e9c2-4f83-97c0-4d37f9ab09b0/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-14 04:41:32,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:41:32,160 INFO L255 TraceCheckSpWp]: Trace formula consists of 590 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-14 04:41:32,165 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:41:32,218 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 04:41:32,218 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:41:32,360 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 04:41:32,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [553926287] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:41:32,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1356317878] [2024-11-14 04:41:32,400 INFO L159 IcfgInterpreter]: Started Sifa with 67 locations of interest [2024-11-14 04:41:32,401 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 04:41:32,405 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 04:41:32,411 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 04:41:32,412 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 04:41:56,964 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 396 for LOIs [2024-11-14 04:42:05,106 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 04:42:41,997 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$.offset)|))) (or (and .cse0 (exists ((|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_12| Int) (|v_#memory_int_417| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_21| (Array Int (Array Int Int))) (|v_#memory_int_34| (Array Int (Array Int Int))) (|v_#memory_int_128| (Array Int (Array Int Int))) (|v_#length_32| (Array Int Int)) (|v_#memory_int_419| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_~_ha_hashv~0#1_BEFORE_CALL_12| Int) (|v_#memory_$Pointer$.offset_21| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_311| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_310| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_310| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_311| (Array Int (Array Int Int))) (|v_#valid_58| (Array Int Int))) (let ((.cse3 (select |v_#memory_$Pointer$.offset_21| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_12|)) (.cse5 (select |v_#memory_int_34| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_12|)) (.cse8 (select |v_#memory_int_128| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_12|)) (.cse1 (select |v_#memory_int_419| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_12|)) (.cse4 (select |v_#memory_$Pointer$.offset_311| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_12|)) (.cse6 (select |v_#memory_$Pointer$.base_21| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_12|)) (.cse7 (select |v_#memory_$Pointer$.base_311| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_12|)) (.cse2 (select (select |c_old(#memory_$Pointer$.base)| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_12|) 8))) (and (= (store |v_#memory_int_419| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_12| (store .cse1 8 (select (select |c_old(#memory_int)| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_12|) 8))) |c_old(#memory_int)|) (= .cse2 |c_#Ultimate.C_memset_#ptr.base|) (= (store |v_#memory_$Pointer$.offset_21| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_12| (store (store .cse3 28 0) 32 (select .cse4 32))) |v_#memory_$Pointer$.offset_311|) (= (store |v_#memory_int_417| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_12| (store (store (select |v_#memory_int_417| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_12|) 36 |v_ULTIMATE.start_main_~_ha_hashv~0#1_BEFORE_CALL_12|) 28 (select .cse5 28))) |v_#memory_int_34|) (= (store |v_#memory_$Pointer$.offset_310| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_12| (store (select |v_#memory_$Pointer$.offset_310| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_12|) 36 (select .cse3 36))) |v_#memory_$Pointer$.offset_21|) (= (select |v_#valid_58| .cse2) 0) (= (store |v_#memory_$Pointer$.base_21| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_12| (store (store .cse6 28 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_12|) 32 (select .cse7 32))) |v_#memory_$Pointer$.base_311|) (<= (+ .cse2 1) |c_#StackHeapBarrier|) (= |c_#valid| (store |v_#valid_58| .cse2 1)) (not (= .cse2 0)) (= (store |v_#memory_int_34| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_12| (store (store .cse5 32 4) 16 (select .cse8 16))) |v_#memory_int_128|) (= (store |v_#memory_int_128| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_12| (store .cse8 12 (select .cse1 12))) |v_#memory_int_419|) (= (store |v_#memory_$Pointer$.offset_311| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_12| (store (store (store .cse4 16 0) 12 0) 8 0)) |c_old(#memory_$Pointer$.offset)|) (= |c_#length| (store |v_#length_32| .cse2 44)) (= (store |v_#memory_$Pointer$.base_310| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_12| (store (select |v_#memory_$Pointer$.base_310| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_12|) 36 (select .cse6 36))) |v_#memory_$Pointer$.base_21|) (= (store |v_#memory_$Pointer$.base_311| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_12| (store (store (store .cse7 16 0) 12 0) 8 .cse2)) |c_old(#memory_$Pointer$.base)|)))) .cse9 .cse10 .cse11 .cse12 .cse13) (and .cse0 (exists ((|v_#memory_$Pointer$.offset_313| (Array Int (Array Int Int))) (|v_#memory_int_129| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11| Int) (|v_#memory_$Pointer$.offset_106| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_107| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_108| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_108| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_107| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_106| (Array Int (Array Int Int))) (|v_#length_33| (Array Int Int)) (|v_ULTIMATE.start_main_#t~mem54#1.base_15| Int) (|v_ULTIMATE.start_main_~_ha_hashv~0#1_BEFORE_CALL_11| Int) (|v_#memory_$Pointer$.base_313| (Array Int (Array Int Int))) (|v_#memory_int_420| (Array Int (Array Int Int))) (|v_#memory_int_130| (Array Int (Array Int Int))) (|v_#valid_59| (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc61#1.base_6| Int)) (let ((.cse21 (select (select |v_#memory_$Pointer$.base_107| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|) 8)) (.cse22 (select (select |v_#memory_$Pointer$.offset_108| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|) 8)) (.cse29 (select (select |v_#memory_$Pointer$.base_313| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|) 8)) (.cse30 (+ 16 (select (select |v_#memory_$Pointer$.offset_313| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|) 8)))) (let ((.cse17 (store |v_#memory_$Pointer$.offset_313| .cse29 (store (select |v_#memory_$Pointer$.offset_313| .cse29) .cse30 8))) (.cse49 (store |v_#memory_$Pointer$.base_313| .cse29 (store (select |v_#memory_$Pointer$.base_313| .cse29) .cse30 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|))) (.cse50 (select (select |c_old(#memory_$Pointer$.base)| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|) 8)) (.cse51 (select (select |c_old(#memory_$Pointer$.offset)| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|) 8)) (.cse14 (store |v_#memory_$Pointer$.offset_108| .cse21 (store (select |v_#memory_$Pointer$.offset_108| .cse21) .cse22 0))) (.cse31 (store |v_#memory_$Pointer$.base_107| .cse21 (store (select |v_#memory_$Pointer$.base_107| .cse21) .cse22 |v_ULTIMATE.start_main_#t~malloc61#1.base_6|)))) (let ((.cse27 (select (select |v_#memory_$Pointer$.base_106| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|) 8)) (.cse28 (+ 8 (select (select |v_#memory_$Pointer$.offset_107| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|) 8))) (.cse15 (select (select .cse31 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|) 8)) (.cse16 (+ (select (select .cse14 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|) 8) 40)) (.cse24 (select (select |v_#memory_$Pointer$.base_108| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|) 8)) (.cse25 (+ (select (select |v_#memory_$Pointer$.offset_106| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|) 8) 20)) (.cse32 (select (select |c_old(#memory_$Pointer$.base)| .cse50) .cse51)) (.cse48 (select (select |c_old(#memory_$Pointer$.offset)| .cse50) .cse51)) (.cse18 (select (select .cse49 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|) 8)) (.cse19 (+ (select (select .cse17 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|) 8) 4))) (and (= (store .cse14 .cse15 (store (select .cse14 .cse15) .cse16 (select (select |c_old(#memory_$Pointer$.offset)| .cse15) .cse16))) |c_old(#memory_$Pointer$.offset)|) (= (store |v_#valid_59| |v_ULTIMATE.start_main_#t~malloc61#1.base_6| 1) |c_#valid|) (= |v_#memory_$Pointer$.offset_107| (store .cse17 .cse18 (store (select .cse17 .cse18) .cse19 (select (select |v_#memory_$Pointer$.offset_107| .cse18) .cse19)))) (= (let ((.cse20 (let ((.cse23 (let ((.cse26 (store |v_#memory_int_129| .cse18 (store (select |v_#memory_int_129| .cse18) .cse19 32)))) (store .cse26 .cse27 (store (select .cse26 .cse27) .cse28 5))))) (store .cse23 .cse24 (store (select .cse23 .cse24) .cse25 8))))) (store .cse20 .cse21 (store (select .cse20 .cse21) .cse22 (select (select |v_#memory_int_130| .cse21) .cse22)))) |v_#memory_int_130|) (= (store |v_#memory_int_420| .cse29 (store (select |v_#memory_int_420| .cse29) .cse30 (select (select |v_#memory_int_129| .cse29) .cse30))) |v_#memory_int_129|) (= (store .cse31 .cse15 (store (select .cse31 .cse15) .cse16 (select (select |c_old(#memory_$Pointer$.base)| .cse15) .cse16))) |c_old(#memory_$Pointer$.base)|) (= (store |v_#memory_$Pointer$.base_106| .cse27 (store (select |v_#memory_$Pointer$.base_106| .cse27) .cse28 (select (select |v_#memory_$Pointer$.base_108| .cse27) .cse28))) |v_#memory_$Pointer$.base_108|) (= (store |v_#memory_$Pointer$.offset_107| .cse27 (store (select |v_#memory_$Pointer$.offset_107| .cse27) .cse28 (select (select |v_#memory_$Pointer$.offset_106| .cse27) .cse28))) |v_#memory_$Pointer$.offset_106|) (= |c_#Ultimate.C_memset_#ptr.base| .cse32) (= (store |v_#memory_$Pointer$.offset_106| .cse24 (store (select |v_#memory_$Pointer$.offset_106| .cse24) .cse25 (select (select |v_#memory_$Pointer$.offset_108| .cse24) .cse25))) |v_#memory_$Pointer$.offset_108|) (= (store |v_#memory_int_130| .cse15 (store (select |v_#memory_int_130| .cse15) .cse16 2685476833)) |c_old(#memory_int)|) (let ((.cse36 (exists ((|v_#memory_$Pointer$.offset_21| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_310| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_311| (Array Int (Array Int Int)))) (let ((.cse47 (select |v_#memory_$Pointer$.offset_21| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|))) (and (= (store |v_#memory_$Pointer$.offset_21| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11| (store (store .cse47 28 0) 32 (select (select |v_#memory_$Pointer$.offset_311| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|) 32))) |v_#memory_$Pointer$.offset_311|) (= (store |v_#memory_$Pointer$.offset_310| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11| (store (select |v_#memory_$Pointer$.offset_310| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|) 36 (select .cse47 36))) |v_#memory_$Pointer$.offset_21|))))) (.cse37 (exists ((|v_#Ultimate.C_memset_#t~loopctr228_27| Int)) (and (<= 0 |v_#Ultimate.C_memset_#t~loopctr228_27|) (<= 44 (mod |v_#Ultimate.C_memset_#t~loopctr228_27| 4294967296)))))) (or (and (exists ((|v_#memory_$Pointer$.base_21| (Array Int (Array Int Int))) (|v_#length_32| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_13| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_311| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_310| (Array Int (Array Int Int))) (|v_#valid_58| (Array Int Int))) (let ((.cse33 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_13| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|) 8)) (.cse34 (select |v_#memory_$Pointer$.base_21| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|)) (.cse35 (select |v_#memory_$Pointer$.base_311| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|))) (and (= |v_#valid_59| (store |v_#valid_58| .cse33 1)) (= (select |v_#valid_58| .cse33) 0) (= |v_ULTIMATE.start_main_#t~mem54#1.base_15| .cse33) (= (store |v_#memory_$Pointer$.base_310| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11| (store (select |v_#memory_$Pointer$.base_310| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|) 36 (select .cse34 36))) |v_#memory_$Pointer$.base_21|) (= (store |v_#length_32| .cse33 44) |v_#length_33|) (= (store |v_#memory_$Pointer$.base_311| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11| (store (store (store .cse35 16 0) 12 0) 8 .cse33)) |v_old(#memory_$Pointer$.base)_AFTER_CALL_13|) (<= (+ 1 .cse33) |c_#StackHeapBarrier|) (not (= 0 .cse33)) (= |v_#memory_$Pointer$.base_311| (store |v_#memory_$Pointer$.base_21| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11| (store (store .cse34 28 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|) 32 (select .cse35 32))))))) .cse36 .cse37 (exists ((|v_#memory_int_417| (Array Int (Array Int Int))) (|v_#memory_int_34| (Array Int (Array Int Int))) (|v_#memory_int_128| (Array Int (Array Int Int))) (|v_#memory_int_BEFORE_CALL_18| (Array Int (Array Int Int))) (|v_#memory_int_419| (Array Int (Array Int Int)))) (let ((.cse39 (select |v_#memory_int_419| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|)) (.cse38 (select |v_#memory_int_34| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|)) (.cse40 (select |v_#memory_int_128| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|))) (and (= |v_#memory_int_34| (store |v_#memory_int_417| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11| (store (store (select |v_#memory_int_417| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|) 36 |v_ULTIMATE.start_main_~_ha_hashv~0#1_BEFORE_CALL_11|) 28 (select .cse38 28)))) (= (store |v_#memory_int_419| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11| (store .cse39 8 (select (select |v_#memory_int_BEFORE_CALL_18| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|) 8))) |v_#memory_int_BEFORE_CALL_18|) (= (store |v_#memory_int_128| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11| (store .cse40 12 (select .cse39 12))) |v_#memory_int_419|) (= (store |v_#memory_int_34| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11| (store (store .cse38 32 4) 16 (select .cse40 16))) |v_#memory_int_128|))))) (and (exists ((|v_#memory_$Pointer$.base_21| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_14| (Array Int (Array Int Int))) (|v_#length_32| (Array Int Int)) (|v_#memory_$Pointer$.base_311| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_310| (Array Int (Array Int Int))) (|v_#valid_58| (Array Int Int))) (let ((.cse41 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_14| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|) 8)) (.cse43 (select |v_#memory_$Pointer$.base_21| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|)) (.cse42 (select |v_#memory_$Pointer$.base_311| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|))) (and (not (= .cse41 0)) (= (select |v_#valid_58| .cse41) 0) (<= (+ .cse41 1) |c_#StackHeapBarrier|) (= .cse41 |v_ULTIMATE.start_main_#t~mem54#1.base_15|) (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_14| (store |v_#memory_$Pointer$.base_311| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11| (store (store (store .cse42 16 0) 12 0) 8 .cse41))) (= (store |v_#memory_$Pointer$.base_310| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11| (store (select |v_#memory_$Pointer$.base_310| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|) 36 (select .cse43 36))) |v_#memory_$Pointer$.base_21|) (= (store |v_#length_32| .cse41 44) |v_#length_33|) (= (store |v_#valid_58| .cse41 1) |v_#valid_59|) (= |v_#memory_$Pointer$.base_311| (store |v_#memory_$Pointer$.base_21| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11| (store (store .cse43 28 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|) 32 (select .cse42 32))))))) .cse36 .cse37 (exists ((|v_#memory_int_417| (Array Int (Array Int Int))) (|v_old(#memory_int)_AFTER_CALL_14| (Array Int (Array Int Int))) (|v_#memory_int_34| (Array Int (Array Int Int))) (|v_#memory_int_128| (Array Int (Array Int Int))) (|v_#memory_int_419| (Array Int (Array Int Int)))) (let ((.cse44 (select |v_#memory_int_419| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|)) (.cse45 (select |v_#memory_int_34| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|)) (.cse46 (select |v_#memory_int_128| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|))) (and (= |v_old(#memory_int)_AFTER_CALL_14| (store |v_#memory_int_419| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11| (store .cse44 8 (select (select |v_old(#memory_int)_AFTER_CALL_14| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|) 8)))) (= |v_#memory_int_34| (store |v_#memory_int_417| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11| (store (store (select |v_#memory_int_417| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11|) 36 |v_ULTIMATE.start_main_~_ha_hashv~0#1_BEFORE_CALL_11|) 28 (select .cse45 28)))) (= (store |v_#memory_int_128| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11| (store .cse46 12 (select .cse44 12))) |v_#memory_int_419|) (= (store |v_#memory_int_34| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_11| (store (store .cse45 32 4) 16 (select .cse46 16))) |v_#memory_int_128|))))))) (= (store |v_#memory_$Pointer$.base_108| .cse24 (store (select |v_#memory_$Pointer$.base_108| .cse24) .cse25 (select (select |v_#memory_$Pointer$.base_107| .cse24) .cse25))) |v_#memory_$Pointer$.base_107|) (<= (+ |v_ULTIMATE.start_main_#t~malloc61#1.base_6| 1) |c_#StackHeapBarrier|) (not (= |v_ULTIMATE.start_main_#t~malloc61#1.base_6| 0)) (= .cse48 |c_#Ultimate.C_memset_#ptr.offset|) (= (select |v_#valid_59| |v_ULTIMATE.start_main_#t~malloc61#1.base_6|) 0) (or (not (= .cse32 0)) (not (= .cse48 0))) (= (store .cse49 .cse18 (store (select .cse49 .cse18) .cse19 (select (select |v_#memory_$Pointer$.base_106| .cse18) .cse19))) |v_#memory_$Pointer$.base_106|) (= (store |v_#length_33| |v_ULTIMATE.start_main_#t~malloc61#1.base_6| 384) |c_#length|)))))) .cse9 .cse11 .cse12 .cse52))) (or (and .cse10 .cse12 .cse13) (and .cse12 .cse52)))) is different from false [2024-11-14 04:45:55,999 WARN L286 SmtUtils]: Spent 2.65m on a formula simplification that was a NOOP. DAG size: 301 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:49:32,156 WARN L286 SmtUtils]: Spent 3.04m on a formula simplification that was a NOOP. DAG size: 306 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:50:59,868 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3556#(and (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~tmp~0#1.base| 0) (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~tmp~0#1.offset| 0) (<= 2 |ULTIMATE.start_main_~#i~0#1.base|) (not (= |ULTIMATE.start_main_~users~0#1.base| 0)) (exists ((|v_ULTIMATE.start_main_~_hf_bkt~0#1_19| Int) (|v_ULTIMATE.start_main_~_hf_hashv~0#1_533| Int)) (and (or (and (<= 2147483648 (mod |v_ULTIMATE.start_main_~_hf_bkt~0#1_19| 4294967296)) (= (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~users~0#1.base|) 8)) (- 51539607552) (* (mod |v_ULTIMATE.start_main_~_hf_bkt~0#1_19| 4294967296) 12))) 0)) (and (<= (mod |v_ULTIMATE.start_main_~_hf_bkt~0#1_19| 4294967296) 2147483647) (= (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~users~0#1.base|) 8)) (* (mod |v_ULTIMATE.start_main_~_hf_bkt~0#1_19| 4294967296) 12))) 0))) (or (and (not (= (mod (+ 4294967295 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~users~0#1.base|) 8)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~users~0#1.base|) 8) 4))) 4294967296) 0)) (or (and (= |v_ULTIMATE.start_main_~_hf_hashv~0#1_533| |v_ULTIMATE.start_main_~_hf_bkt~0#1_19|) (= (mod |v_ULTIMATE.start_main_~_hf_hashv~0#1_533| 4294967296) (mod (+ 4294967295 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~users~0#1.base|) 8)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~users~0#1.base|) 8) 4))) 4294967296))) (and (not (= (mod |v_ULTIMATE.start_main_~_hf_hashv~0#1_533| 4294967296) (mod (+ 4294967295 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~users~0#1.base|) 8)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~users~0#1.base|) 8) 4))) 4294967296))) (<= (mod |v_ULTIMATE.start_main_~_hf_bkt~0#1_19| 4294967296) (mod (+ 4294967295 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~users~0#1.base|) 8)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~users~0#1.base|) 8) 4))) 4294967296)) (<= (mod |v_ULTIMATE.start_main_~_hf_bkt~0#1_19| 4294967296) (mod |v_ULTIMATE.start_main_~_hf_hashv~0#1_533| 4294967296)))) (not (= (mod |v_ULTIMATE.start_main_~_hf_hashv~0#1_533| 4294967296) 0))) (and (= 0 |v_ULTIMATE.start_main_~_hf_bkt~0#1_19|) (or (= (mod (+ 4294967295 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~users~0#1.base|) 8)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~users~0#1.base|) 8) 4))) 4294967296) 0) (= (mod |v_ULTIMATE.start_main_~_hf_hashv~0#1_533| 4294967296) 0)))) (or (and (<= 2147483648 (mod |v_ULTIMATE.start_main_~_hf_bkt~0#1_19| 4294967296)) (= (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~users~0#1.base|) 8)) (- 51539607552) (* (mod |v_ULTIMATE.start_main_~_hf_bkt~0#1_19| 4294967296) 12))) 0)) (and (<= (mod |v_ULTIMATE.start_main_~_hf_bkt~0#1_19| 4294967296) 2147483647) (= (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~users~0#1.base|) 8)) (* (mod |v_ULTIMATE.start_main_~_hf_bkt~0#1_19| 4294967296) 12))) 0))))) (= ~count_int_int~0 0) (= |ULTIMATE.start_main_~#i~0#1.offset| 0))' at error location [2024-11-14 04:50:59,868 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 04:50:59,868 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 04:50:59,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-14 04:50:59,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45907098] [2024-11-14 04:50:59,868 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 04:50:59,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-14 04:50:59,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:50:59,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-14 04:50:59,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=1400, Unknown=77, NotChecked=78, Total=1722 [2024-11-14 04:50:59,871 INFO L87 Difference]: Start difference. First operand 132 states and 157 transitions. Second operand has 10 states, 7 states have (on average 11.0) internal successors, (77), 10 states have internal predecessors, (77), 2 states have call successors, (3), 1 states have call predecessors, (3), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-14 04:51:01,995 WARN L539 Checker$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 04:51:03,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:51:05,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:51:07,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:51:09,976 WARN L539 Checker$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 04:51:11,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:51:13,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:51:16,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:51:18,930 WARN L539 Checker$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 04:51:20,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:51:22,938 WARN L539 Checker$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 04:51:24,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:51:26,950 WARN L539 Checker$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 04:51:28,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:51:30,965 WARN L539 Checker$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 04:51:32,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:51:34,979 WARN L539 Checker$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 04:51:36,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:51:36,617 INFO L93 Difference]: Finished difference Result 253 states and 310 transitions. [2024-11-14 04:51:36,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-14 04:51:36,619 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), 1 states have call predecessors, (3), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 73 [2024-11-14 04:51:36,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:51:36,621 INFO L225 Difference]: With dead ends: 253 [2024-11-14 04:51:36,621 INFO L226 Difference]: Without dead ends: 141 [2024-11-14 04:51:36,623 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 179 SyntacticMatches, 3 SemanticMatches, 45 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 538 ImplicationChecksByTransitivity, 535.5s TimeCoverageRelationStatistics Valid=208, Invalid=1789, Unknown=77, NotChecked=88, Total=2162 [2024-11-14 04:51:36,624 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 5 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 7 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:51:36,625 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 564 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 139 Invalid, 14 Unknown, 0 Unchecked, 36.1s Time] [2024-11-14 04:51:36,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-11-14 04:51:36,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 140. [2024-11-14 04:51:36,639 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, (10), 4 states have call predecessors, (10), 8 states have call successors, (10) [2024-11-14 04:51:36,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 171 transitions. [2024-11-14 04:51:36,641 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 171 transitions. Word has length 73 [2024-11-14 04:51:36,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:51:36,642 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 171 transitions. [2024-11-14 04:51:36,642 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), 1 states have call predecessors, (3), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-14 04:51:36,642 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 171 transitions. [2024-11-14 04:51:36,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-14 04:51:36,646 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:51:36,646 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 04:51:36,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc96e8c6-e9c2-4f83-97c0-4d37f9ab09b0/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-14 04:51:36,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc96e8c6-e9c2-4f83-97c0-4d37f9ab09b0/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:51:36,847 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:51:36,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:51:36,847 INFO L85 PathProgramCache]: Analyzing trace with hash 695646020, now seen corresponding path program 2 times [2024-11-14 04:51:36,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:51:36,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702001496] [2024-11-14 04:51:36,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:51:36,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:51:37,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:51:38,901 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-14 04:51:38,901 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:51:38,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702001496] [2024-11-14 04:51:38,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702001496] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:51:38,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1561781196] [2024-11-14 04:51:38,901 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-14 04:51:38,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:51:38,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc96e8c6-e9c2-4f83-97c0-4d37f9ab09b0/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:51:38,904 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc96e8c6-e9c2-4f83-97c0-4d37f9ab09b0/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:51:38,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc96e8c6-e9c2-4f83-97c0-4d37f9ab09b0/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process