./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdac30b8-fbd7-4e0f-8a36-b78b7a387a1c/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdac30b8-fbd7-4e0f-8a36-b78b7a387a1c/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_cdac30b8-fbd7-4e0f-8a36-b78b7a387a1c/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdac30b8-fbd7-4e0f-8a36-b78b7a387a1c/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdac30b8-fbd7-4e0f-8a36-b78b7a387a1c/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_cdac30b8-fbd7-4e0f-8a36-b78b7a387a1c/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 64683904124af3c899dbc8dc5465d8741c0ff10567af23b7315c834db1157458 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:53:04,901 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:53:04,975 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdac30b8-fbd7-4e0f-8a36-b78b7a387a1c/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 03:53:04,981 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:53:04,981 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:53:05,009 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:53:05,010 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:53:05,010 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:53:05,011 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:53:05,011 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:53:05,011 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:53:05,011 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:53:05,011 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:53:05,012 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 03:53:05,012 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:53:05,012 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:53:05,012 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 03:53:05,012 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 03:53:05,012 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:53:05,013 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 03:53:05,013 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 03:53:05,013 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 03:53:05,014 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:53:05,014 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:53:05,014 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:53:05,014 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 03:53:05,014 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:53:05,014 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:53:05,015 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:53:05,015 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:53:05,015 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:53:05,015 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:53:05,015 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:53:05,016 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:53:05,016 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:53:05,016 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:53:05,016 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:53:05,016 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:53:05,017 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:53:05,017 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:53:05,017 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:53:05,017 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:53:05,017 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 03:53:05,017 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 03:53:05,017 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:53:05,018 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:53:05,018 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 03:53:05,018 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_cdac30b8-fbd7-4e0f-8a36-b78b7a387a1c/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 -> 64683904124af3c899dbc8dc5465d8741c0ff10567af23b7315c834db1157458 [2024-11-14 03:53:05,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:53:05,331 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:53:05,333 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:53:05,335 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:53:05,335 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:53:05,337 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdac30b8-fbd7-4e0f-8a36-b78b7a387a1c/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-2.i Unable to find full path for "g++" [2024-11-14 03:53:07,433 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:53:08,013 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:53:08,014 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdac30b8-fbd7-4e0f-8a36-b78b7a387a1c/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-2.i [2024-11-14 03:53:08,048 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdac30b8-fbd7-4e0f-8a36-b78b7a387a1c/bin/utaipan-verify-sOmjnqqW8E/data/d53e056b3/9ae69eb2160e470db5ad787b62d477b8/FLAGdabe8211b [2024-11-14 03:53:08,067 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdac30b8-fbd7-4e0f-8a36-b78b7a387a1c/bin/utaipan-verify-sOmjnqqW8E/data/d53e056b3/9ae69eb2160e470db5ad787b62d477b8 [2024-11-14 03:53:08,070 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:53:08,072 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:53:08,073 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:53:08,074 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:53:08,080 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:53:08,081 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:53:08" (1/1) ... [2024-11-14 03:53:08,082 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63674613 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:53:08, skipping insertion in model container [2024-11-14 03:53:08,083 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:53:08" (1/1) ... [2024-11-14 03:53:08,136 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:53:08,768 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_cdac30b8-fbd7-4e0f-8a36-b78b7a387a1c/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-2.i[33021,33034] [2024-11-14 03:53:08,987 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:53:09,013 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:53:09,092 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_cdac30b8-fbd7-4e0f-8a36-b78b7a387a1c/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test4-2.i[33021,33034] [2024-11-14 03:53:09,267 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:53:09,313 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:53:09,313 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:53:09 WrapperNode [2024-11-14 03:53:09,314 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:53:09,316 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:53:09,317 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:53:09,318 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:53:09,326 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:53:09" (1/1) ... [2024-11-14 03:53:09,352 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:53:09" (1/1) ... [2024-11-14 03:53:09,441 INFO L138 Inliner]: procedures = 176, calls = 386, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1713 [2024-11-14 03:53:09,441 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:53:09,442 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:53:09,442 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:53:09,442 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:53:09,459 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:53:09" (1/1) ... [2024-11-14 03:53:09,459 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:53:09" (1/1) ... [2024-11-14 03:53:09,477 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:53:09" (1/1) ... [2024-11-14 03:53:09,477 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:53:09" (1/1) ... [2024-11-14 03:53:09,541 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:53:09" (1/1) ... [2024-11-14 03:53:09,568 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:53:09" (1/1) ... [2024-11-14 03:53:09,582 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:53:09" (1/1) ... [2024-11-14 03:53:09,591 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:53:09" (1/1) ... [2024-11-14 03:53:09,616 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:53:09,618 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:53:09,619 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:53:09,619 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:53:09,621 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:53:09" (1/1) ... [2024-11-14 03:53:09,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:53:09,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdac30b8-fbd7-4e0f-8a36-b78b7a387a1c/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:53:09,682 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdac30b8-fbd7-4e0f-8a36-b78b7a387a1c/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:53:09,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdac30b8-fbd7-4e0f-8a36-b78b7a387a1c/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:53:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 03:53:09,721 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-14 03:53:09,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-14 03:53:09,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 03:53:09,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-14 03:53:09,723 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-14 03:53:09,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-14 03:53:09,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:53:09,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-14 03:53:09,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-14 03:53:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 03:53:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 03:53:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:53:09,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:53:10,109 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:53:10,114 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:53:13,210 INFO L? ?]: Removed 410 outVars from TransFormulas that were not future-live. [2024-11-14 03:53:13,211 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:53:15,739 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:53:15,740 INFO L316 CfgBuilder]: Removed 69 assume(true) statements. [2024-11-14 03:53:15,744 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:53:15 BoogieIcfgContainer [2024-11-14 03:53:15,744 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:53:15,748 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:53:15,749 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:53:15,759 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:53:15,760 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:53:08" (1/3) ... [2024-11-14 03:53:15,761 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@376fd6e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:53:15, skipping insertion in model container [2024-11-14 03:53:15,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:53:09" (2/3) ... [2024-11-14 03:53:15,762 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@376fd6e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:53:15, skipping insertion in model container [2024-11-14 03:53:15,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:53:15" (3/3) ... [2024-11-14 03:53:15,764 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test4-2.i [2024-11-14 03:53:15,787 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:53:15,789 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_SFH_test4-2.i that has 3 procedures, 150 locations, 1 initial locations, 40 loop locations, and 1 error locations. [2024-11-14 03:53:15,881 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:53:15,903 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;@23fcde98, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:53:15,904 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:53:15,910 INFO L276 IsEmpty]: Start isEmpty. Operand has 150 states, 130 states have (on average 1.7384615384615385) internal successors, (226), 141 states have internal predecessors, (226), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-14 03:53:15,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-14 03:53:15,921 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:53:15,922 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:53:15,923 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:53:15,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:53:15,930 INFO L85 PathProgramCache]: Analyzing trace with hash 133677934, now seen corresponding path program 1 times [2024-11-14 03:53:15,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:53:15,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950385778] [2024-11-14 03:53:15,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:53:15,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:53:16,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:53:16,251 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 03:53:16,252 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:53:16,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950385778] [2024-11-14 03:53:16,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950385778] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:53:16,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:53:16,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 03:53:16,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011578137] [2024-11-14 03:53:16,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:53:16,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 03:53:16,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:53:16,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 03:53:16,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:53:16,301 INFO L87 Difference]: Start difference. First operand has 150 states, 130 states have (on average 1.7384615384615385) internal successors, (226), 141 states have internal predecessors, (226), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:53:18,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:53:20,392 WARN L539 Checker$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 03:53:23,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:53:25,197 WARN L539 Checker$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 03:53:27,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:53:29,215 WARN L539 Checker$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 03:53:31,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:53:33,370 WARN L539 Checker$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 03:53:35,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:53:37,386 WARN L539 Checker$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 03:53:39,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-14 03:53:41,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-14 03:53:42,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:53:42,768 INFO L93 Difference]: Finished difference Result 401 states and 704 transitions. [2024-11-14 03:53:42,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 03:53:42,777 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-14 03:53:42,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:53:42,788 INFO L225 Difference]: With dead ends: 401 [2024-11-14 03:53:42,788 INFO L226 Difference]: Without dead ends: 236 [2024-11-14 03:53:42,793 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 03:53:42,800 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 105 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 0 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.4s IncrementalHoareTripleChecker+Time [2024-11-14 03:53:42,802 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 318 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 64 Invalid, 11 Unknown, 0 Unchecked, 26.4s Time] [2024-11-14 03:53:42,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-11-14 03:53:42,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 135. [2024-11-14 03:53:42,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 116 states have (on average 1.1982758620689655) internal successors, (139), 126 states have internal predecessors, (139), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-14 03:53:42,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 171 transitions. [2024-11-14 03:53:42,884 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 171 transitions. Word has length 8 [2024-11-14 03:53:42,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:53:42,884 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 171 transitions. [2024-11-14 03:53:42,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:53:42,885 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 171 transitions. [2024-11-14 03:53:42,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-14 03:53:42,893 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:53:42,893 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:53:42,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 03:53:42,894 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:53:42,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:53:42,895 INFO L85 PathProgramCache]: Analyzing trace with hash -895115562, now seen corresponding path program 1 times [2024-11-14 03:53:42,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:53:42,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488172315] [2024-11-14 03:53:42,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:53:42,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:53:43,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:53:43,919 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:53:43,919 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:53:43,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488172315] [2024-11-14 03:53:43,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488172315] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:53:43,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:53:43,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 03:53:43,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206483251] [2024-11-14 03:53:43,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:53:43,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 03:53:43,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:53:43,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 03:53:43,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:53:43,924 INFO L87 Difference]: Start difference. First operand 135 states and 171 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 2 states have internal predecessors, (59), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:53:45,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:53:47,968 WARN L539 Checker$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 03:53:49,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:53:51,548 WARN L539 Checker$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 03:53:53,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:53:55,818 WARN L539 Checker$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 03:53:57,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:53:59,834 WARN L539 Checker$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 03:54:01,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:54:01,182 INFO L93 Difference]: Finished difference Result 282 states and 356 transitions. [2024-11-14 03:54:01,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 03:54:01,188 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 2 states have internal predecessors, (59), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2024-11-14 03:54:01,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:54:01,190 INFO L225 Difference]: With dead ends: 282 [2024-11-14 03:54:01,190 INFO L226 Difference]: Without dead ends: 149 [2024-11-14 03:54:01,191 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 03:54:01,194 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 4 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 0 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.2s IncrementalHoareTripleChecker+Time [2024-11-14 03:54:01,195 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 284 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 50 Invalid, 7 Unknown, 0 Unchecked, 17.2s Time] [2024-11-14 03:54:01,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-11-14 03:54:01,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2024-11-14 03:54:01,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 130 states have (on average 1.1846153846153846) internal successors, (154), 140 states have internal predecessors, (154), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-14 03:54:01,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 186 transitions. [2024-11-14 03:54:01,223 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 186 transitions. Word has length 60 [2024-11-14 03:54:01,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:54:01,224 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 186 transitions. [2024-11-14 03:54:01,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 2 states have internal predecessors, (59), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:54:01,225 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 186 transitions. [2024-11-14 03:54:01,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-14 03:54:01,230 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:54:01,230 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1] [2024-11-14 03:54:01,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 03:54:01,231 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:54:01,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:54:01,231 INFO L85 PathProgramCache]: Analyzing trace with hash 241909040, now seen corresponding path program 1 times [2024-11-14 03:54:01,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:54:01,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798220875] [2024-11-14 03:54:01,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:54:01,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:54:01,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:54:01,897 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-14 03:54:01,898 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:54:01,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798220875] [2024-11-14 03:54:01,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798220875] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:54:01,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:54:01,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 03:54:01,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742733335] [2024-11-14 03:54:01,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:54:01,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 03:54:01,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:54:01,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 03:54:01,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:54:01,901 INFO L87 Difference]: Start difference. First operand 149 states and 186 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-14 03:54:03,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:54:05,264 WARN L539 Checker$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 03:54:08,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:54:10,858 WARN L539 Checker$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 03:54:12,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:54:14,873 WARN L539 Checker$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 03:54:16,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:54:18,945 WARN L539 Checker$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 03:54:20,948 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 03:54:22,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:54:22,473 INFO L93 Difference]: Finished difference Result 330 states and 411 transitions. [2024-11-14 03:54:22,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 03:54:22,480 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 73 [2024-11-14 03:54:22,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:54:22,482 INFO L225 Difference]: With dead ends: 330 [2024-11-14 03:54:22,482 INFO L226 Difference]: Without dead ends: 197 [2024-11-14 03:54:22,484 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:54:22,485 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 23 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.5s IncrementalHoareTripleChecker+Time [2024-11-14 03:54:22,485 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 284 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 8 Unknown, 0 Unchecked, 20.5s Time] [2024-11-14 03:54:22,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2024-11-14 03:54:22,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2024-11-14 03:54:22,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 175 states have (on average 1.16) internal successors, (203), 185 states have internal predecessors, (203), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 10 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-14 03:54:22,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 241 transitions. [2024-11-14 03:54:22,505 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 241 transitions. Word has length 73 [2024-11-14 03:54:22,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:54:22,506 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 241 transitions. [2024-11-14 03:54:22,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-14 03:54:22,506 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 241 transitions. [2024-11-14 03:54:22,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-14 03:54:22,508 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:54:22,508 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:54:22,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 03:54:22,509 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:54:22,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:54:22,510 INFO L85 PathProgramCache]: Analyzing trace with hash -236790746, now seen corresponding path program 1 times [2024-11-14 03:54:22,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:54:22,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945681565] [2024-11-14 03:54:22,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:54:22,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:54:22,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:54:23,428 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-14 03:54:23,429 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:54:23,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945681565] [2024-11-14 03:54:23,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945681565] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:54:23,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1420990837] [2024-11-14 03:54:23,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:54:23,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:54:23,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdac30b8-fbd7-4e0f-8a36-b78b7a387a1c/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:54:23,436 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdac30b8-fbd7-4e0f-8a36-b78b7a387a1c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:54:23,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdac30b8-fbd7-4e0f-8a36-b78b7a387a1c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 03:54:24,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:54:24,218 INFO L255 TraceCheckSpWp]: Trace formula consists of 804 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 03:54:24,227 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:54:24,472 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-14 03:54:24,472 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:54:24,707 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-14 03:54:24,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1420990837] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:54:24,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [873623089] [2024-11-14 03:54:24,740 INFO L159 IcfgInterpreter]: Started Sifa with 77 locations of interest [2024-11-14 03:54:24,740 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 03:54:24,744 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 03:54:24,750 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 03:54:24,751 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 03:54:31,339 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 121 for LOIs [2024-11-14 03:54:31,378 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 03:54:42,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [873623089] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:54:42,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-14 03:54:42,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4, 4] total 18 [2024-11-14 03:54:42,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898941711] [2024-11-14 03:54:42,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:54:42,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-14 03:54:42,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:54:42,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-14 03:54:42,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=201, Unknown=7, NotChecked=0, Total=306 [2024-11-14 03:54:42,167 INFO L87 Difference]: Start difference. First operand 197 states and 241 transitions. Second operand has 13 states, 12 states have (on average 5.916666666666667) internal successors, (71), 11 states have internal predecessors, (71), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-14 03:54:44,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-14 03:54:46,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:54:48,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:54:50,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:54:52,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:54:54,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:54:56,990 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:54:58,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:55:01,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:55:03,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:55:05,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:55:07,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:55:09,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:55:11,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:55:14,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:55:16,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:55:18,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:55:20,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:55:26,490 WARN L539 Checker$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 03:55:28,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:55:30,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:55:32,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:55:34,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:55:36,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:55:38,551 WARN L539 Checker$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 03:55:40,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:55:42,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:55:44,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:55:46,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:55:48,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:55:50,597 WARN L539 Checker$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 03:55:52,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:55:54,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:55:56,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:55:58,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:56:00,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:56:02,631 WARN L539 Checker$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 03:56:04,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:56:06,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:56:08,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:56:10,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:56:12,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:56:17,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-14 03:56:19,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-14 03:56:23,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:56:25,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:56:27,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:56:29,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:56:31,272 WARN L539 Checker$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 03:56:33,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:56:35,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:56:37,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:56:39,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:56:41,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:56:43,319 WARN L539 Checker$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 03:56:45,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:56:47,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:56:49,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:56:51,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:56:53,339 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 [0] [2024-11-14 03:56:56,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:56:56,549 INFO L93 Difference]: Finished difference Result 388 states and 478 transitions. [2024-11-14 03:56:56,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-14 03:56:56,555 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.916666666666667) internal successors, (71), 11 states have internal predecessors, (71), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 86 [2024-11-14 03:56:56,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:56:56,557 INFO L225 Difference]: With dead ends: 388 [2024-11-14 03:56:56,557 INFO L226 Difference]: Without dead ends: 196 [2024-11-14 03:56:56,558 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 11.1s TimeCoverageRelationStatistics Valid=108, Invalid=227, Unknown=7, NotChecked=0, Total=342 [2024-11-14 03:56:56,558 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 5 mSDsluCounter, 928 mSDsCounter, 0 mSdLazyCounter, 606 mSolverCounterSat, 2 mSolverCounterUnsat, 58 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 132.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1067 SdHoareTripleChecker+Invalid, 666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 606 IncrementalHoareTripleChecker+Invalid, 58 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 134.0s IncrementalHoareTripleChecker+Time [2024-11-14 03:56:56,559 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1067 Invalid, 666 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 606 Invalid, 58 Unknown, 0 Unchecked, 134.0s Time] [2024-11-14 03:56:56,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2024-11-14 03:56:56,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2024-11-14 03:56:56,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 174 states have (on average 1.1551724137931034) internal successors, (201), 183 states have internal predecessors, (201), 19 states have call successors, (19), 3 states have call predecessors, (19), 2 states have return successors, (19), 10 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-14 03:56:56,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 239 transitions. [2024-11-14 03:56:56,588 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 239 transitions. Word has length 86 [2024-11-14 03:56:56,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:56:56,588 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 239 transitions. [2024-11-14 03:56:56,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.916666666666667) internal successors, (71), 11 states have internal predecessors, (71), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-14 03:56:56,588 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 239 transitions. [2024-11-14 03:56:56,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-14 03:56:56,593 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:56:56,594 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:56:56,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdac30b8-fbd7-4e0f-8a36-b78b7a387a1c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-14 03:56:56,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdac30b8-fbd7-4e0f-8a36-b78b7a387a1c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:56:56,794 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:56:56,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:56:56,795 INFO L85 PathProgramCache]: Analyzing trace with hash 647648670, now seen corresponding path program 1 times [2024-11-14 03:56:56,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:56:56,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240731335] [2024-11-14 03:56:56,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:56:56,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:56:56,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:56:57,387 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-14 03:56:57,388 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:56:57,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240731335] [2024-11-14 03:56:57,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240731335] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:56:57,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [539579395] [2024-11-14 03:56:57,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:56:57,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:56:57,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdac30b8-fbd7-4e0f-8a36-b78b7a387a1c/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:56:57,391 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdac30b8-fbd7-4e0f-8a36-b78b7a387a1c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:56:57,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdac30b8-fbd7-4e0f-8a36-b78b7a387a1c/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-14 03:56:58,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:56:58,026 INFO L255 TraceCheckSpWp]: Trace formula consists of 819 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 03:56:58,033 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:56:58,289 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-14 03:56:58,291 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:56:58,596 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-14 03:56:58,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [539579395] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:56:58,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1888790705] [2024-11-14 03:56:58,599 INFO L159 IcfgInterpreter]: Started Sifa with 77 locations of interest [2024-11-14 03:56:58,603 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 03:56:58,604 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 03:56:58,604 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 03:56:58,604 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 03:58:10,346 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 26 for LOIs [2024-11-14 03:58:10,356 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 146 for LOIs [2024-11-14 03:58:10,521 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 03:58:36,002 WARN L286 SmtUtils]: Spent 7.02s on a formula simplification that was a NOOP. DAG size: 178 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:58:43,163 WARN L286 SmtUtils]: Spent 6.03s on a formula simplification that was a NOOP. DAG size: 183 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:58:45,179 WARN L851 $PredicateComparison]: unable to prove that (and (<= |c_ULTIMATE.start_main_~i~0#1| 9) (= |c_ULTIMATE.start_main_~user~0#1.offset| 0) (= |c_ULTIMATE.start_main_~altusers~0#1.offset| 0) (let ((.cse0 (exists ((|v_#Ultimate.C_memset_#t~loopctr355_39| Int)) (and (<= 0 |v_#Ultimate.C_memset_#t~loopctr355_39|) (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr355_39| 4294967296)))))) (or (and .cse0 (exists ((|v_#memory_$Pointer$.base_728| (Array Int (Array Int Int))) (|v_#memory_int_778| (Array Int (Array Int Int))) (|v_#memory_int_215| (Array Int (Array Int Int))) (|v_#memory_int_216| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_728| (Array Int (Array Int Int))) (|v_#valid_107| (Array Int Int)) (|v_#length_66| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_55| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc57#1.base_6| Int) (|v_#memory_$Pointer$.base_213| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_212| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_211| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_211| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_212| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_213| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_BEFORE_CALL_95| (Array Int (Array Int Int)))) (let ((.cse18 (select (select |v_#memory_$Pointer$.base_728| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse19 (+ 16 (select (select |v_#memory_$Pointer$.offset_728| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse8 (select (select |v_#memory_$Pointer$.base_212| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse9 (select (select |v_#memory_$Pointer$.offset_212| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (let ((.cse15 (store |v_#memory_$Pointer$.offset_212| .cse8 (store (select |v_#memory_$Pointer$.offset_212| .cse8) .cse9 0))) (.cse21 (store |v_#memory_$Pointer$.base_212| .cse8 (store (select |v_#memory_$Pointer$.base_212| .cse8) .cse9 |v_ULTIMATE.start_main_#t~malloc57#1.base_6|))) (.cse20 (store |v_#memory_$Pointer$.offset_728| .cse18 (store (select |v_#memory_$Pointer$.offset_728| .cse18) .cse19 8))) (.cse14 (store |v_#memory_$Pointer$.base_728| .cse18 (store (select |v_#memory_$Pointer$.base_728| .cse18) .cse19 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse22 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_55| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse23 (select (select |v_#memory_$Pointer$.offset_BEFORE_CALL_95| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (let ((.cse5 (select (select |v_#memory_$Pointer$.base_211| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse6 (+ (select (select |v_#memory_$Pointer$.offset_211| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse2 (select (select |v_#memory_$Pointer$.offset_BEFORE_CALL_95| .cse22) .cse23)) (.cse1 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_55| .cse22) .cse23)) (.cse3 (select (select |v_#memory_$Pointer$.base_213| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse4 (+ (select (select |v_#memory_$Pointer$.offset_213| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse12 (select (select .cse14 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse13 (+ 4 (select (select .cse20 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse16 (select (select .cse21 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse17 (+ 40 (select (select .cse15 |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (and (or (not (= .cse1 0)) (not (= .cse2 0))) (= |c_#valid| (store |v_#valid_107| |v_ULTIMATE.start_main_#t~malloc57#1.base_6| 1)) (= (store |v_#memory_$Pointer$.offset_213| .cse3 (store (select |v_#memory_$Pointer$.offset_213| .cse3) .cse4 (select (select |v_#memory_$Pointer$.offset_212| .cse3) .cse4))) |v_#memory_$Pointer$.offset_212|) (= (store |v_#memory_$Pointer$.base_211| .cse5 (store (select |v_#memory_$Pointer$.base_211| .cse5) .cse6 (select (select |v_#memory_$Pointer$.base_213| .cse5) .cse6))) |v_#memory_$Pointer$.base_213|) (= (let ((.cse7 (let ((.cse10 (let ((.cse11 (store |v_#memory_int_215| .cse12 (store (select |v_#memory_int_215| .cse12) .cse13 32)))) (store .cse11 .cse5 (store (select .cse11 .cse5) .cse6 5))))) (store .cse10 .cse3 (store (select .cse10 .cse3) .cse4 8))))) (store .cse7 .cse8 (store (select .cse7 .cse8) .cse9 (select (select |v_#memory_int_216| .cse8) .cse9)))) |v_#memory_int_216|) (= (store |v_#memory_$Pointer$.offset_211| .cse5 (store (select |v_#memory_$Pointer$.offset_211| .cse5) .cse6 (select (select |v_#memory_$Pointer$.offset_213| .cse5) .cse6))) |v_#memory_$Pointer$.offset_213|) (= |v_#memory_$Pointer$.base_211| (store .cse14 .cse12 (store (select .cse14 .cse12) .cse13 (select (select |v_#memory_$Pointer$.base_211| .cse12) .cse13)))) (not (= |v_ULTIMATE.start_main_#t~malloc57#1.base_6| 0)) (= |c_#length| (store |v_#length_66| |v_ULTIMATE.start_main_#t~malloc57#1.base_6| 384)) (= .cse2 |c_ULTIMATE.start_main_#t~mem63#1.offset|) (= (select |v_#valid_107| |v_ULTIMATE.start_main_#t~malloc57#1.base_6|) 0) (= |c_ULTIMATE.start_main_#t~mem63#1.base| .cse1) (= (store .cse15 .cse16 (store (select .cse15 .cse16) .cse17 (select (select |v_#memory_$Pointer$.offset_BEFORE_CALL_95| .cse16) .cse17))) |v_#memory_$Pointer$.offset_BEFORE_CALL_95|) (<= (+ |v_ULTIMATE.start_main_#t~malloc57#1.base_6| 1) |c_#StackHeapBarrier|) (= (store |v_#memory_int_778| .cse18 (store (select |v_#memory_int_778| .cse18) .cse19 (select (select |v_#memory_int_215| .cse18) .cse19))) |v_#memory_int_215|) (= (store |v_#memory_$Pointer$.base_213| .cse3 (store (select |v_#memory_$Pointer$.base_213| .cse3) .cse4 (select (select |v_#memory_$Pointer$.base_212| .cse3) .cse4))) |v_#memory_$Pointer$.base_212|) (= |v_#memory_$Pointer$.offset_211| (store .cse20 .cse12 (store (select .cse20 .cse12) .cse13 (select (select |v_#memory_$Pointer$.offset_211| .cse12) .cse13)))) (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_55| (store .cse21 .cse16 (store (select .cse21 .cse16) .cse17 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_55| .cse16) .cse17)))))))))) (and .cse0 (exists ((|v_#memory_$Pointer$.base_728| (Array Int (Array Int Int))) (|v_#memory_int_778| (Array Int (Array Int Int))) (|v_#memory_int_215| (Array Int (Array Int Int))) (|v_#memory_int_216| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_728| (Array Int (Array Int Int))) (|v_#valid_107| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_56| (Array Int (Array Int Int))) (|v_#length_66| (Array Int Int)) (|v_#memory_$Pointer$.offset_BEFORE_CALL_97| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc57#1.base_6| Int) (|v_#memory_$Pointer$.base_213| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_212| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_211| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_211| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_212| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_213| (Array Int (Array Int Int)))) (let ((.cse29 (select (select |v_#memory_$Pointer$.base_212| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse30 (select (select |v_#memory_$Pointer$.offset_212| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse42 (select (select |v_#memory_$Pointer$.base_728| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse43 (+ 16 (select (select |v_#memory_$Pointer$.offset_728| |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (let ((.cse44 (store |v_#memory_$Pointer$.offset_728| .cse42 (store (select |v_#memory_$Pointer$.offset_728| .cse42) .cse43 8))) (.cse39 (store |v_#memory_$Pointer$.base_728| .cse42 (store (select |v_#memory_$Pointer$.base_728| .cse42) .cse43 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse36 (store |v_#memory_$Pointer$.offset_212| .cse29 (store (select |v_#memory_$Pointer$.offset_212| .cse29) .cse30 0))) (.cse41 (store |v_#memory_$Pointer$.base_212| .cse29 (store (select |v_#memory_$Pointer$.base_212| .cse29) .cse30 |v_ULTIMATE.start_main_#t~malloc57#1.base_6|))) (.cse45 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_56| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse46 (select (select |v_#memory_$Pointer$.offset_BEFORE_CALL_97| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (let ((.cse26 (select (select |v_#memory_$Pointer$.base_211| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse27 (+ (select (select |v_#memory_$Pointer$.offset_211| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse35 (select (select |v_#memory_$Pointer$.offset_BEFORE_CALL_97| .cse45) .cse46)) (.cse37 (select (select .cse41 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse38 (+ 40 (select (select .cse36 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse24 (select (select |v_#memory_$Pointer$.base_213| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse25 (+ (select (select |v_#memory_$Pointer$.offset_213| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse33 (select (select .cse39 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse34 (+ 4 (select (select .cse44 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse40 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_56| .cse45) .cse46))) (and (= |c_#valid| (store |v_#valid_107| |v_ULTIMATE.start_main_#t~malloc57#1.base_6| 1)) (= (store |v_#memory_$Pointer$.offset_213| .cse24 (store (select |v_#memory_$Pointer$.offset_213| .cse24) .cse25 (select (select |v_#memory_$Pointer$.offset_212| .cse24) .cse25))) |v_#memory_$Pointer$.offset_212|) (= (store |v_#memory_$Pointer$.base_211| .cse26 (store (select |v_#memory_$Pointer$.base_211| .cse26) .cse27 (select (select |v_#memory_$Pointer$.base_213| .cse26) .cse27))) |v_#memory_$Pointer$.base_213|) (= (let ((.cse28 (let ((.cse31 (let ((.cse32 (store |v_#memory_int_215| .cse33 (store (select |v_#memory_int_215| .cse33) .cse34 32)))) (store .cse32 .cse26 (store (select .cse32 .cse26) .cse27 5))))) (store .cse31 .cse24 (store (select .cse31 .cse24) .cse25 8))))) (store .cse28 .cse29 (store (select .cse28 .cse29) .cse30 (select (select |v_#memory_int_216| .cse29) .cse30)))) |v_#memory_int_216|) (= |c_ULTIMATE.start_main_#t~mem63#1.offset| .cse35) (= (store .cse36 .cse37 (store (select .cse36 .cse37) .cse38 (select (select |v_#memory_$Pointer$.offset_BEFORE_CALL_97| .cse37) .cse38))) |v_#memory_$Pointer$.offset_BEFORE_CALL_97|) (= (store |v_#memory_$Pointer$.offset_211| .cse26 (store (select |v_#memory_$Pointer$.offset_211| .cse26) .cse27 (select (select |v_#memory_$Pointer$.offset_213| .cse26) .cse27))) |v_#memory_$Pointer$.offset_213|) (= |v_#memory_$Pointer$.base_211| (store .cse39 .cse33 (store (select .cse39 .cse33) .cse34 (select (select |v_#memory_$Pointer$.base_211| .cse33) .cse34)))) (not (= |v_ULTIMATE.start_main_#t~malloc57#1.base_6| 0)) (= |c_#length| (store |v_#length_66| |v_ULTIMATE.start_main_#t~malloc57#1.base_6| 384)) (or (not (= 0 .cse35)) (not (= .cse40 0))) (= (select |v_#valid_107| |v_ULTIMATE.start_main_#t~malloc57#1.base_6|) 0) (= (store .cse41 .cse37 (store (select .cse41 .cse37) .cse38 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_56| .cse37) .cse38))) |v_old(#memory_$Pointer$.base)_AFTER_CALL_56|) (<= (+ |v_ULTIMATE.start_main_#t~malloc57#1.base_6| 1) |c_#StackHeapBarrier|) (= (store |v_#memory_int_778| .cse42 (store (select |v_#memory_int_778| .cse42) .cse43 (select (select |v_#memory_int_215| .cse42) .cse43))) |v_#memory_int_215|) (= (store |v_#memory_$Pointer$.base_213| .cse24 (store (select |v_#memory_$Pointer$.base_213| .cse24) .cse25 (select (select |v_#memory_$Pointer$.base_212| .cse24) .cse25))) |v_#memory_$Pointer$.base_212|) (= |v_#memory_$Pointer$.offset_211| (store .cse44 .cse33 (store (select .cse44 .cse33) .cse34 (select (select |v_#memory_$Pointer$.offset_211| .cse33) .cse34)))) (= |c_ULTIMATE.start_main_#t~mem63#1.base| .cse40)))))))))) is different from false [2024-11-14 03:59:35,506 WARN L286 SmtUtils]: Spent 22.69s on a formula simplification that was a NOOP. DAG size: 210 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:04:21,636 WARN L286 SmtUtils]: Spent 3.16m on a formula simplification that was a NOOP. DAG size: 307 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)