./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-properties/simple_built_from_end.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_53eaaf69-bbc6-4e61-af75-258c13f8c4fa/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaaf69-bbc6-4e61-af75-258c13f8c4fa/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_53eaaf69-bbc6-4e61-af75-258c13f8c4fa/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaaf69-bbc6-4e61-af75-258c13f8c4fa/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/list-properties/simple_built_from_end.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaaf69-bbc6-4e61-af75-258c13f8c4fa/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_53eaaf69-bbc6-4e61-af75-258c13f8c4fa/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 0eb3d3e07cae1efa9dc9af5091aea6a309746434756c62bcf3ece83b84aec27a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:25:58,487 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:25:58,607 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaaf69-bbc6-4e61-af75-258c13f8c4fa/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 03:25:58,616 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:25:58,617 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:25:58,658 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:25:58,658 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:25:58,659 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:25:58,659 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:25:58,659 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:25:58,659 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:25:58,659 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:25:58,659 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:25:58,660 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 03:25:58,660 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:25:58,660 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:25:58,660 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 03:25:58,660 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 03:25:58,660 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:25:58,660 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 03:25:58,660 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 03:25:58,660 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 03:25:58,661 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:25:58,661 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:25:58,661 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:25:58,661 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 03:25:58,661 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:25:58,661 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:25:58,662 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:25:58,662 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:25:58,662 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:25:58,662 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:25:58,662 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:25:58,662 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:25:58,663 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:25:58,663 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:25:58,663 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:25:58,664 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:25:58,664 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:25:58,664 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:25:58,664 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:25:58,664 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:25:58,665 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 03:25:58,665 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 03:25:58,665 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:25:58,665 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:25:58,665 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 03:25:58,665 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_53eaaf69-bbc6-4e61-af75-258c13f8c4fa/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 -> 0eb3d3e07cae1efa9dc9af5091aea6a309746434756c62bcf3ece83b84aec27a [2024-11-14 03:25:59,015 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:25:59,033 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:25:59,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:25:59,039 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:25:59,040 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:25:59,043 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaaf69-bbc6-4e61-af75-258c13f8c4fa/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/list-properties/simple_built_from_end.i Unable to find full path for "g++" [2024-11-14 03:26:01,219 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:26:01,658 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:26:01,659 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaaf69-bbc6-4e61-af75-258c13f8c4fa/sv-benchmarks/c/list-properties/simple_built_from_end.i [2024-11-14 03:26:01,676 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaaf69-bbc6-4e61-af75-258c13f8c4fa/bin/utaipan-verify-sOmjnqqW8E/data/f5f7c512f/f5b60713f420467eb165cee733d2b0ce/FLAG6f92a99de [2024-11-14 03:26:01,818 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaaf69-bbc6-4e61-af75-258c13f8c4fa/bin/utaipan-verify-sOmjnqqW8E/data/f5f7c512f/f5b60713f420467eb165cee733d2b0ce [2024-11-14 03:26:01,821 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:26:01,823 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:26:01,824 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:26:01,825 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:26:01,830 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:26:01,831 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:26:01" (1/1) ... [2024-11-14 03:26:01,832 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64be18ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:26:01, skipping insertion in model container [2024-11-14 03:26:01,832 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:26:01" (1/1) ... [2024-11-14 03:26:01,871 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:26:02,216 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_53eaaf69-bbc6-4e61-af75-258c13f8c4fa/sv-benchmarks/c/list-properties/simple_built_from_end.i[23125,23138] [2024-11-14 03:26:02,221 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:26:02,232 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:26:02,312 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_53eaaf69-bbc6-4e61-af75-258c13f8c4fa/sv-benchmarks/c/list-properties/simple_built_from_end.i[23125,23138] [2024-11-14 03:26:02,317 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:26:02,359 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:26:02,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:26:02 WrapperNode [2024-11-14 03:26:02,360 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:26:02,361 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:26:02,361 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:26:02,361 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:26:02,369 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:26:02" (1/1) ... [2024-11-14 03:26:02,381 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:26:02" (1/1) ... [2024-11-14 03:26:02,397 INFO L138 Inliner]: procedures = 124, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2024-11-14 03:26:02,397 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:26:02,398 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:26:02,398 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:26:02,398 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:26:02,404 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:26:02" (1/1) ... [2024-11-14 03:26:02,405 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:26:02" (1/1) ... [2024-11-14 03:26:02,407 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:26:02" (1/1) ... [2024-11-14 03:26:02,407 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:26:02" (1/1) ... [2024-11-14 03:26:02,415 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:26:02" (1/1) ... [2024-11-14 03:26:02,425 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:26:02" (1/1) ... [2024-11-14 03:26:02,426 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:26:02" (1/1) ... [2024-11-14 03:26:02,431 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:26:02" (1/1) ... [2024-11-14 03:26:02,433 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:26:02,434 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:26:02,434 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:26:02,434 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:26:02,439 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:26:02" (1/1) ... [2024-11-14 03:26:02,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:26:02,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaaf69-bbc6-4e61-af75-258c13f8c4fa/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:26:02,485 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaaf69-bbc6-4e61-af75-258c13f8c4fa/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:26:02,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaaf69-bbc6-4e61-af75-258c13f8c4fa/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:26:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 03:26:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 03:26:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-14 03:26:02,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:26:02,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-14 03:26:02,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-14 03:26:02,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 03:26:02,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:26:02,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:26:02,666 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:26:02,668 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:26:02,838 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-14 03:26:02,838 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:26:02,891 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:26:02,893 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-14 03:26:02,894 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:26:02 BoogieIcfgContainer [2024-11-14 03:26:02,894 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:26:02,897 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:26:02,898 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:26:02,904 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:26:02,904 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:26:01" (1/3) ... [2024-11-14 03:26:02,905 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d5ed8e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:26:02, skipping insertion in model container [2024-11-14 03:26:02,906 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:26:02" (2/3) ... [2024-11-14 03:26:02,907 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d5ed8e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:26:02, skipping insertion in model container [2024-11-14 03:26:02,907 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:26:02" (3/3) ... [2024-11-14 03:26:02,908 INFO L112 eAbstractionObserver]: Analyzing ICFG simple_built_from_end.i [2024-11-14 03:26:02,928 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:26:02,931 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG simple_built_from_end.i that has 1 procedures, 11 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-11-14 03:26:03,007 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:26:03,025 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;@145b7684, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:26:03,026 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:26:03,031 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:26:03,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-14 03:26:03,039 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:26:03,040 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-14 03:26:03,041 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:26:03,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:26:03,049 INFO L85 PathProgramCache]: Analyzing trace with hash 71765623, now seen corresponding path program 1 times [2024-11-14 03:26:03,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:26:03,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161780160] [2024-11-14 03:26:03,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:26:03,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:26:03,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:26:03,230 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 03:26:03,231 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:26:03,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161780160] [2024-11-14 03:26:03,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161780160] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:26:03,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:26:03,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 03:26:03,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528738095] [2024-11-14 03:26:03,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:26:03,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 03:26:03,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:26:03,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 03:26:03,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 03:26:03,275 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:26:03,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:26:03,306 INFO L93 Difference]: Finished difference Result 17 states and 22 transitions. [2024-11-14 03:26:03,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 03:26:03,309 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-14 03:26:03,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:26:03,315 INFO L225 Difference]: With dead ends: 17 [2024-11-14 03:26:03,315 INFO L226 Difference]: Without dead ends: 9 [2024-11-14 03:26:03,318 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 03:26:03,321 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 03:26:03,322 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 03:26:03,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2024-11-14 03:26:03,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2024-11-14 03:26:03,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:26:03,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2024-11-14 03:26:03,364 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 10 transitions. Word has length 5 [2024-11-14 03:26:03,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:26:03,365 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 10 transitions. [2024-11-14 03:26:03,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:26:03,365 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2024-11-14 03:26:03,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-14 03:26:03,369 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:26:03,370 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-14 03:26:03,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 03:26:03,370 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:26:03,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:26:03,371 INFO L85 PathProgramCache]: Analyzing trace with hash -2084684529, now seen corresponding path program 1 times [2024-11-14 03:26:03,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:26:03,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306205901] [2024-11-14 03:26:03,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:26:03,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:26:03,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:26:03,513 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 03:26:03,514 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:26:03,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306205901] [2024-11-14 03:26:03,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306205901] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:26:03,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:26:03,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 03:26:03,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921489908] [2024-11-14 03:26:03,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:26:03,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 03:26:03,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:26:03,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 03:26:03,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:26:03,518 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:26:03,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:26:03,555 INFO L93 Difference]: Finished difference Result 18 states and 20 transitions. [2024-11-14 03:26:03,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 03:26:03,555 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-14 03:26:03,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:26:03,556 INFO L225 Difference]: With dead ends: 18 [2024-11-14 03:26:03,556 INFO L226 Difference]: Without dead ends: 12 [2024-11-14 03:26:03,556 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 03:26:03,557 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 1 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 03:26:03,558 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 14 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 03:26:03,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2024-11-14 03:26:03,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2024-11-14 03:26:03,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:26:03,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2024-11-14 03:26:03,563 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 6 [2024-11-14 03:26:03,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:26:03,563 INFO L471 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions. [2024-11-14 03:26:03,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:26:03,563 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2024-11-14 03:26:03,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-14 03:26:03,564 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:26:03,564 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:26:03,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 03:26:03,564 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:26:03,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:26:03,565 INFO L85 PathProgramCache]: Analyzing trace with hash -1610436770, now seen corresponding path program 1 times [2024-11-14 03:26:03,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:26:03,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694964940] [2024-11-14 03:26:03,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:26:03,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:26:03,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:26:03,832 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:26:03,832 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:26:03,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694964940] [2024-11-14 03:26:03,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694964940] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:26:03,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:26:03,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 03:26:03,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839648632] [2024-11-14 03:26:03,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:26:03,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:26:03,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:26:03,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:26:03,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:26:03,835 INFO L87 Difference]: Start difference. First operand 11 states and 12 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:26:03,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:26:03,921 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2024-11-14 03:26:03,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 03:26:03,922 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-14 03:26:03,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:26:03,923 INFO L225 Difference]: With dead ends: 17 [2024-11-14 03:26:03,923 INFO L226 Difference]: Without dead ends: 15 [2024-11-14 03:26:03,925 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 03:26:03,927 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 3 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:26:03,927 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 18 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 03:26:03,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2024-11-14 03:26:03,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 13. [2024-11-14 03:26:03,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:26:03,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2024-11-14 03:26:03,935 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2024-11-14 03:26:03,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:26:03,935 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2024-11-14 03:26:03,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:26:03,935 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-11-14 03:26:03,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-14 03:26:03,936 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:26:03,936 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:26:03,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 03:26:03,936 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:26:03,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:26:03,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1732323295, now seen corresponding path program 1 times [2024-11-14 03:26:03,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:26:03,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267677224] [2024-11-14 03:26:03,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:26:03,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:26:03,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:26:04,469 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:26:04,469 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:26:04,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267677224] [2024-11-14 03:26:04,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267677224] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:26:04,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1975698672] [2024-11-14 03:26:04,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:26:04,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:26:04,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaaf69-bbc6-4e61-af75-258c13f8c4fa/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:26:04,475 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaaf69-bbc6-4e61-af75-258c13f8c4fa/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:26:04,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaaf69-bbc6-4e61-af75-258c13f8c4fa/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 03:26:04,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:26:04,601 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-14 03:26:04,607 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:26:04,701 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-14 03:26:04,710 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-14 03:26:04,839 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:26:04,839 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:26:04,973 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:26:04,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1975698672] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:26:04,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [573752052] [2024-11-14 03:26:04,998 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2024-11-14 03:26:04,998 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 03:26:05,004 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 03:26:05,010 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 03:26:05,011 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 03:26:10,038 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 03:26:10,202 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '205#(<= 1 |#StackHeapBarrier|)' at error location [2024-11-14 03:26:10,203 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 03:26:10,203 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 03:26:10,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 3] total 5 [2024-11-14 03:26:10,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144347670] [2024-11-14 03:26:10,204 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 03:26:10,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 03:26:10,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:26:10,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 03:26:10,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-14 03:26:10,208 INFO L87 Difference]: Start difference. First operand 13 states and 14 transitions. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:26:10,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:26:10,277 INFO L93 Difference]: Finished difference Result 26 states and 28 transitions. [2024-11-14 03:26:10,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 03:26:10,278 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-14 03:26:10,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:26:10,280 INFO L225 Difference]: With dead ends: 26 [2024-11-14 03:26:10,281 INFO L226 Difference]: Without dead ends: 17 [2024-11-14 03:26:10,282 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-14 03:26:10,283 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 2 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:26:10,284 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 26 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 03:26:10,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2024-11-14 03:26:10,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2024-11-14 03:26:10,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 15 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:26:10,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2024-11-14 03:26:10,294 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 12 [2024-11-14 03:26:10,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:26:10,294 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2024-11-14 03:26:10,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:26:10,295 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2024-11-14 03:26:10,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-14 03:26:10,295 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:26:10,295 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-14 03:26:10,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaaf69-bbc6-4e61-af75-258c13f8c4fa/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 03:26:10,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaaf69-bbc6-4e61-af75-258c13f8c4fa/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:26:10,496 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:26:10,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:26:10,497 INFO L85 PathProgramCache]: Analyzing trace with hash 1265767216, now seen corresponding path program 2 times [2024-11-14 03:26:10,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:26:10,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682614722] [2024-11-14 03:26:10,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:26:10,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:26:10,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:26:11,656 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:26:11,657 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:26:11,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682614722] [2024-11-14 03:26:11,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682614722] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:26:11,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1628002366] [2024-11-14 03:26:11,657 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-14 03:26:11,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:26:11,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaaf69-bbc6-4e61-af75-258c13f8c4fa/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:26:11,660 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaaf69-bbc6-4e61-af75-258c13f8c4fa/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:26:11,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaaf69-bbc6-4e61-af75-258c13f8c4fa/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-14 03:26:11,813 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-14 03:26:11,813 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 03:26:11,816 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-14 03:26:11,821 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:26:11,863 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 7 [2024-11-14 03:26:11,961 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-14 03:26:11,968 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-14 03:26:12,019 INFO L349 Elim1Store]: treesize reduction 21, result has 44.7 percent of original size [2024-11-14 03:26:12,019 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 23 [2024-11-14 03:26:12,349 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-11-14 03:26:12,364 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-14 03:26:12,410 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:26:12,410 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:26:12,750 WARN L851 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~t~0#1.base| Int) (v_ArrVal_99 (Array Int Int))) (or (not (= (select v_ArrVal_99 0) 1)) (= (select (select (store |c_#memory_int| |ULTIMATE.start_main_~t~0#1.base| v_ArrVal_99) |c_ULTIMATE.start_main_~p~0#1.base|) |c_ULTIMATE.start_main_~p~0#1.offset|) 1))) is different from false [2024-11-14 03:26:12,782 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 36 [2024-11-14 03:26:12,806 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-11-14 03:26:12,807 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 11 [2024-11-14 03:26:12,814 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2024-11-14 03:26:12,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1628002366] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:26:12,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1163073034] [2024-11-14 03:26:12,820 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2024-11-14 03:26:12,820 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 03:26:12,820 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 03:26:12,821 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 03:26:12,821 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 03:26:17,404 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 03:26:17,656 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '368#(<= 1 |#StackHeapBarrier|)' at error location [2024-11-14 03:26:17,657 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 03:26:17,657 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 03:26:17,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 10] total 19 [2024-11-14 03:26:17,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858933271] [2024-11-14 03:26:17,658 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 03:26:17,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-14 03:26:17,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:26:17,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-14 03:26:17,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=422, Unknown=3, NotChecked=42, Total=552 [2024-11-14 03:26:17,660 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand has 19 states, 19 states have (on average 1.8421052631578947) internal successors, (35), 19 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:26:18,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:26:18,089 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions. [2024-11-14 03:26:18,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-14 03:26:18,091 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 1.8421052631578947) internal successors, (35), 19 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-14 03:26:18,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:26:18,092 INFO L225 Difference]: With dead ends: 23 [2024-11-14 03:26:18,092 INFO L226 Difference]: Without dead ends: 21 [2024-11-14 03:26:18,092 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 30 SyntacticMatches, 3 SemanticMatches, 27 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=144, Invalid=613, Unknown=3, NotChecked=52, Total=812 [2024-11-14 03:26:18,093 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 14 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 12 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 03:26:18,094 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 58 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 72 Invalid, 0 Unknown, 12 Unchecked, 0.2s Time] [2024-11-14 03:26:18,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2024-11-14 03:26:18,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 19. [2024-11-14 03:26:18,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 18 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:26:18,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2024-11-14 03:26:18,104 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 15 [2024-11-14 03:26:18,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:26:18,105 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2024-11-14 03:26:18,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 1.8421052631578947) internal successors, (35), 19 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:26:18,105 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2024-11-14 03:26:18,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-14 03:26:18,106 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:26:18,106 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1] [2024-11-14 03:26:18,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaaf69-bbc6-4e61-af75-258c13f8c4fa/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-14 03:26:18,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaaf69-bbc6-4e61-af75-258c13f8c4fa/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:26:18,307 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:26:18,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:26:18,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1336931569, now seen corresponding path program 3 times [2024-11-14 03:26:18,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:26:18,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624573991] [2024-11-14 03:26:18,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:26:18,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:26:18,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:26:19,265 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:26:19,266 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:26:19,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624573991] [2024-11-14 03:26:19,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624573991] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:26:19,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [512083367] [2024-11-14 03:26:19,266 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-14 03:26:19,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:26:19,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaaf69-bbc6-4e61-af75-258c13f8c4fa/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:26:19,270 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaaf69-bbc6-4e61-af75-258c13f8c4fa/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:26:19,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaaf69-bbc6-4e61-af75-258c13f8c4fa/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-14 03:26:19,406 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-14 03:26:19,406 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 03:26:19,408 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-14 03:26:19,411 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:26:19,445 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-14 03:26:19,467 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-14 03:26:19,476 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-14 03:26:19,531 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-14 03:26:19,531 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-14 03:26:19,568 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2024-11-14 03:26:19,581 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2024-11-14 03:26:19,592 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 23 [2024-11-14 03:26:19,598 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-11-14 03:26:19,918 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:26:19,918 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:26:20,085 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:26:20,085 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 21 [2024-11-14 03:26:20,104 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:26:20,104 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 21 [2024-11-14 03:26:20,121 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 (+ |c_ULTIMATE.start_main_~p~0#1.offset| 4)) (.cse0 (+ |c_ULTIMATE.start_main_~t~0#1.offset| 4))) (and (forall ((v_arrayElimArr_3 (Array Int Int))) (or (not (= (select v_arrayElimArr_3 .cse0) |c_ULTIMATE.start_main_~p~0#1.base|)) (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~t~0#1.base| v_arrayElimArr_3) |c_ULTIMATE.start_main_~p~0#1.base|) .cse1) 0))) (forall ((v_arrayElimArr_2 (Array Int Int))) (or (= (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~t~0#1.base| v_arrayElimArr_2) |c_ULTIMATE.start_main_~p~0#1.base|) .cse1) 0) (not (= |c_ULTIMATE.start_main_~p~0#1.offset| (select v_arrayElimArr_2 .cse0))))))) is different from false [2024-11-14 03:26:20,307 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:26:20,307 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 23 [2024-11-14 03:26:20,314 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2024-11-14 03:26:20,331 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:26:20,332 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 20 [2024-11-14 03:26:20,392 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:26:20,392 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 23 [2024-11-14 03:26:20,402 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2024-11-14 03:26:20,422 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:26:20,422 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 20 [2024-11-14 03:26:20,632 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2024-11-14 03:26:20,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [512083367] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:26:20,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1340843646] [2024-11-14 03:26:20,635 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2024-11-14 03:26:20,635 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 03:26:20,636 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 03:26:20,636 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 03:26:20,636 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 03:26:25,103 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 03:26:25,317 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '558#(<= 1 |#StackHeapBarrier|)' at error location [2024-11-14 03:26:25,317 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 03:26:25,317 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 03:26:25,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2024-11-14 03:26:25,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767397018] [2024-11-14 03:26:25,318 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 03:26:25,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-14 03:26:25,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:26:25,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-14 03:26:25,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=286, Unknown=1, NotChecked=34, Total=380 [2024-11-14 03:26:25,319 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. Second operand has 15 states, 15 states have (on average 2.6666666666666665) internal successors, (40), 14 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:26:25,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:26:25,654 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2024-11-14 03:26:25,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-14 03:26:25,656 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.6666666666666665) internal successors, (40), 14 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-11-14 03:26:25,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:26:25,657 INFO L225 Difference]: With dead ends: 35 [2024-11-14 03:26:25,657 INFO L226 Difference]: Without dead ends: 23 [2024-11-14 03:26:25,657 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=66, Invalid=317, Unknown=1, NotChecked=36, Total=420 [2024-11-14 03:26:25,658 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 1 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 20 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 03:26:25,658 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 79 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 73 Invalid, 0 Unknown, 20 Unchecked, 0.2s Time] [2024-11-14 03:26:25,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-11-14 03:26:25,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2024-11-14 03:26:25,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.0952380952380953) internal successors, (23), 21 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:26:25,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2024-11-14 03:26:25,668 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 18 [2024-11-14 03:26:25,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:26:25,669 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2024-11-14 03:26:25,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.6666666666666665) internal successors, (40), 14 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:26:25,671 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2024-11-14 03:26:25,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-14 03:26:25,672 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:26:25,672 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 2, 2, 1, 1, 1, 1] [2024-11-14 03:26:25,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaaf69-bbc6-4e61-af75-258c13f8c4fa/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-14 03:26:25,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaaf69-bbc6-4e61-af75-258c13f8c4fa/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:26:25,876 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:26:25,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:26:25,877 INFO L85 PathProgramCache]: Analyzing trace with hash 2045279966, now seen corresponding path program 4 times [2024-11-14 03:26:25,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:26:25,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79125677] [2024-11-14 03:26:25,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:26:25,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:26:25,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:26:27,304 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:26:27,304 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:26:27,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79125677] [2024-11-14 03:26:27,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79125677] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:26:27,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [938293060] [2024-11-14 03:26:27,305 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-14 03:26:27,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:26:27,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaaf69-bbc6-4e61-af75-258c13f8c4fa/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:26:27,309 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaaf69-bbc6-4e61-af75-258c13f8c4fa/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:26:27,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaaf69-bbc6-4e61-af75-258c13f8c4fa/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-14 03:26:27,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:26:27,416 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-11-14 03:26:27,420 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:26:27,425 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-14 03:26:27,442 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 7 [2024-11-14 03:26:27,496 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2024-11-14 03:26:27,496 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2024-11-14 03:26:27,571 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-11-14 03:26:27,577 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-14 03:26:27,587 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2024-11-14 03:26:27,713 INFO L349 Elim1Store]: treesize reduction 8, result has 65.2 percent of original size [2024-11-14 03:26:27,713 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 24 [2024-11-14 03:26:27,802 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2024-11-14 03:26:27,817 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 41 [2024-11-14 03:26:27,825 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2024-11-14 03:26:27,832 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2024-11-14 03:26:27,847 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2024-11-14 03:26:28,433 INFO L349 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2024-11-14 03:26:28,433 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 104 treesize of output 39 [2024-11-14 03:26:28,441 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-14 03:26:28,545 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:26:28,545 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:26:28,891 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:26:28,892 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 42 [2024-11-14 03:26:28,903 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:26:28,903 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 37 [2024-11-14 03:26:29,226 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:26:29,227 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 64 [2024-11-14 03:26:29,243 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:26:29,243 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 118 treesize of output 104 [2024-11-14 03:26:29,261 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:26:29,261 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 84 [2024-11-14 03:26:29,277 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:26:29,277 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 150 treesize of output 126 [2024-11-14 03:26:29,298 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:26:29,299 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 56 [2024-11-14 03:26:29,317 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:26:29,317 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 40 [2024-11-14 03:26:30,040 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:26:30,041 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 639 treesize of output 637 [2024-11-14 03:26:30,134 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:26:30,134 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 240 treesize of output 251 [2024-11-14 03:26:30,169 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:26:30,169 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 226 treesize of output 229 [2024-11-14 03:26:30,203 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 220 treesize of output 218 [2024-11-14 03:26:30,233 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:26:30,233 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 218 treesize of output 221 [2024-11-14 03:26:31,558 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 317 treesize of output 311 [2024-11-14 03:26:34,062 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 15 refuted. 1 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:26:34,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [938293060] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:26:34,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [582048191] [2024-11-14 03:26:34,065 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2024-11-14 03:26:34,065 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 03:26:34,065 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 03:26:34,065 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 03:26:34,065 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 03:26:38,434 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 03:26:38,754 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '791#(<= 1 |#StackHeapBarrier|)' at error location [2024-11-14 03:26:38,755 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 03:26:38,755 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 03:26:38,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 31 [2024-11-14 03:26:38,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273773093] [2024-11-14 03:26:38,755 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 03:26:38,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-11-14 03:26:38,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:26:38,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-11-14 03:26:38,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=1121, Unknown=7, NotChecked=0, Total=1260 [2024-11-14 03:26:38,757 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand has 31 states, 31 states have (on average 1.6774193548387097) internal successors, (52), 31 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:26:39,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:26:39,715 INFO L93 Difference]: Finished difference Result 29 states and 30 transitions. [2024-11-14 03:26:39,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-14 03:26:39,716 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 1.6774193548387097) internal successors, (52), 31 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2024-11-14 03:26:39,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:26:39,717 INFO L225 Difference]: With dead ends: 29 [2024-11-14 03:26:39,717 INFO L226 Difference]: Without dead ends: 27 [2024-11-14 03:26:39,718 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 415 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=288, Invalid=1685, Unknown=7, NotChecked=0, Total=1980 [2024-11-14 03:26:39,718 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 38 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-14 03:26:39,718 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 115 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-14 03:26:39,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2024-11-14 03:26:39,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 25. [2024-11-14 03:26:39,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 24 states have (on average 1.0833333333333333) internal successors, (26), 24 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:26:39,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2024-11-14 03:26:39,723 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 21 [2024-11-14 03:26:39,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:26:39,723 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2024-11-14 03:26:39,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 1.6774193548387097) internal successors, (52), 31 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:26:39,723 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2024-11-14 03:26:39,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-14 03:26:39,724 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:26:39,724 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 1, 1, 1, 1] [2024-11-14 03:26:39,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaaf69-bbc6-4e61-af75-258c13f8c4fa/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-14 03:26:39,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaaf69-bbc6-4e61-af75-258c13f8c4fa/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-14 03:26:39,924 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:26:39,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:26:39,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1760765791, now seen corresponding path program 5 times [2024-11-14 03:26:39,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:26:39,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573546129] [2024-11-14 03:26:39,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:26:39,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:26:39,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:26:41,329 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:26:41,329 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:26:41,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573546129] [2024-11-14 03:26:41,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573546129] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:26:41,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [583218377] [2024-11-14 03:26:41,330 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-14 03:26:41,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:26:41,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaaf69-bbc6-4e61-af75-258c13f8c4fa/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:26:41,333 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaaf69-bbc6-4e61-af75-258c13f8c4fa/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:26:41,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaaf69-bbc6-4e61-af75-258c13f8c4fa/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-14 03:26:41,446 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-14 03:26:41,447 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 03:26:41,449 INFO L255 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 69 conjuncts are in the unsatisfiable core [2024-11-14 03:26:41,454 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:26:41,470 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-14 03:26:41,482 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-14 03:26:41,490 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-14 03:26:41,559 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2024-11-14 03:26:41,560 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2024-11-14 03:26:41,641 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2024-11-14 03:26:41,665 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 23 [2024-11-14 03:26:41,680 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-11-14 03:26:41,691 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2024-11-14 03:26:41,814 INFO L349 Elim1Store]: treesize reduction 8, result has 61.9 percent of original size [2024-11-14 03:26:41,814 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 22 [2024-11-14 03:26:41,911 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2024-11-14 03:26:41,920 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 41 [2024-11-14 03:26:41,940 INFO L349 Elim1Store]: treesize reduction 29, result has 14.7 percent of original size [2024-11-14 03:26:41,940 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 67 treesize of output 50 [2024-11-14 03:26:41,961 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-11-14 03:26:42,472 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:26:42,472 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:26:42,688 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:26:42,688 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 44 [2024-11-14 03:26:42,696 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:26:42,696 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 39 [2024-11-14 03:26:42,721 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:26:42,722 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 49 [2024-11-14 03:26:42,731 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:26:42,732 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 39 [2024-11-14 03:26:43,241 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:26:43,242 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 53 [2024-11-14 03:26:43,256 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:26:43,256 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 48 [2024-11-14 03:26:43,300 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:26:43,301 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 53 [2024-11-14 03:26:43,317 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:26:43,317 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 48 [2024-11-14 03:26:43,872 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:26:43,873 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 66 [2024-11-14 03:26:43,882 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:26:43,882 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 56 [2024-11-14 03:26:43,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:26:43,927 INFO L349 Elim1Store]: treesize reduction 47, result has 24.2 percent of original size [2024-11-14 03:26:43,927 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 364 treesize of output 328 [2024-11-14 03:26:43,944 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 256 [2024-11-14 03:26:43,963 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:26:43,963 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 82 treesize of output 78 [2024-11-14 03:26:43,975 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 56 [2024-11-14 03:26:43,992 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:26:43,992 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 49 [2024-11-14 03:26:44,000 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 51 [2024-11-14 03:26:44,152 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:26:44,153 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 76 [2024-11-14 03:26:44,168 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:26:44,168 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 56 [2024-11-14 03:26:44,174 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 03:26:44,177 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 38 [2024-11-14 03:26:44,183 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 03:26:44,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:26:44,188 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 80 [2024-11-14 03:26:44,203 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:26:44,203 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 82 treesize of output 72 [2024-11-14 03:26:44,219 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:26:44,219 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 67 [2024-11-14 03:26:44,226 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2024-11-14 03:26:44,806 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:26:44,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [583218377] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:26:44,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1230277266] [2024-11-14 03:26:44,808 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2024-11-14 03:26:44,809 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 03:26:44,809 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 03:26:44,809 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 03:26:44,809 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 03:26:49,198 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 03:26:49,334 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '886#true' at error location [2024-11-14 03:26:49,334 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 03:26:49,335 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 03:26:49,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10, 10] total 28 [2024-11-14 03:26:49,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264087363] [2024-11-14 03:26:49,335 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 03:26:49,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-14 03:26:49,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:26:49,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-14 03:26:49,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=869, Unknown=19, NotChecked=0, Total=992 [2024-11-14 03:26:49,337 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand has 29 states, 29 states have (on average 2.103448275862069) internal successors, (61), 28 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:26:50,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:26:50,460 INFO L93 Difference]: Finished difference Result 44 states and 46 transitions. [2024-11-14 03:26:50,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-14 03:26:50,461 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 2.103448275862069) internal successors, (61), 28 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2024-11-14 03:26:50,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:26:50,461 INFO L225 Difference]: With dead ends: 44 [2024-11-14 03:26:50,461 INFO L226 Difference]: Without dead ends: 29 [2024-11-14 03:26:50,462 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 395 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=188, Invalid=1429, Unknown=23, NotChecked=0, Total=1640 [2024-11-14 03:26:50,463 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 24 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-14 03:26:50,463 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 145 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-14 03:26:50,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2024-11-14 03:26:50,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 28. [2024-11-14 03:26:50,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 27 states have (on average 1.0740740740740742) internal successors, (29), 27 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:26:50,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 29 transitions. [2024-11-14 03:26:50,468 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 29 transitions. Word has length 24 [2024-11-14 03:26:50,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:26:50,469 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 29 transitions. [2024-11-14 03:26:50,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 2.103448275862069) internal successors, (61), 28 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 03:26:50,469 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2024-11-14 03:26:50,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-14 03:26:50,469 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:26:50,470 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 3, 3, 1, 1, 1, 1] [2024-11-14 03:26:50,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaaf69-bbc6-4e61-af75-258c13f8c4fa/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-14 03:26:50,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaaf69-bbc6-4e61-af75-258c13f8c4fa/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-14 03:26:50,674 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:26:50,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:26:50,674 INFO L85 PathProgramCache]: Analyzing trace with hash 23917872, now seen corresponding path program 6 times [2024-11-14 03:26:50,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:26:50,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400020991] [2024-11-14 03:26:50,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:26:50,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:26:50,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:26:52,675 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 10 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:26:52,676 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:26:52,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400020991] [2024-11-14 03:26:52,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400020991] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:26:52,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1139112727] [2024-11-14 03:26:52,676 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-14 03:26:52,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:26:52,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaaf69-bbc6-4e61-af75-258c13f8c4fa/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:26:52,679 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaaf69-bbc6-4e61-af75-258c13f8c4fa/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:26:52,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53eaaf69-bbc6-4e61-af75-258c13f8c4fa/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-14 03:26:52,798 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-14 03:26:52,798 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 03:26:52,800 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 83 conjuncts are in the unsatisfiable core [2024-11-14 03:26:52,805 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:26:52,811 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-14 03:26:52,820 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 7 [2024-11-14 03:26:52,882 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2024-11-14 03:26:52,883 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2024-11-14 03:26:52,970 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-14 03:26:52,976 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-14 03:26:52,989 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2024-11-14 03:26:53,141 INFO L349 Elim1Store]: treesize reduction 48, result has 36.0 percent of original size [2024-11-14 03:26:53,142 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 41 [2024-11-14 03:26:53,240 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 14 [2024-11-14 03:26:53,246 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 14 [2024-11-14 03:26:53,262 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2024-11-14 03:26:53,285 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 46 [2024-11-14 03:26:53,296 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2024-11-14 03:26:53,497 INFO L349 Elim1Store]: treesize reduction 12, result has 70.7 percent of original size [2024-11-14 03:26:53,498 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 41 [2024-11-14 03:26:53,648 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2024-11-14 03:26:53,659 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2024-11-14 03:26:53,707 INFO L349 Elim1Store]: treesize reduction 29, result has 14.7 percent of original size [2024-11-14 03:26:53,707 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 179 treesize of output 108 [2024-11-14 03:26:53,720 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 45 [2024-11-14 03:26:53,752 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 29 [2024-11-14 03:27:29,522 INFO L349 Elim1Store]: treesize reduction 37, result has 9.8 percent of original size [2024-11-14 03:27:29,522 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 220 treesize of output 68 [2024-11-14 03:27:29,540 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 12 [2024-11-14 03:27:29,814 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 9 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:27:29,814 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:27:31,056 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:27:31,057 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 134 treesize of output 122 [2024-11-14 03:27:31,077 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:27:31,077 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 114 treesize of output 102 [2024-11-14 03:27:31,813 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:27:31,813 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 204 treesize of output 186 [2024-11-14 03:27:31,841 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:27:31,842 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 176 treesize of output 158 [2024-11-14 03:27:36,730 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:27:36,730 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 254 treesize of output 224 [2024-11-14 03:27:36,759 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:27:36,759 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 214 treesize of output 184 [2024-11-14 03:27:36,769 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 03:27:36,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:27:36,796 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 863 treesize of output 797 [2024-11-14 03:27:36,844 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:27:36,844 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 426 treesize of output 356 [2024-11-14 03:27:36,858 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 03:27:36,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:27:36,883 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 871 treesize of output 793 [2024-11-14 03:27:36,959 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:27:36,959 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 209 treesize of output 167 [2024-11-14 03:27:36,997 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:27:36,998 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 187 treesize of output 159 [2024-11-14 03:27:37,054 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:27:37,054 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 71 [2024-11-14 03:27:47,178 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse11 (forall ((v_arrayElimCell_103 Int)) (or (not (= (select |c_#valid| v_arrayElimCell_103) 0)) (forall ((|v_ULTIMATE.start_main_~t~0#1.base_60| Int) (v_arrayElimCell_109 Int) (v_arrayElimCell_102 Int) (v_ArrVal_460 (Array Int Int)) (v_ArrVal_453 (Array Int Int)) (v_ArrVal_467 (Array Int Int))) (let ((.cse50 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~t~0#1.base| v_ArrVal_453) v_arrayElimCell_103 v_ArrVal_460) |v_ULTIMATE.start_main_~t~0#1.base_60| v_ArrVal_467))) (or (not (= (select (select .cse50 |c_ULTIMATE.start_main_~t~0#1.base|) |c_ULTIMATE.start_main_~t~0#1.offset|) 1)) (= (select (select .cse50 v_arrayElimCell_102) v_arrayElimCell_109) 1) (= (select (select .cse50 |c_ULTIMATE.start_main_~p~0#1.base|) |c_ULTIMATE.start_main_~p~0#1.offset|) 1) (not (= (select (store |c_#valid| v_arrayElimCell_103 1) |v_ULTIMATE.start_main_~t~0#1.base_60|) 0))))) (= |c_ULTIMATE.start_main_~t~0#1.base| v_arrayElimCell_103)))) (.cse16 (forall ((v_arrayElimCell_103 Int)) (or (not (= (select |c_#valid| v_arrayElimCell_103) 0)) (forall ((v_arrayElimCell_109 Int) (v_arrayElimCell_102 Int) (v_ArrVal_460 (Array Int Int)) (v_ArrVal_467 (Array Int Int))) (or (not (= (select v_ArrVal_467 |c_ULTIMATE.start_main_~t~0#1.offset|) 1)) (= (select (select (store (store |c_#memory_int| v_arrayElimCell_103 v_ArrVal_460) |c_ULTIMATE.start_main_~t~0#1.base| v_ArrVal_467) v_arrayElimCell_102) v_arrayElimCell_109) 1))) (not (= (select (store |c_#valid| v_arrayElimCell_103 1) |c_ULTIMATE.start_main_~t~0#1.base|) 0))))) (.cse1 (forall ((v_arrayElimCell_103 Int)) (or (forall ((v_arrayElimCell_109 Int) (v_arrayElimCell_102 Int) (v_ArrVal_460 (Array Int Int)) (v_ArrVal_467 (Array Int Int))) (or (not (= (select v_ArrVal_467 |c_ULTIMATE.start_main_~t~0#1.offset|) 1)) (= v_arrayElimCell_109 0) (= (select (select (store (store |c_#memory_int| v_arrayElimCell_103 v_ArrVal_460) |c_ULTIMATE.start_main_~t~0#1.base| v_ArrVal_467) v_arrayElimCell_102) v_arrayElimCell_109) 1))) (not (= (select |c_#valid| v_arrayElimCell_103) 0)) (not (= (select (store |c_#valid| v_arrayElimCell_103 1) |c_ULTIMATE.start_main_~t~0#1.base|) 0))))) (.cse6 (forall ((v_arrayElimCell_103 Int)) (or (not (= (select |c_#valid| v_arrayElimCell_103) 0)) (forall ((|v_ULTIMATE.start_main_~t~0#1.base_60| Int) (v_arrayElimCell_109 Int) (v_arrayElimCell_102 Int) (v_ArrVal_460 (Array Int Int)) (v_ArrVal_453 (Array Int Int)) (v_ArrVal_467 (Array Int Int))) (let ((.cse49 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~t~0#1.base| v_ArrVal_453) v_arrayElimCell_103 v_ArrVal_460) |v_ULTIMATE.start_main_~t~0#1.base_60| v_ArrVal_467))) (or (not (= (select (select .cse49 |c_ULTIMATE.start_main_~t~0#1.base|) |c_ULTIMATE.start_main_~t~0#1.offset|) 1)) (= (select (select .cse49 v_arrayElimCell_102) v_arrayElimCell_109) 1) (= v_arrayElimCell_109 0) (= (select (select .cse49 |c_ULTIMATE.start_main_~p~0#1.base|) |c_ULTIMATE.start_main_~p~0#1.offset|) 1) (not (= (select (store |c_#valid| v_arrayElimCell_103 1) |v_ULTIMATE.start_main_~t~0#1.base_60|) 0))))) (= |c_ULTIMATE.start_main_~t~0#1.base| v_arrayElimCell_103)))) (.cse4 (store |c_#valid| |c_ULTIMATE.start_main_~t~0#1.base| 1)) (.cse5 (not (= (select |c_#valid| |c_ULTIMATE.start_main_~t~0#1.base|) 0))) (.cse0 (= |c_ULTIMATE.start_main_~t~0#1.offset| 0))) (and (forall ((v_arrayElimCell_103 Int)) (or (forall ((v_arrayElimCell_109 Int) (v_ArrVal_460 (Array Int Int)) (v_ArrVal_467 (Array Int Int))) (or (= (select (select (store (store |c_#memory_int| v_arrayElimCell_103 v_ArrVal_460) |c_ULTIMATE.start_main_~t~0#1.base| v_ArrVal_467) v_arrayElimCell_103) v_arrayElimCell_109) 1) (not (= (select v_ArrVal_467 |c_ULTIMATE.start_main_~t~0#1.offset|) 1)))) (not (= (select |c_#valid| v_arrayElimCell_103) 0)) (not (= (select (store |c_#valid| v_arrayElimCell_103 1) |c_ULTIMATE.start_main_~t~0#1.base|) 0)))) (or .cse0 (and .cse1 (forall ((v_arrayElimCell_103 Int)) (or (forall ((|v_ULTIMATE.start_main_~t~0#1.base_60| Int)) (or (forall ((v_arrayElimCell_109 Int)) (or (= v_arrayElimCell_109 0) (forall ((v_arrayElimCell_102 Int) (v_ArrVal_460 (Array Int Int)) (v_arrayElimCell_105 Int) (v_ArrVal_453 (Array Int Int)) (v_ArrVal_467 (Array Int Int)) (v_arrayElimCell_107 Int)) (let ((.cse2 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~t~0#1.base| v_ArrVal_453) v_arrayElimCell_103 v_ArrVal_460) |v_ULTIMATE.start_main_~t~0#1.base_60| v_ArrVal_467))) (or (not (= (select (select .cse2 |c_ULTIMATE.start_main_~t~0#1.base|) |c_ULTIMATE.start_main_~t~0#1.offset|) 1)) (= (select (select .cse2 v_arrayElimCell_102) v_arrayElimCell_109) 1) (= (select (select .cse2 v_arrayElimCell_105) v_arrayElimCell_107) 1) (= (select (select .cse2 |c_ULTIMATE.start_main_~p~0#1.base|) |c_ULTIMATE.start_main_~p~0#1.offset|) 1)))))) (not (= (select (store |c_#valid| v_arrayElimCell_103 1) |v_ULTIMATE.start_main_~t~0#1.base_60|) 0)))) (not (= (select |c_#valid| v_arrayElimCell_103) 0)))) (or (forall ((|v_ULTIMATE.start_main_~t~0#1.base_60| Int) (v_arrayElimCell_109 Int) (v_arrayElimCell_102 Int) (v_ArrVal_460 (Array Int Int)) (v_arrayElimCell_105 Int) (v_ArrVal_467 (Array Int Int)) (v_arrayElimCell_107 Int)) (let ((.cse3 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~t~0#1.base| v_ArrVal_460) |v_ULTIMATE.start_main_~t~0#1.base_60| v_ArrVal_467))) (or (= (select (select .cse3 v_arrayElimCell_105) v_arrayElimCell_107) 1) (not (= (select (select .cse3 |c_ULTIMATE.start_main_~t~0#1.base|) |c_ULTIMATE.start_main_~t~0#1.offset|) 1)) (= v_arrayElimCell_109 0) (= (select (select .cse3 v_arrayElimCell_102) v_arrayElimCell_109) 1) (not (= (select .cse4 |v_ULTIMATE.start_main_~t~0#1.base_60|) 0))))) .cse5) .cse6)) (forall ((v_arrayElimCell_103 Int)) (or (not (= (select |c_#valid| v_arrayElimCell_103) 0)) (forall ((|v_ULTIMATE.start_main_~t~0#1.base_60| Int)) (or (not (= (select (store |c_#valid| v_arrayElimCell_103 1) |v_ULTIMATE.start_main_~t~0#1.base_60|) 0)) (forall ((v_arrayElimCell_109 Int)) (or (= v_arrayElimCell_109 0) (forall ((v_ArrVal_460 (Array Int Int)) (v_ArrVal_453 (Array Int Int)) (v_ArrVal_467 (Array Int Int)) (v_arrayElimCell_107 Int)) (let ((.cse8 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~t~0#1.base| v_ArrVal_453) v_arrayElimCell_103 v_ArrVal_460) |v_ULTIMATE.start_main_~t~0#1.base_60| v_ArrVal_467))) (let ((.cse7 (select .cse8 |c_ULTIMATE.start_main_~t~0#1.base|))) (or (not (= (select .cse7 |c_ULTIMATE.start_main_~t~0#1.offset|) 1)) (= (select .cse7 v_arrayElimCell_107) 1) (= (select (select .cse8 |c_ULTIMATE.start_main_~p~0#1.base|) |c_ULTIMATE.start_main_~p~0#1.offset|) 1) (= (select (select .cse8 v_arrayElimCell_103) v_arrayElimCell_109) 1))))))))))) (forall ((v_arrayElimCell_103 Int)) (or (forall ((|v_ULTIMATE.start_main_~t~0#1.base_60| Int) (v_ArrVal_460 (Array Int Int)) (v_ArrVal_453 (Array Int Int)) (v_ArrVal_467 (Array Int Int))) (let ((.cse9 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~t~0#1.base| v_ArrVal_453) v_arrayElimCell_103 v_ArrVal_460) |v_ULTIMATE.start_main_~t~0#1.base_60| v_ArrVal_467))) (or (not (= (select (select .cse9 |c_ULTIMATE.start_main_~t~0#1.base|) |c_ULTIMATE.start_main_~t~0#1.offset|) 1)) (= |v_ULTIMATE.start_main_~t~0#1.base_60| |c_ULTIMATE.start_main_~t~0#1.base|) (= (select (select .cse9 |c_ULTIMATE.start_main_~p~0#1.base|) |c_ULTIMATE.start_main_~p~0#1.offset|) 1) (not (= (select (store |c_#valid| v_arrayElimCell_103 1) |v_ULTIMATE.start_main_~t~0#1.base_60|) 0))))) (not (= (select |c_#valid| v_arrayElimCell_103) 0)) (= |c_ULTIMATE.start_main_~t~0#1.base| v_arrayElimCell_103))) (or (and (forall ((v_arrayElimCell_103 Int)) (or (forall ((|v_ULTIMATE.start_main_~t~0#1.base_60| Int)) (or (not (= (select (store |c_#valid| v_arrayElimCell_103 1) |v_ULTIMATE.start_main_~t~0#1.base_60|) 0)) (forall ((v_arrayElimCell_109 Int) (v_arrayElimCell_102 Int) (v_ArrVal_460 (Array Int Int)) (v_arrayElimCell_105 Int) (v_ArrVal_453 (Array Int Int)) (v_ArrVal_467 (Array Int Int)) (v_arrayElimCell_107 Int)) (let ((.cse10 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~t~0#1.base| v_ArrVal_453) v_arrayElimCell_103 v_ArrVal_460) |v_ULTIMATE.start_main_~t~0#1.base_60| v_ArrVal_467))) (or (not (= (select (select .cse10 |c_ULTIMATE.start_main_~t~0#1.base|) |c_ULTIMATE.start_main_~t~0#1.offset|) 1)) (= (select (select .cse10 v_arrayElimCell_102) v_arrayElimCell_109) 1) (= (select (select .cse10 v_arrayElimCell_105) v_arrayElimCell_107) 1) (= (select (select .cse10 |c_ULTIMATE.start_main_~p~0#1.base|) |c_ULTIMATE.start_main_~p~0#1.offset|) 1)))))) (not (= (select |c_#valid| v_arrayElimCell_103) 0)))) .cse11 (forall ((v_arrayElimCell_103 Int)) (or (not (= (select |c_#valid| v_arrayElimCell_103) 0)) (forall ((|v_ULTIMATE.start_main_~t~0#1.base_60| Int)) (or (forall ((v_arrayElimCell_109 Int) (v_ArrVal_460 (Array Int Int)) (v_arrayElimCell_105 Int) (v_ArrVal_453 (Array Int Int)) (v_ArrVal_467 (Array Int Int)) (v_arrayElimCell_107 Int)) (let ((.cse12 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~t~0#1.base| v_ArrVal_453) v_arrayElimCell_103 v_ArrVal_460) |v_ULTIMATE.start_main_~t~0#1.base_60| v_ArrVal_467))) (or (not (= (select (select .cse12 |c_ULTIMATE.start_main_~t~0#1.base|) |c_ULTIMATE.start_main_~t~0#1.offset|) 1)) (= (select (select .cse12 v_arrayElimCell_105) v_arrayElimCell_107) 1) (= (select (select .cse12 |c_ULTIMATE.start_main_~p~0#1.base|) |c_ULTIMATE.start_main_~p~0#1.offset|) 1) (= (select (select .cse12 v_arrayElimCell_103) v_arrayElimCell_109) 1)))) (not (= (select (store |c_#valid| v_arrayElimCell_103 1) |v_ULTIMATE.start_main_~t~0#1.base_60|) 0)))))) (or (forall ((|v_ULTIMATE.start_main_~t~0#1.base_60| Int) (v_arrayElimCell_109 Int) (v_ArrVal_460 (Array Int Int)) (v_arrayElimCell_105 Int) (v_ArrVal_467 (Array Int Int)) (v_arrayElimCell_107 Int)) (let ((.cse14 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~t~0#1.base| v_ArrVal_460) |v_ULTIMATE.start_main_~t~0#1.base_60| v_ArrVal_467))) (let ((.cse13 (select .cse14 |c_ULTIMATE.start_main_~t~0#1.base|))) (or (= (select .cse13 v_arrayElimCell_109) 1) (= (select (select .cse14 v_arrayElimCell_105) v_arrayElimCell_107) 1) (not (= (select .cse13 |c_ULTIMATE.start_main_~t~0#1.offset|) 1)) (not (= (select .cse4 |v_ULTIMATE.start_main_~t~0#1.base_60|) 0)))))) .cse5) (or .cse5 (forall ((|v_ULTIMATE.start_main_~t~0#1.base_60| Int) (v_arrayElimCell_109 Int) (v_arrayElimCell_102 Int) (v_ArrVal_460 (Array Int Int)) (v_arrayElimCell_105 Int) (v_ArrVal_467 (Array Int Int)) (v_arrayElimCell_107 Int)) (let ((.cse15 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~t~0#1.base| v_ArrVal_460) |v_ULTIMATE.start_main_~t~0#1.base_60| v_ArrVal_467))) (or (= (select (select .cse15 v_arrayElimCell_105) v_arrayElimCell_107) 1) (not (= (select (select .cse15 |c_ULTIMATE.start_main_~t~0#1.base|) |c_ULTIMATE.start_main_~t~0#1.offset|) 1)) (= (select (select .cse15 v_arrayElimCell_102) v_arrayElimCell_109) 1) (not (= (select .cse4 |v_ULTIMATE.start_main_~t~0#1.base_60|) 0)))))) .cse16) .cse0) (forall ((v_arrayElimCell_103 Int)) (or (not (= (select |c_#valid| v_arrayElimCell_103) 0)) (forall ((|v_ULTIMATE.start_main_~t~0#1.base_60| Int)) (or (forall ((v_arrayElimCell_109 Int)) (or (= v_arrayElimCell_109 0) (forall ((v_ArrVal_460 (Array Int Int)) (v_arrayElimCell_105 Int) (v_ArrVal_453 (Array Int Int)) (v_ArrVal_467 (Array Int Int))) (let ((.cse17 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~t~0#1.base| v_ArrVal_453) v_arrayElimCell_103 v_ArrVal_460) |v_ULTIMATE.start_main_~t~0#1.base_60| v_ArrVal_467))) (or (= (select (select .cse17 v_arrayElimCell_105) 0) 1) (not (= (select (select .cse17 |c_ULTIMATE.start_main_~t~0#1.base|) |c_ULTIMATE.start_main_~t~0#1.offset|) 1)) (= (select (select .cse17 |c_ULTIMATE.start_main_~p~0#1.base|) |c_ULTIMATE.start_main_~p~0#1.offset|) 1) (= (select (select .cse17 v_arrayElimCell_103) v_arrayElimCell_109) 1)))))) (not (= (select (store |c_#valid| v_arrayElimCell_103 1) |v_ULTIMATE.start_main_~t~0#1.base_60|) 0)))))) (forall ((v_arrayElimCell_103 Int)) (or (not (= (select |c_#valid| v_arrayElimCell_103) 0)) (= |c_ULTIMATE.start_main_~t~0#1.base| v_arrayElimCell_103) (forall ((|v_ULTIMATE.start_main_~t~0#1.base_60| Int) (v_arrayElimCell_109 Int) (v_ArrVal_460 (Array Int Int)) (v_ArrVal_453 (Array Int Int)) (v_ArrVal_467 (Array Int Int))) (let ((.cse18 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~t~0#1.base| v_ArrVal_453) v_arrayElimCell_103 v_ArrVal_460) |v_ULTIMATE.start_main_~t~0#1.base_60| v_ArrVal_467))) (or (not (= (select (select .cse18 |c_ULTIMATE.start_main_~t~0#1.base|) |c_ULTIMATE.start_main_~t~0#1.offset|) 1)) (= (select (select .cse18 |c_ULTIMATE.start_main_~p~0#1.base|) |c_ULTIMATE.start_main_~p~0#1.offset|) 1) (= (select (select .cse18 v_arrayElimCell_103) v_arrayElimCell_109) 1) (not (= (select (store |c_#valid| v_arrayElimCell_103 1) |v_ULTIMATE.start_main_~t~0#1.base_60|) 0))))))) (or (forall ((|v_ULTIMATE.start_main_~t~0#1.base_60| Int) (v_ArrVal_460 (Array Int Int)) (v_ArrVal_467 (Array Int Int)) (v_arrayElimCell_107 Int)) (let ((.cse19 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~t~0#1.base| v_ArrVal_460) |v_ULTIMATE.start_main_~t~0#1.base_60| v_ArrVal_467) |c_ULTIMATE.start_main_~t~0#1.base|))) (or (not (= (select .cse19 |c_ULTIMATE.start_main_~t~0#1.offset|) 1)) (= (select .cse19 v_arrayElimCell_107) 1) (not (= (select .cse4 |v_ULTIMATE.start_main_~t~0#1.base_60|) 0))))) .cse5) (or (forall ((|v_ULTIMATE.start_main_~t~0#1.base_60| Int) (v_arrayElimCell_109 Int) (v_ArrVal_460 (Array Int Int)) (v_ArrVal_467 (Array Int Int))) (let ((.cse20 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~t~0#1.base| v_ArrVal_460) |v_ULTIMATE.start_main_~t~0#1.base_60| v_ArrVal_467) |c_ULTIMATE.start_main_~t~0#1.base|))) (or (= (select .cse20 0) 1) (= (select .cse20 v_arrayElimCell_109) 1) (not (= (select .cse20 |c_ULTIMATE.start_main_~t~0#1.offset|) 1)) (not (= (select .cse4 |v_ULTIMATE.start_main_~t~0#1.base_60|) 0))))) .cse5) (or (forall ((|v_ULTIMATE.start_main_~t~0#1.base_60| Int) (v_ArrVal_460 (Array Int Int)) (v_arrayElimCell_105 Int) (v_ArrVal_467 (Array Int Int)) (v_arrayElimCell_107 Int)) (let ((.cse21 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~t~0#1.base| v_ArrVal_460) |v_ULTIMATE.start_main_~t~0#1.base_60| v_ArrVal_467))) (or (= (select (select .cse21 v_arrayElimCell_105) v_arrayElimCell_107) 1) (not (= (select (select .cse21 |c_ULTIMATE.start_main_~t~0#1.base|) |c_ULTIMATE.start_main_~t~0#1.offset|) 1)) (not (= (select .cse4 |v_ULTIMATE.start_main_~t~0#1.base_60|) 0))))) .cse5) (or .cse0 (and .cse11 (forall ((v_arrayElimCell_103 Int)) (or (forall ((|v_ULTIMATE.start_main_~t~0#1.base_60| Int)) (or (forall ((v_arrayElimCell_109 Int) (v_arrayElimCell_102 Int) (v_ArrVal_460 (Array Int Int)) (v_ArrVal_453 (Array Int Int)) (v_ArrVal_467 (Array Int Int))) (let ((.cse23 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~t~0#1.base| v_ArrVal_453) v_arrayElimCell_103 v_ArrVal_460) |v_ULTIMATE.start_main_~t~0#1.base_60| v_ArrVal_467))) (let ((.cse22 (select .cse23 |c_ULTIMATE.start_main_~t~0#1.base|))) (or (not (= (select .cse22 |c_ULTIMATE.start_main_~t~0#1.offset|) 1)) (= (select (select .cse23 v_arrayElimCell_102) v_arrayElimCell_109) 1) (= (select (select .cse23 |c_ULTIMATE.start_main_~p~0#1.base|) |c_ULTIMATE.start_main_~p~0#1.offset|) 1) (= (select .cse22 0) 1))))) (not (= (select (store |c_#valid| v_arrayElimCell_103 1) |v_ULTIMATE.start_main_~t~0#1.base_60|) 0)))) (not (= (select |c_#valid| v_arrayElimCell_103) 0)))) (or (forall ((|v_ULTIMATE.start_main_~t~0#1.base_60| Int) (v_arrayElimCell_109 Int) (v_arrayElimCell_102 Int) (v_ArrVal_460 (Array Int Int)) (v_ArrVal_467 (Array Int Int))) (let ((.cse25 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~t~0#1.base| v_ArrVal_460) |v_ULTIMATE.start_main_~t~0#1.base_60| v_ArrVal_467))) (let ((.cse24 (select .cse25 |c_ULTIMATE.start_main_~t~0#1.base|))) (or (= (select .cse24 0) 1) (not (= (select .cse24 |c_ULTIMATE.start_main_~t~0#1.offset|) 1)) (= (select (select .cse25 v_arrayElimCell_102) v_arrayElimCell_109) 1) (not (= (select .cse4 |v_ULTIMATE.start_main_~t~0#1.base_60|) 0)))))) .cse5) .cse16)) (forall ((v_arrayElimCell_103 Int)) (or (forall ((|v_ULTIMATE.start_main_~t~0#1.base_60| Int)) (or (forall ((v_arrayElimCell_109 Int)) (or (= v_arrayElimCell_109 0) (forall ((v_ArrVal_460 (Array Int Int)) (v_arrayElimCell_105 Int) (v_ArrVal_453 (Array Int Int)) (v_ArrVal_467 (Array Int Int)) (v_arrayElimCell_107 Int)) (let ((.cse26 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~t~0#1.base| v_ArrVal_453) v_arrayElimCell_103 v_ArrVal_460) |v_ULTIMATE.start_main_~t~0#1.base_60| v_ArrVal_467))) (or (not (= (select (select .cse26 |c_ULTIMATE.start_main_~t~0#1.base|) |c_ULTIMATE.start_main_~t~0#1.offset|) 1)) (= (select (select .cse26 v_arrayElimCell_105) v_arrayElimCell_107) 1) (= (select (select .cse26 |c_ULTIMATE.start_main_~p~0#1.base|) |c_ULTIMATE.start_main_~p~0#1.offset|) 1) (= (select (select .cse26 v_arrayElimCell_103) v_arrayElimCell_109) 1)))))) (not (= (select (store |c_#valid| v_arrayElimCell_103 1) |v_ULTIMATE.start_main_~t~0#1.base_60|) 0)))) (not (= (select |c_#valid| v_arrayElimCell_103) 0)))) (forall ((v_arrayElimCell_103 Int)) (or (not (= (select |c_#valid| v_arrayElimCell_103) 0)) (forall ((|v_ULTIMATE.start_main_~t~0#1.base_60| Int)) (or (= |v_ULTIMATE.start_main_~t~0#1.base_60| |c_ULTIMATE.start_main_~t~0#1.base|) (not (= (select (store |c_#valid| v_arrayElimCell_103 1) |v_ULTIMATE.start_main_~t~0#1.base_60|) 0)) (forall ((v_ArrVal_460 (Array Int Int)) (v_arrayElimCell_105 Int) (v_ArrVal_453 (Array Int Int)) (v_ArrVal_467 (Array Int Int))) (let ((.cse27 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~t~0#1.base| v_ArrVal_453) v_arrayElimCell_103 v_ArrVal_460) |v_ULTIMATE.start_main_~t~0#1.base_60| v_ArrVal_467))) (or (= (select (select .cse27 v_arrayElimCell_105) 0) 1) (not (= (select (select .cse27 |c_ULTIMATE.start_main_~t~0#1.base|) |c_ULTIMATE.start_main_~t~0#1.offset|) 1)) (= (select (select .cse27 |c_ULTIMATE.start_main_~p~0#1.base|) |c_ULTIMATE.start_main_~p~0#1.offset|) 1)))))))) (or .cse5 (forall ((|v_ULTIMATE.start_main_~t~0#1.base_60| Int) (v_ArrVal_460 (Array Int Int)) (v_ArrVal_467 (Array Int Int))) (let ((.cse28 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~t~0#1.base| v_ArrVal_460) |v_ULTIMATE.start_main_~t~0#1.base_60| v_ArrVal_467) |c_ULTIMATE.start_main_~t~0#1.base|))) (or (= (select .cse28 0) 1) (not (= (select .cse28 |c_ULTIMATE.start_main_~t~0#1.offset|) 1)) (not (= (select .cse4 |v_ULTIMATE.start_main_~t~0#1.base_60|) 0)))))) (forall ((v_arrayElimCell_103 Int)) (or (not (= (select |c_#valid| v_arrayElimCell_103) 0)) (forall ((|v_ULTIMATE.start_main_~t~0#1.base_60| Int)) (or (forall ((v_arrayElimCell_109 Int) (v_ArrVal_460 (Array Int Int)) (v_ArrVal_453 (Array Int Int)) (v_ArrVal_467 (Array Int Int))) (let ((.cse30 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~t~0#1.base| v_ArrVal_453) v_arrayElimCell_103 v_ArrVal_460) |v_ULTIMATE.start_main_~t~0#1.base_60| v_ArrVal_467))) (let ((.cse29 (select .cse30 |c_ULTIMATE.start_main_~t~0#1.base|))) (or (not (= (select .cse29 |c_ULTIMATE.start_main_~t~0#1.offset|) 1)) (= (select (select .cse30 |c_ULTIMATE.start_main_~p~0#1.base|) |c_ULTIMATE.start_main_~p~0#1.offset|) 1) (= (select (select .cse30 v_arrayElimCell_103) v_arrayElimCell_109) 1) (= (select .cse29 0) 1))))) (not (= (select (store |c_#valid| v_arrayElimCell_103 1) |v_ULTIMATE.start_main_~t~0#1.base_60|) 0)))))) (or .cse0 (and (forall ((v_arrayElimCell_103 Int)) (or (forall ((|v_ULTIMATE.start_main_~t~0#1.base_60| Int)) (or (forall ((v_arrayElimCell_109 Int)) (or (forall ((v_arrayElimCell_102 Int) (v_ArrVal_460 (Array Int Int)) (v_ArrVal_453 (Array Int Int)) (v_ArrVal_467 (Array Int Int)) (v_arrayElimCell_107 Int)) (let ((.cse32 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~t~0#1.base| v_ArrVal_453) v_arrayElimCell_103 v_ArrVal_460) |v_ULTIMATE.start_main_~t~0#1.base_60| v_ArrVal_467))) (let ((.cse31 (select .cse32 |c_ULTIMATE.start_main_~t~0#1.base|))) (or (not (= (select .cse31 |c_ULTIMATE.start_main_~t~0#1.offset|) 1)) (= (select (select .cse32 v_arrayElimCell_102) v_arrayElimCell_109) 1) (= (select .cse31 v_arrayElimCell_107) 1) (= (select (select .cse32 |c_ULTIMATE.start_main_~p~0#1.base|) |c_ULTIMATE.start_main_~p~0#1.offset|) 1))))) (= v_arrayElimCell_109 0))) (not (= (select (store |c_#valid| v_arrayElimCell_103 1) |v_ULTIMATE.start_main_~t~0#1.base_60|) 0)))) (not (= (select |c_#valid| v_arrayElimCell_103) 0)))) (or (forall ((|v_ULTIMATE.start_main_~t~0#1.base_60| Int) (v_arrayElimCell_109 Int) (v_arrayElimCell_102 Int) (v_ArrVal_460 (Array Int Int)) (v_ArrVal_467 (Array Int Int)) (v_arrayElimCell_107 Int)) (let ((.cse34 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~t~0#1.base| v_ArrVal_460) |v_ULTIMATE.start_main_~t~0#1.base_60| v_ArrVal_467))) (let ((.cse33 (select .cse34 |c_ULTIMATE.start_main_~t~0#1.base|))) (or (not (= (select .cse33 |c_ULTIMATE.start_main_~t~0#1.offset|) 1)) (= (select .cse33 v_arrayElimCell_107) 1) (= v_arrayElimCell_109 0) (= (select (select .cse34 v_arrayElimCell_102) v_arrayElimCell_109) 1) (not (= (select .cse4 |v_ULTIMATE.start_main_~t~0#1.base_60|) 0)))))) .cse5) .cse1 .cse6)) (or (forall ((|v_ULTIMATE.start_main_~t~0#1.base_60| Int) (v_ArrVal_460 (Array Int Int)) (v_arrayElimCell_105 Int) (v_ArrVal_467 (Array Int Int))) (let ((.cse35 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~t~0#1.base| v_ArrVal_460) |v_ULTIMATE.start_main_~t~0#1.base_60| v_ArrVal_467))) (or (= 1 (select (select .cse35 v_arrayElimCell_105) 0)) (not (= (select (select .cse35 |c_ULTIMATE.start_main_~t~0#1.base|) |c_ULTIMATE.start_main_~t~0#1.offset|) 1)) (not (= (select .cse4 |v_ULTIMATE.start_main_~t~0#1.base_60|) 0))))) .cse5) (forall ((v_arrayElimCell_103 Int)) (or (forall ((|v_ULTIMATE.start_main_~t~0#1.base_60| Int)) (or (forall ((v_ArrVal_460 (Array Int Int)) (v_ArrVal_453 (Array Int Int)) (v_ArrVal_467 (Array Int Int)) (v_arrayElimCell_107 Int)) (let ((.cse37 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~t~0#1.base| v_ArrVal_453) v_arrayElimCell_103 v_ArrVal_460) |v_ULTIMATE.start_main_~t~0#1.base_60| v_ArrVal_467))) (let ((.cse36 (select .cse37 |c_ULTIMATE.start_main_~t~0#1.base|))) (or (not (= (select .cse36 |c_ULTIMATE.start_main_~t~0#1.offset|) 1)) (= (select .cse36 v_arrayElimCell_107) 1) (= (select (select .cse37 |c_ULTIMATE.start_main_~p~0#1.base|) |c_ULTIMATE.start_main_~p~0#1.offset|) 1))))) (= |v_ULTIMATE.start_main_~t~0#1.base_60| |c_ULTIMATE.start_main_~t~0#1.base|) (not (= (select (store |c_#valid| v_arrayElimCell_103 1) |v_ULTIMATE.start_main_~t~0#1.base_60|) 0)))) (not (= (select |c_#valid| v_arrayElimCell_103) 0)))) (or .cse5 (forall ((|v_ULTIMATE.start_main_~t~0#1.base_60| Int) (v_arrayElimCell_109 Int) (v_ArrVal_460 (Array Int Int)) (v_ArrVal_467 (Array Int Int)) (v_arrayElimCell_107 Int)) (let ((.cse38 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~t~0#1.base| v_ArrVal_460) |v_ULTIMATE.start_main_~t~0#1.base_60| v_ArrVal_467) |c_ULTIMATE.start_main_~t~0#1.base|))) (or (= (select .cse38 v_arrayElimCell_109) 1) (not (= (select .cse38 |c_ULTIMATE.start_main_~t~0#1.offset|) 1)) (= (select .cse38 v_arrayElimCell_107) 1) (= v_arrayElimCell_109 0) (not (= (select .cse4 |v_ULTIMATE.start_main_~t~0#1.base_60|) 0)))))) (forall ((v_arrayElimCell_103 Int)) (or (not (= (select |c_#valid| v_arrayElimCell_103) 0)) (forall ((|v_ULTIMATE.start_main_~t~0#1.base_60| Int) (v_arrayElimCell_109 Int) (v_ArrVal_460 (Array Int Int)) (v_ArrVal_453 (Array Int Int)) (v_ArrVal_467 (Array Int Int))) (let ((.cse39 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~t~0#1.base| v_ArrVal_453) v_arrayElimCell_103 v_ArrVal_460) |v_ULTIMATE.start_main_~t~0#1.base_60| v_ArrVal_467))) (or (not (= (select (select .cse39 |c_ULTIMATE.start_main_~t~0#1.base|) |c_ULTIMATE.start_main_~t~0#1.offset|) 1)) (= v_arrayElimCell_109 0) (= (select (select .cse39 |c_ULTIMATE.start_main_~p~0#1.base|) |c_ULTIMATE.start_main_~p~0#1.offset|) 1) (= (select (select .cse39 v_arrayElimCell_103) v_arrayElimCell_109) 1) (not (= (select (store |c_#valid| v_arrayElimCell_103 1) |v_ULTIMATE.start_main_~t~0#1.base_60|) 0))))) (= |c_ULTIMATE.start_main_~t~0#1.base| v_arrayElimCell_103))) (or .cse5 (forall ((|v_ULTIMATE.start_main_~t~0#1.base_60| Int) (v_arrayElimCell_109 Int) (v_ArrVal_460 (Array Int Int)) (v_arrayElimCell_105 Int) (v_ArrVal_467 (Array Int Int))) (let ((.cse41 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~t~0#1.base| v_ArrVal_460) |v_ULTIMATE.start_main_~t~0#1.base_60| v_ArrVal_467))) (let ((.cse40 (select .cse41 |c_ULTIMATE.start_main_~t~0#1.base|))) (or (= (select .cse40 v_arrayElimCell_109) 1) (= 1 (select (select .cse41 v_arrayElimCell_105) 0)) (not (= (select .cse40 |c_ULTIMATE.start_main_~t~0#1.offset|) 1)) (= v_arrayElimCell_109 0) (not (= (select .cse4 |v_ULTIMATE.start_main_~t~0#1.base_60|) 0))))))) (or (forall ((|v_ULTIMATE.start_main_~t~0#1.base_60| Int) (v_arrayElimCell_109 Int) (v_ArrVal_460 (Array Int Int)) (v_arrayElimCell_105 Int) (v_ArrVal_467 (Array Int Int)) (v_arrayElimCell_107 Int)) (let ((.cse43 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~t~0#1.base| v_ArrVal_460) |v_ULTIMATE.start_main_~t~0#1.base_60| v_ArrVal_467))) (let ((.cse42 (select .cse43 |c_ULTIMATE.start_main_~t~0#1.base|))) (or (= (select .cse42 v_arrayElimCell_109) 1) (= (select (select .cse43 v_arrayElimCell_105) v_arrayElimCell_107) 1) (not (= (select .cse42 |c_ULTIMATE.start_main_~t~0#1.offset|) 1)) (= v_arrayElimCell_109 0) (not (= (select .cse4 |v_ULTIMATE.start_main_~t~0#1.base_60|) 0)))))) .cse5) (or (and (forall ((v_arrayElimCell_103 Int)) (or (forall ((|v_ULTIMATE.start_main_~t~0#1.base_60| Int)) (or (forall ((v_arrayElimCell_109 Int)) (or (forall ((v_arrayElimCell_102 Int) (v_ArrVal_460 (Array Int Int)) (v_arrayElimCell_105 Int) (v_ArrVal_453 (Array Int Int)) (v_ArrVal_467 (Array Int Int))) (let ((.cse44 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~t~0#1.base| v_ArrVal_453) v_arrayElimCell_103 v_ArrVal_460) |v_ULTIMATE.start_main_~t~0#1.base_60| v_ArrVal_467))) (or (= (select (select .cse44 v_arrayElimCell_105) 0) 1) (not (= (select (select .cse44 |c_ULTIMATE.start_main_~t~0#1.base|) |c_ULTIMATE.start_main_~t~0#1.offset|) 1)) (= (select (select .cse44 v_arrayElimCell_102) v_arrayElimCell_109) 1) (= (select (select .cse44 |c_ULTIMATE.start_main_~p~0#1.base|) |c_ULTIMATE.start_main_~p~0#1.offset|) 1)))) (= v_arrayElimCell_109 0))) (not (= (select (store |c_#valid| v_arrayElimCell_103 1) |v_ULTIMATE.start_main_~t~0#1.base_60|) 0)))) (not (= (select |c_#valid| v_arrayElimCell_103) 0)))) .cse1 .cse6 (or (forall ((|v_ULTIMATE.start_main_~t~0#1.base_60| Int) (v_arrayElimCell_109 Int) (v_arrayElimCell_102 Int) (v_ArrVal_460 (Array Int Int)) (v_arrayElimCell_105 Int) (v_ArrVal_467 (Array Int Int))) (let ((.cse45 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~t~0#1.base| v_ArrVal_460) |v_ULTIMATE.start_main_~t~0#1.base_60| v_ArrVal_467))) (or (= 1 (select (select .cse45 v_arrayElimCell_105) 0)) (not (= (select (select .cse45 |c_ULTIMATE.start_main_~t~0#1.base|) |c_ULTIMATE.start_main_~t~0#1.offset|) 1)) (= v_arrayElimCell_109 0) (= (select (select .cse45 v_arrayElimCell_102) v_arrayElimCell_109) 1) (not (= (select .cse4 |v_ULTIMATE.start_main_~t~0#1.base_60|) 0))))) .cse5)) .cse0) (forall ((v_arrayElimCell_103 Int)) (or (not (= (select |c_#valid| v_arrayElimCell_103) 0)) (forall ((|v_ULTIMATE.start_main_~t~0#1.base_60| Int)) (or (forall ((v_ArrVal_460 (Array Int Int)) (v_arrayElimCell_105 Int) (v_ArrVal_453 (Array Int Int)) (v_ArrVal_467 (Array Int Int)) (v_arrayElimCell_107 Int)) (let ((.cse46 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~t~0#1.base| v_ArrVal_453) v_arrayElimCell_103 v_ArrVal_460) |v_ULTIMATE.start_main_~t~0#1.base_60| v_ArrVal_467))) (or (not (= (select (select .cse46 |c_ULTIMATE.start_main_~t~0#1.base|) |c_ULTIMATE.start_main_~t~0#1.offset|) 1)) (= (select (select .cse46 v_arrayElimCell_105) v_arrayElimCell_107) 1) (= (select (select .cse46 |c_ULTIMATE.start_main_~p~0#1.base|) |c_ULTIMATE.start_main_~p~0#1.offset|) 1)))) (= |v_ULTIMATE.start_main_~t~0#1.base_60| |c_ULTIMATE.start_main_~t~0#1.base|) (not (= (select (store |c_#valid| v_arrayElimCell_103 1) |v_ULTIMATE.start_main_~t~0#1.base_60|) 0)))))) (forall ((v_arrayElimCell_103 Int)) (or (forall ((v_arrayElimCell_109 Int) (v_ArrVal_460 (Array Int Int)) (v_ArrVal_467 (Array Int Int))) (or (= (select (select (store (store |c_#memory_int| v_arrayElimCell_103 v_ArrVal_460) |c_ULTIMATE.start_main_~t~0#1.base| v_ArrVal_467) v_arrayElimCell_103) v_arrayElimCell_109) 1) (not (= (select v_ArrVal_467 |c_ULTIMATE.start_main_~t~0#1.offset|) 1)) (= v_arrayElimCell_109 0))) (not (= (select |c_#valid| v_arrayElimCell_103) 0)) (not (= (select (store |c_#valid| v_arrayElimCell_103 1) |c_ULTIMATE.start_main_~t~0#1.base|) 0)))) (forall ((v_arrayElimCell_103 Int)) (or (not (= (select |c_#valid| v_arrayElimCell_103) 0)) (forall ((|v_ULTIMATE.start_main_~t~0#1.base_60| Int)) (or (= |v_ULTIMATE.start_main_~t~0#1.base_60| |c_ULTIMATE.start_main_~t~0#1.base|) (forall ((v_ArrVal_460 (Array Int Int)) (v_ArrVal_453 (Array Int Int)) (v_ArrVal_467 (Array Int Int))) (let ((.cse48 (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~t~0#1.base| v_ArrVal_453) v_arrayElimCell_103 v_ArrVal_460) |v_ULTIMATE.start_main_~t~0#1.base_60| v_ArrVal_467))) (let ((.cse47 (select .cse48 |c_ULTIMATE.start_main_~t~0#1.base|))) (or (not (= (select .cse47 |c_ULTIMATE.start_main_~t~0#1.offset|) 1)) (= (select (select .cse48 |c_ULTIMATE.start_main_~p~0#1.base|) |c_ULTIMATE.start_main_~p~0#1.offset|) 1) (= (select .cse47 0) 1))))) (not (= (select (store |c_#valid| v_arrayElimCell_103 1) |v_ULTIMATE.start_main_~t~0#1.base_60|) 0)))))))) is different from false [2024-11-14 03:27:52,622 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:27:52,625 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 38448 treesize of output 38238 [2024-11-14 03:27:53,370 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:27:53,372 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2783 treesize of output 2800 [2024-11-14 03:27:53,722 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:27:53,724 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 2775 treesize of output 2808 [2024-11-14 03:27:54,092 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:27:54,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 2759 treesize of output 2778 [2024-11-14 03:27:54,290 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:27:54,292 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2729 treesize of output 2734 [2024-11-14 03:27:54,551 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:27:54,553 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2725 treesize of output 2742 [2024-11-14 03:27:54,747 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:27:54,748 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2717 treesize of output 2722 [2024-11-14 03:27:55,009 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:27:55,011 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2713 treesize of output 2730 [2024-11-14 03:27:55,310 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:27:55,311 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2705 treesize of output 2716 [2024-11-14 03:27:55,506 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:27:55,507 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2691 treesize of output 2686 [2024-11-14 03:27:55,675 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:27:55,676 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2677 treesize of output 2678 [2024-11-14 03:27:55,909 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:27:55,910 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2669 treesize of output 2688 [2024-11-14 03:27:56,247 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:27:56,248 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 2663 treesize of output 2702 [2024-11-14 03:27:56,617 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:27:56,618 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 2653 treesize of output 2684 [2024-11-14 03:27:56,896 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:27:56,898 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2635 treesize of output 2616 [2024-11-14 03:27:57,282 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:27:57,284 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2607 treesize of output 2618 [2024-11-14 03:27:57,524 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:27:57,525 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2593 treesize of output 2594 [2024-11-14 03:27:57,872 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:27:57,874 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2585 treesize of output 2594 [2024-11-14 03:27:58,206 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:27:58,208 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2569 treesize of output 2564 [2024-11-14 03:27:58,528 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:27:58,529 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2539 treesize of output 2550 [2024-11-14 03:27:58,916 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:27:58,918 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2525 treesize of output 2522 [2024-11-14 03:27:59,326 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:27:59,327 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2497 treesize of output 2514 [2024-11-14 03:27:59,652 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:27:59,654 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2489 treesize of output 2494 [2024-11-14 03:28:00,108 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:28:00,110 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2485 treesize of output 2502 [2024-11-14 03:28:00,568 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:28:00,569 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2477 treesize of output 2496 [2024-11-14 03:28:00,952 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:28:00,953 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2471 treesize of output 2480 [2024-11-14 03:28:01,245 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:28:01,246 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2455 treesize of output 2458 [2024-11-14 03:28:01,516 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:28:01,517 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2449 treesize of output 2446