./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps6-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2683b039-1775-4f8f-b323-58349f1f8e43/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2683b039-1775-4f8f-b323-58349f1f8e43/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_2683b039-1775-4f8f-b323-58349f1f8e43/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2683b039-1775-4f8f-b323-58349f1f8e43/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps6-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2683b039-1775-4f8f-b323-58349f1f8e43/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2683b039-1775-4f8f-b323-58349f1f8e43/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2b375ae29a973823eea93f22f40d893acb563fa864c4860e04525925a120d938 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 02:58:07,617 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 02:58:07,724 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2683b039-1775-4f8f-b323-58349f1f8e43/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-32bit-Taipan_Default.epf [2024-11-14 02:58:07,732 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 02:58:07,732 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 02:58:07,772 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 02:58:07,774 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 02:58:07,774 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 02:58:07,775 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 02:58:07,775 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 02:58:07,776 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 02:58:07,776 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 02:58:07,776 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 02:58:07,777 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 02:58:07,777 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 02:58:07,777 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 02:58:07,777 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 02:58:07,778 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 02:58:07,779 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 02:58:07,779 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 02:58:07,779 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 02:58:07,779 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 02:58:07,780 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 02:58:07,780 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 02:58:07,780 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 02:58:07,780 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 02:58:07,780 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 02:58:07,780 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 02:58:07,780 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 02:58:07,780 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 02:58:07,780 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 02:58:07,780 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 02:58:07,780 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-14 02:58:07,780 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 02:58:07,780 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 02:58:07,781 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 02:58:07,781 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 02:58:07,781 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 02:58:07,781 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 02:58:07,781 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 02:58:07,781 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:58:07,782 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 02:58:07,783 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 02:58:07,783 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 02:58:07,783 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 02:58:07,783 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 02:58:07,784 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 02:58:07,784 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 02:58:07,784 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 02:58:07,784 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_2683b039-1775-4f8f-b323-58349f1f8e43/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 ! overflow) ) 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 -> 2b375ae29a973823eea93f22f40d893acb563fa864c4860e04525925a120d938 [2024-11-14 02:58:08,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 02:58:08,228 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 02:58:08,232 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 02:58:08,234 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 02:58:08,234 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 02:58:08,237 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2683b039-1775-4f8f-b323-58349f1f8e43/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps6-ll.c Unable to find full path for "g++" [2024-11-14 02:58:10,847 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 02:58:11,132 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 02:58:11,133 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2683b039-1775-4f8f-b323-58349f1f8e43/sv-benchmarks/c/recursified_nla-digbench/recursified_ps6-ll.c [2024-11-14 02:58:11,144 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2683b039-1775-4f8f-b323-58349f1f8e43/bin/utaipan-verify-sOmjnqqW8E/data/001dc5f50/435fa500365248c1bdfb78c98d1dc4ef/FLAGe171ae0c7 [2024-11-14 02:58:11,439 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2683b039-1775-4f8f-b323-58349f1f8e43/bin/utaipan-verify-sOmjnqqW8E/data/001dc5f50/435fa500365248c1bdfb78c98d1dc4ef [2024-11-14 02:58:11,442 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 02:58:11,444 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 02:58:11,447 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 02:58:11,447 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 02:58:11,453 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 02:58:11,455 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:58:11" (1/1) ... [2024-11-14 02:58:11,456 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77f99c67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:11, skipping insertion in model container [2024-11-14 02:58:11,459 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:58:11" (1/1) ... [2024-11-14 02:58:11,482 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 02:58:11,723 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:58:11,744 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 02:58:11,808 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:58:11,836 INFO L204 MainTranslator]: Completed translation [2024-11-14 02:58:11,837 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:11 WrapperNode [2024-11-14 02:58:11,838 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 02:58:11,840 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 02:58:11,840 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 02:58:11,842 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 02:58:11,853 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:11" (1/1) ... [2024-11-14 02:58:11,868 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:11" (1/1) ... [2024-11-14 02:58:11,919 INFO L138 Inliner]: procedures = 16, calls = 84, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 143 [2024-11-14 02:58:11,922 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 02:58:11,923 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 02:58:11,924 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 02:58:11,924 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 02:58:11,941 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:11" (1/1) ... [2024-11-14 02:58:11,942 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:11" (1/1) ... [2024-11-14 02:58:11,946 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:11" (1/1) ... [2024-11-14 02:58:11,948 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:11" (1/1) ... [2024-11-14 02:58:11,964 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:11" (1/1) ... [2024-11-14 02:58:11,970 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:11" (1/1) ... [2024-11-14 02:58:11,973 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:11" (1/1) ... [2024-11-14 02:58:11,976 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:11" (1/1) ... [2024-11-14 02:58:11,984 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 02:58:11,985 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 02:58:11,988 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 02:58:11,988 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 02:58:11,990 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:11" (1/1) ... [2024-11-14 02:58:12,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:58:12,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2683b039-1775-4f8f-b323-58349f1f8e43/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:58:12,036 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2683b039-1775-4f8f-b323-58349f1f8e43/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 02:58:12,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2683b039-1775-4f8f-b323-58349f1f8e43/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 02:58:12,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 02:58:12,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 02:58:12,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 02:58:12,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 02:58:12,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 02:58:12,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 02:58:12,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 02:58:12,082 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-14 02:58:12,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-14 02:58:12,083 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_27_to_35_0 [2024-11-14 02:58:12,083 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_27_to_35_0 [2024-11-14 02:58:12,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 02:58:12,232 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 02:58:12,235 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 02:58:16,695 INFO L? ?]: Removed 502 outVars from TransFormulas that were not future-live. [2024-11-14 02:58:16,695 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 02:58:16,782 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 02:58:16,782 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 02:58:16,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:58:16 BoogieIcfgContainer [2024-11-14 02:58:16,783 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 02:58:16,790 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 02:58:16,790 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 02:58:16,802 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 02:58:16,803 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 02:58:11" (1/3) ... [2024-11-14 02:58:16,804 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@795031e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:58:16, skipping insertion in model container [2024-11-14 02:58:16,804 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:58:11" (2/3) ... [2024-11-14 02:58:16,805 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@795031e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:58:16, skipping insertion in model container [2024-11-14 02:58:16,805 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:58:16" (3/3) ... [2024-11-14 02:58:16,806 INFO L112 eAbstractionObserver]: Analyzing ICFG recursified_ps6-ll.c [2024-11-14 02:58:16,830 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 02:58:16,833 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG recursified_ps6-ll.c that has 3 procedures, 222 locations, 1 initial locations, 0 loop locations, and 102 error locations. [2024-11-14 02:58:16,919 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 02:58:16,941 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;@6ed520a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 02:58:16,942 INFO L334 AbstractCegarLoop]: Starting to check reachability of 102 error locations. [2024-11-14 02:58:16,949 INFO L276 IsEmpty]: Start isEmpty. Operand has 222 states, 112 states have (on average 1.9285714285714286) internal successors, (216), 215 states have internal predecessors, (216), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-14 02:58:16,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-14 02:58:16,959 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:58:16,960 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-14 02:58:16,960 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting func_to_recursive_line_27_to_35_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-14 02:58:16,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:58:16,968 INFO L85 PathProgramCache]: Analyzing trace with hash 282779244, now seen corresponding path program 1 times [2024-11-14 02:58:16,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:58:16,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902938710] [2024-11-14 02:58:16,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:58:16,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:58:17,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:58:18,085 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 02:58:18,087 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:58:18,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902938710] [2024-11-14 02:58:18,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902938710] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:58:18,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:58:18,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 02:58:18,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732748318] [2024-11-14 02:58:18,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:58:18,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 02:58:18,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:58:18,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 02:58:18,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-14 02:58:18,144 INFO L87 Difference]: Start difference. First operand has 222 states, 112 states have (on average 1.9285714285714286) internal successors, (216), 215 states have internal predecessors, (216), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 6 states, 4 states have (on average 1.0) internal successors, (4), 4 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 02:58:19,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:58:19,920 INFO L93 Difference]: Finished difference Result 510 states and 519 transitions. [2024-11-14 02:58:19,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 02:58:19,924 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 1.0) internal successors, (4), 4 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-14 02:58:19,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:58:19,940 INFO L225 Difference]: With dead ends: 510 [2024-11-14 02:58:19,941 INFO L226 Difference]: Without dead ends: 393 [2024-11-14 02:58:19,945 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-14 02:58:19,950 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 314 mSDsluCounter, 650 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 315 SdHoareTripleChecker+Valid, 812 SdHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-14 02:58:19,951 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [315 Valid, 812 Invalid, 326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 311 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-14 02:58:19,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2024-11-14 02:58:20,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 268. [2024-11-14 02:58:20,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 158 states have (on average 1.8417721518987342) internal successors, (291), 260 states have internal predecessors, (291), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-14 02:58:20,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 302 transitions. [2024-11-14 02:58:20,069 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 302 transitions. Word has length 5 [2024-11-14 02:58:20,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:58:20,070 INFO L471 AbstractCegarLoop]: Abstraction has 268 states and 302 transitions. [2024-11-14 02:58:20,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 1.0) internal successors, (4), 4 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 02:58:20,071 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 302 transitions. [2024-11-14 02:58:20,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-14 02:58:20,071 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:58:20,072 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:58:20,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 02:58:20,073 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting func_to_recursive_line_27_to_35_0Err12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-14 02:58:20,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:58:20,074 INFO L85 PathProgramCache]: Analyzing trace with hash 167032, now seen corresponding path program 1 times [2024-11-14 02:58:20,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:58:20,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477807516] [2024-11-14 02:58:20,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:58:20,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:58:20,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:58:20,977 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 02:58:20,977 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:58:20,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477807516] [2024-11-14 02:58:20,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477807516] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:58:20,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:58:20,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 02:58:20,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127479248] [2024-11-14 02:58:20,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:58:20,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-14 02:58:20,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:58:20,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-14 02:58:20,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-14 02:58:20,984 INFO L87 Difference]: Start difference. First operand 268 states and 302 transitions. Second operand has 7 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 02:58:23,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:58:23,932 INFO L93 Difference]: Finished difference Result 393 states and 398 transitions. [2024-11-14 02:58:23,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-14 02:58:23,933 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-11-14 02:58:23,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:58:23,936 INFO L225 Difference]: With dead ends: 393 [2024-11-14 02:58:23,936 INFO L226 Difference]: Without dead ends: 392 [2024-11-14 02:58:23,937 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-14 02:58:23,938 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 371 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 373 SdHoareTripleChecker+Valid, 685 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-14 02:58:23,938 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [373 Valid, 685 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-14 02:58:23,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2024-11-14 02:58:23,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 268. [2024-11-14 02:58:23,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 158 states have (on average 1.8354430379746836) internal successors, (290), 260 states have internal predecessors, (290), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-14 02:58:23,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 301 transitions. [2024-11-14 02:58:23,984 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 301 transitions. Word has length 17 [2024-11-14 02:58:23,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:58:23,985 INFO L471 AbstractCegarLoop]: Abstraction has 268 states and 301 transitions. [2024-11-14 02:58:23,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 02:58:23,985 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 301 transitions. [2024-11-14 02:58:23,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-14 02:58:23,987 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:58:23,988 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:58:23,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 02:58:23,988 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting func_to_recursive_line_27_to_35_0Err13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-14 02:58:23,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:58:23,989 INFO L85 PathProgramCache]: Analyzing trace with hash 5178176, now seen corresponding path program 1 times [2024-11-14 02:58:23,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:58:23,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443260602] [2024-11-14 02:58:23,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:58:23,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:58:24,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:58:24,553 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 02:58:24,554 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:58:24,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443260602] [2024-11-14 02:58:24,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443260602] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:58:24,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:58:24,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 02:58:24,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563474235] [2024-11-14 02:58:24,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:58:24,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-14 02:58:24,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:58:24,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-14 02:58:24,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-14 02:58:24,560 INFO L87 Difference]: Start difference. First operand 268 states and 301 transitions. Second operand has 7 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 02:58:27,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:58:27,141 INFO L93 Difference]: Finished difference Result 392 states and 397 transitions. [2024-11-14 02:58:27,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-14 02:58:27,142 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-11-14 02:58:27,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:58:27,145 INFO L225 Difference]: With dead ends: 392 [2024-11-14 02:58:27,145 INFO L226 Difference]: Without dead ends: 391 [2024-11-14 02:58:27,147 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-14 02:58:27,152 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 366 mSDsluCounter, 544 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 368 SdHoareTripleChecker+Valid, 689 SdHoareTripleChecker+Invalid, 394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-14 02:58:27,153 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [368 Valid, 689 Invalid, 394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-14 02:58:27,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2024-11-14 02:58:27,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 268. [2024-11-14 02:58:27,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 158 states have (on average 1.8291139240506329) internal successors, (289), 260 states have internal predecessors, (289), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-14 02:58:27,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 300 transitions. [2024-11-14 02:58:27,185 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 300 transitions. Word has length 18 [2024-11-14 02:58:27,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:58:27,186 INFO L471 AbstractCegarLoop]: Abstraction has 268 states and 300 transitions. [2024-11-14 02:58:27,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 02:58:27,189 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 300 transitions. [2024-11-14 02:58:27,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-14 02:58:27,189 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:58:27,190 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:58:27,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 02:58:27,190 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting func_to_recursive_line_27_to_35_0Err14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-14 02:58:27,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:58:27,191 INFO L85 PathProgramCache]: Analyzing trace with hash 160523642, now seen corresponding path program 1 times [2024-11-14 02:58:27,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:58:27,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545966002] [2024-11-14 02:58:27,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:58:27,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:58:27,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 02:58:27,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [233640465] [2024-11-14 02:58:27,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:58:27,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:58:27,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2683b039-1775-4f8f-b323-58349f1f8e43/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:58:27,227 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2683b039-1775-4f8f-b323-58349f1f8e43/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 02:58:27,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2683b039-1775-4f8f-b323-58349f1f8e43/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 02:58:27,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:58:27,371 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-14 02:58:27,381 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:58:27,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 02:58:29,388 INFO L349 Elim1Store]: treesize reduction 509, result has 32.8 percent of original size [2024-11-14 02:58:29,390 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 9 new quantified variables, introduced 29 case distinctions, treesize of input 2070 treesize of output 1610 [2024-11-14 02:58:29,599 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 42 treesize of output 38 [2024-11-14 02:58:30,079 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 17 treesize of output 15 [2024-11-14 02:58:30,952 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 17 treesize of output 15 [2024-11-14 02:58:34,821 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:58:34,960 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:58:34,977 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:58:34,988 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:58:35,006 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:58:35,045 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:58:35,046 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:58:35,097 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:58:35,149 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:58:35,170 INFO L224 Elim1Store]: Index analysis took 435 ms [2024-11-14 02:58:35,430 INFO L349 Elim1Store]: treesize reduction 183, result has 12.0 percent of original size [2024-11-14 02:58:35,430 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 21 case distinctions, treesize of input 157 treesize of output 288 [2024-11-14 02:58:36,110 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:58:36,268 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:58:36,269 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:58:36,272 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:58:36,285 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:58:36,369 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:58:36,370 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:58:36,418 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:58:36,421 INFO L224 Elim1Store]: Index analysis took 320 ms [2024-11-14 02:58:36,525 INFO L349 Elim1Store]: treesize reduction 108, result has 13.6 percent of original size [2024-11-14 02:58:36,526 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 20 case distinctions, treesize of input 448 treesize of output 571 [2024-11-14 02:58:37,883 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 49 treesize of output 44 [2024-11-14 02:58:38,399 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 45 treesize of output 40 [2024-11-14 02:58:38,546 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 49 treesize of output 44 [2024-11-14 02:58:38,985 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 49 treesize of output 44 [2024-11-14 02:58:40,726 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 33 treesize of output 29 [2024-11-14 02:58:40,796 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 45 treesize of output 40 [2024-11-14 02:58:41,149 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 45 treesize of output 40 [2024-11-14 02:58:41,234 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 45 treesize of output 40 [2024-11-14 02:58:41,433 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 25 treesize of output 22 [2024-11-14 02:58:41,506 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 25 treesize of output 22 [2024-11-14 02:58:48,444 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 7335 treesize of output 6497 [2024-11-14 02:59:12,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 02:59:12,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 02:59:12,454 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:59:12,585 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:59:12,604 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:59:13,103 INFO L349 Elim1Store]: treesize reduction 140, result has 28.2 percent of original size [2024-11-14 02:59:13,105 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 22 case distinctions, treesize of input 2490 treesize of output 2353 [2024-11-14 02:59:16,593 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:59:16,597 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:59:16,600 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:59:16,635 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:59:16,655 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:59:16,664 INFO L349 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2024-11-14 02:59:16,665 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 77 treesize of output 75 [2024-11-14 02:59:16,839 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:59:16,840 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:59:16,847 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:59:16,849 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:59:16,850 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:59:16,852 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:59:16,857 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:59:16,858 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:59:16,861 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 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 77 treesize of output 75 [2024-11-14 02:59:17,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 02:59:17,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 02:59:20,166 INFO L349 Elim1Store]: treesize reduction 395, result has 26.6 percent of original size [2024-11-14 02:59:20,167 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 9 new quantified variables, introduced 46 case distinctions, treesize of input 8424 treesize of output 7344 [2024-11-14 02:59:43,761 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:59:43,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 02:59:43,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 02:59:43,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 02:59:43,790 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:59:43,794 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:59:43,795 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:59:43,811 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 324 treesize of output 247 [2024-11-14 02:59:44,383 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:59:44,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 02:59:44,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 02:59:44,390 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:59:44,465 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:59:44,468 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:59:44,469 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:59:44,472 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:59:44,476 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:59:44,478 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 701 treesize of output 624 [2024-11-14 02:59:45,158 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:59:45,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 02:59:45,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 02:59:45,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 02:59:45,182 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:59:45,199 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:59:45,203 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 333 treesize of output 252 [2024-11-14 02:59:45,275 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:59:45,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 02:59:45,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 02:59:45,282 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:59:45,424 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:59:45,435 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:59:45,444 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:59:45,448 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:59:45,450 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 663 treesize of output 554 [2024-11-14 02:59:45,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 02:59:45,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 02:59:45,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 02:59:45,862 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:59:45,894 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:59:45,927 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:59:45,932 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:59:46,264 INFO L349 Elim1Store]: treesize reduction 95, result has 32.1 percent of original size [2024-11-14 02:59:46,265 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 932 treesize of output 1293 [2024-11-14 02:59:53,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 02:59:53,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 02:59:53,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 02:59:53,473 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:59:53,492 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:59:53,525 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:59:53,530 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:59:53,620 INFO L349 Elim1Store]: treesize reduction 63, result has 18.2 percent of original size [2024-11-14 02:59:53,620 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 642 treesize of output 675 [2024-11-14 02:59:54,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 02:59:54,864 INFO L349 Elim1Store]: treesize reduction 24, result has 41.5 percent of original size [2024-11-14 02:59:54,865 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 6 case distinctions, treesize of input 446 treesize of output 406 [2024-11-14 02:59:55,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 02:59:55,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 02:59:56,039 INFO L349 Elim1Store]: treesize reduction 52, result has 51.9 percent of original size [2024-11-14 02:59:56,040 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 7 case distinctions, treesize of input 395 treesize of output 441 [2024-11-14 02:59:57,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 02:59:57,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 02:59:57,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 02:59:57,055 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 127 [2024-11-14 02:59:57,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 02:59:57,085 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:59:57,090 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:59:57,090 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 02:59:57,091 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 55 [2024-11-14 02:59:57,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 02:59:57,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 02:59:57,808 INFO L349 Elim1Store]: treesize reduction 86, result has 44.9 percent of original size [2024-11-14 02:59:57,809 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 8 new quantified variables, introduced 11 case distinctions, treesize of input 839 treesize of output 959 [2024-11-14 03:00:01,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:00:01,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:00:01,686 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 03:00:01,694 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 03:00:01,695 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 833 treesize of output 830 [2024-11-14 03:00:02,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:00:02,204 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 03:00:02,207 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 159 treesize of output 147 [2024-11-14 03:00:02,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:00:02,248 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 03:00:02,254 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 03:00:02,255 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 210 treesize of output 144 [2024-11-14 03:00:02,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:00:02,295 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 03:00:02,298 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 0 case distinctions, treesize of input 95 treesize of output 84 [2024-11-14 03:00:02,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:00:02,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:00:03,249 INFO L349 Elim1Store]: treesize reduction 151, result has 36.0 percent of original size [2024-11-14 03:00:03,250 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 22 case distinctions, treesize of input 2882 treesize of output 2512 [2024-11-14 03:00:08,406 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 03:00:08,409 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 03:00:08,410 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 27 [2024-11-14 03:00:10,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:00:10,438 INFO L349 Elim1Store]: treesize reduction 108, result has 0.9 percent of original size [2024-11-14 03:00:10,439 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 7 case distinctions, treesize of input 285 treesize of output 261 [2024-11-14 03:00:10,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:00:10,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:00:10,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:00:10,655 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-14 03:00:10,656 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 111 treesize of output 44 [2024-11-14 03:00:10,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:00:10,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:00:10,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:00:10,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:00:10,675 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 46 [2024-11-14 03:03:08,760 WARN L286 SmtUtils]: Spent 2.35m on a formula simplification that was a NOOP. DAG size: 5203 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-11-14 03:03:08,766 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:03:08,778 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 51 select indices, 51 select index equivalence classes, 0 disjoint index pairs (out of 1275 index pairs), introduced 51 new quantified variables, introduced 1275 case distinctions, treesize of input 14519 treesize of output 23195 [2024-11-14 03:03:16,092 WARN L286 SmtUtils]: Spent 7.28s on a formula simplification. DAG size of input: 7015 DAG size of output: 5781 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 03:03:16,480 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 1519 treesize of output 1517 [2024-11-14 03:03:20,737 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 1517 treesize of output 1515 [2024-11-14 03:03:24,770 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 1515 treesize of output 1513 [2024-11-14 03:03:29,049 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 1513 treesize of output 1511 [2024-11-14 03:03:33,702 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 1511 treesize of output 1509 [2024-11-14 03:03:38,290 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 1509 treesize of output 1507 [2024-11-14 03:03:42,585 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 1507 treesize of output 1505 [2024-11-14 03:03:47,247 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 1505 treesize of output 1503 [2024-11-14 03:03:52,195 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 1503 treesize of output 1501 [2024-11-14 03:03:56,816 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 1501 treesize of output 1499 [2024-11-14 03:04:01,827 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 1499 treesize of output 1497 [2024-11-14 03:04:07,196 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 1497 treesize of output 1495 [2024-11-14 03:04:12,822 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 1495 treesize of output 1493 [2024-11-14 03:04:17,996 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 1493 treesize of output 1491 [2024-11-14 03:04:23,255 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 1491 treesize of output 1489 [2024-11-14 03:04:28,658 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 1489 treesize of output 1487