./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array23_pattern.c --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_02bd3f45-181a-4dee-9b5f-2caa2a8da335/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd3f45-181a-4dee-9b5f-2caa2a8da335/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_02bd3f45-181a-4dee-9b5f-2caa2a8da335/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd3f45-181a-4dee-9b5f-2caa2a8da335/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-patterns/array23_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd3f45-181a-4dee-9b5f-2caa2a8da335/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_02bd3f45-181a-4dee-9b5f-2caa2a8da335/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 e6bb9e1c9705c406859f1248122e92b7c01da6449c586b213f4fa087ea45e218 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:27:24,826 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:27:24,943 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd3f45-181a-4dee-9b5f-2caa2a8da335/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 03:27:24,951 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:27:24,952 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:27:24,994 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:27:24,995 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:27:24,995 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:27:24,996 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:27:24,996 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:27:24,996 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:27:24,997 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:27:24,997 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:27:24,997 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 03:27:24,997 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:27:24,999 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:27:24,999 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 03:27:24,999 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 03:27:25,000 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:27:25,000 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 03:27:25,000 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 03:27:25,000 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 03:27:25,001 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:27:25,001 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:27:25,001 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:27:25,001 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 03:27:25,001 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:27:25,002 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:27:25,002 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:27:25,002 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:27:25,003 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:27:25,003 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:27:25,003 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:27:25,003 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:27:25,003 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:27:25,003 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:27:25,003 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:27:25,003 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:27:25,004 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:27:25,004 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:27:25,004 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:27:25,004 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:27:25,004 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 03:27:25,004 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 03:27:25,004 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:27:25,004 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:27:25,004 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 03:27:25,004 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_02bd3f45-181a-4dee-9b5f-2caa2a8da335/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 -> e6bb9e1c9705c406859f1248122e92b7c01da6449c586b213f4fa087ea45e218 [2024-11-14 03:27:25,362 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:27:25,372 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:27:25,375 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:27:25,376 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:27:25,377 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:27:25,378 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd3f45-181a-4dee-9b5f-2caa2a8da335/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/array-patterns/array23_pattern.c Unable to find full path for "g++" [2024-11-14 03:27:27,481 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:27:27,877 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:27:27,878 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd3f45-181a-4dee-9b5f-2caa2a8da335/sv-benchmarks/c/array-patterns/array23_pattern.c [2024-11-14 03:27:27,897 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd3f45-181a-4dee-9b5f-2caa2a8da335/bin/utaipan-verify-sOmjnqqW8E/data/dd964ade7/cd3e294c6e884c8f87881a385f28ad81/FLAG9e4514a35 [2024-11-14 03:27:27,929 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd3f45-181a-4dee-9b5f-2caa2a8da335/bin/utaipan-verify-sOmjnqqW8E/data/dd964ade7/cd3e294c6e884c8f87881a385f28ad81 [2024-11-14 03:27:27,932 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:27:27,934 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:27:27,938 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:27:27,938 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:27:27,943 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:27:27,945 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:27:27" (1/1) ... [2024-11-14 03:27:27,946 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d26216f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:27:27, skipping insertion in model container [2024-11-14 03:27:27,946 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:27:27" (1/1) ... [2024-11-14 03:27:27,972 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:27:28,176 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_02bd3f45-181a-4dee-9b5f-2caa2a8da335/sv-benchmarks/c/array-patterns/array23_pattern.c[1347,1360] [2024-11-14 03:27:28,214 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:27:28,224 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:27:28,237 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_02bd3f45-181a-4dee-9b5f-2caa2a8da335/sv-benchmarks/c/array-patterns/array23_pattern.c[1347,1360] [2024-11-14 03:27:28,262 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:27:28,293 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:27:28,294 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:27:28 WrapperNode [2024-11-14 03:27:28,295 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:27:28,296 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:27:28,297 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:27:28,297 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:27:28,306 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:27:28" (1/1) ... [2024-11-14 03:27:28,315 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:27:28" (1/1) ... [2024-11-14 03:27:28,346 INFO L138 Inliner]: procedures = 17, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 105 [2024-11-14 03:27:28,348 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:27:28,348 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:27:28,348 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:27:28,349 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:27:28,357 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:27:28" (1/1) ... [2024-11-14 03:27:28,357 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:27:28" (1/1) ... [2024-11-14 03:27:28,359 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:27:28" (1/1) ... [2024-11-14 03:27:28,359 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:27:28" (1/1) ... [2024-11-14 03:27:28,365 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:27:28" (1/1) ... [2024-11-14 03:27:28,373 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:27:28" (1/1) ... [2024-11-14 03:27:28,375 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:27:28" (1/1) ... [2024-11-14 03:27:28,379 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:27:28" (1/1) ... [2024-11-14 03:27:28,385 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:27:28,385 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:27:28,386 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:27:28,386 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:27:28,390 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:27:28" (1/1) ... [2024-11-14 03:27:28,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:27:28,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd3f45-181a-4dee-9b5f-2caa2a8da335/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:27:28,428 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd3f45-181a-4dee-9b5f-2caa2a8da335/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:27:28,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd3f45-181a-4dee-9b5f-2caa2a8da335/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:27:28,454 INFO L130 BoogieDeclarations]: Found specification of procedure outerBoundaryPatternCheck [2024-11-14 03:27:28,455 INFO L138 BoogieDeclarations]: Found implementation of procedure outerBoundaryPatternCheck [2024-11-14 03:27:28,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:27:28,455 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 03:27:28,455 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 03:27:28,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 03:27:28,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 03:27:28,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 03:27:28,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:27:28,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:27:28,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 03:27:28,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 03:27:28,557 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:27:28,559 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:27:28,817 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-14 03:27:28,817 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:27:28,930 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:27:28,931 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-14 03:27:28,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:27:28 BoogieIcfgContainer [2024-11-14 03:27:28,933 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:27:28,936 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:27:28,936 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:27:28,944 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:27:28,944 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:27:27" (1/3) ... [2024-11-14 03:27:28,945 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d1007d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:27:28, skipping insertion in model container [2024-11-14 03:27:28,945 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:27:28" (2/3) ... [2024-11-14 03:27:28,946 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d1007d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:27:28, skipping insertion in model container [2024-11-14 03:27:28,946 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:27:28" (3/3) ... [2024-11-14 03:27:28,948 INFO L112 eAbstractionObserver]: Analyzing ICFG array23_pattern.c [2024-11-14 03:27:28,970 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:27:28,972 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG array23_pattern.c that has 3 procedures, 25 locations, 1 initial locations, 5 loop locations, and 1 error locations. [2024-11-14 03:27:29,056 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:27:29,077 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;@9184a84, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:27:29,077 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:27:29,084 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 16 states have (on average 1.5) internal successors, (24), 17 states have internal predecessors, (24), 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 03:27:29,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-14 03:27:29,094 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:27:29,095 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:27:29,095 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:27:29,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:27:29,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1966802634, now seen corresponding path program 1 times [2024-11-14 03:27:29,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:27:29,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592626213] [2024-11-14 03:27:29,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:27:29,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:27:29,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:27:29,304 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 03:27:29,305 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:27:29,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592626213] [2024-11-14 03:27:29,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592626213] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:27:29,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:27:29,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 03:27:29,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217233407] [2024-11-14 03:27:29,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:27:29,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 03:27:29,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:27:29,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 03:27:29,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 03:27:29,346 INFO L87 Difference]: Start difference. First operand has 25 states, 16 states have (on average 1.5) internal successors, (24), 17 states have internal predecessors, (24), 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 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-14 03:27:29,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:27:29,426 INFO L93 Difference]: Finished difference Result 33 states and 44 transitions. [2024-11-14 03:27:29,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 03:27:29,428 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2024-11-14 03:27:29,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:27:29,436 INFO L225 Difference]: With dead ends: 33 [2024-11-14 03:27:29,437 INFO L226 Difference]: Without dead ends: 23 [2024-11-14 03:27:29,441 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 03:27:29,446 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:27:29,448 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 22 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 03:27:29,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-11-14 03:27:29,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2024-11-14 03:27:29,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 15 states have internal predecessors, (20), 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 03:27:29,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 30 transitions. [2024-11-14 03:27:29,498 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 30 transitions. Word has length 11 [2024-11-14 03:27:29,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:27:29,500 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 30 transitions. [2024-11-14 03:27:29,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-14 03:27:29,501 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2024-11-14 03:27:29,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-14 03:27:29,504 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:27:29,505 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:27:29,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 03:27:29,505 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:27:29,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:27:29,507 INFO L85 PathProgramCache]: Analyzing trace with hash 413866603, now seen corresponding path program 1 times [2024-11-14 03:27:29,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:27:29,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932662769] [2024-11-14 03:27:29,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:27:29,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:27:29,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:27:30,078 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-14 03:27:30,078 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:27:30,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932662769] [2024-11-14 03:27:30,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932662769] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:27:30,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:27:30,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 03:27:30,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304076877] [2024-11-14 03:27:30,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:27:30,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:27:30,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:27:30,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:27:30,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:27:30,083 INFO L87 Difference]: Start difference. First operand 23 states and 30 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-14 03:27:30,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:27:30,158 INFO L93 Difference]: Finished difference Result 28 states and 36 transitions. [2024-11-14 03:27:30,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 03:27:30,159 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 26 [2024-11-14 03:27:30,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:27:30,160 INFO L225 Difference]: With dead ends: 28 [2024-11-14 03:27:30,160 INFO L226 Difference]: Without dead ends: 25 [2024-11-14 03:27:30,160 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:27:30,161 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 6 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:27:30,161 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 48 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 03:27:30,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-11-14 03:27:30,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2024-11-14 03:27:30,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 17 states have internal predecessors, (23), 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 03:27:30,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 33 transitions. [2024-11-14 03:27:30,168 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 33 transitions. Word has length 26 [2024-11-14 03:27:30,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:27:30,169 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 33 transitions. [2024-11-14 03:27:30,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-14 03:27:30,170 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2024-11-14 03:27:30,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-14 03:27:30,172 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:27:30,172 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:27:30,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 03:27:30,173 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:27:30,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:27:30,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1131275090, now seen corresponding path program 1 times [2024-11-14 03:27:30,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:27:30,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084105467] [2024-11-14 03:27:30,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:27:30,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:27:30,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:27:30,483 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-14 03:27:30,483 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:27:30,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084105467] [2024-11-14 03:27:30,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084105467] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:27:30,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:27:30,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 03:27:30,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36036559] [2024-11-14 03:27:30,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:27:30,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 03:27:30,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:27:30,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 03:27:30,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 03:27:30,486 INFO L87 Difference]: Start difference. First operand 25 states and 33 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-14 03:27:30,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:27:30,679 INFO L93 Difference]: Finished difference Result 51 states and 68 transitions. [2024-11-14 03:27:30,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 03:27:30,681 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 29 [2024-11-14 03:27:30,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:27:30,682 INFO L225 Difference]: With dead ends: 51 [2024-11-14 03:27:30,682 INFO L226 Difference]: Without dead ends: 30 [2024-11-14 03:27:30,682 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 03:27:30,683 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 11 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 03:27:30,684 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 45 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 03:27:30,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2024-11-14 03:27:30,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 26. [2024-11-14 03:27:30,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 18 states have internal predecessors, (24), 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 03:27:30,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 34 transitions. [2024-11-14 03:27:30,695 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 34 transitions. Word has length 29 [2024-11-14 03:27:30,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:27:30,695 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 34 transitions. [2024-11-14 03:27:30,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-14 03:27:30,696 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2024-11-14 03:27:30,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-14 03:27:30,697 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:27:30,697 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:27:30,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 03:27:30,697 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:27:30,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:27:30,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1757652080, now seen corresponding path program 1 times [2024-11-14 03:27:30,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:27:30,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711862791] [2024-11-14 03:27:30,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:27:30,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:27:30,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:27:30,899 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-14 03:27:30,899 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:27:30,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711862791] [2024-11-14 03:27:30,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711862791] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:27:30,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:27:30,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 03:27:30,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806169248] [2024-11-14 03:27:30,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:27:30,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:27:30,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:27:30,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:27:30,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:27:30,901 INFO L87 Difference]: Start difference. First operand 26 states and 34 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-14 03:27:31,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:27:31,016 INFO L93 Difference]: Finished difference Result 51 states and 69 transitions. [2024-11-14 03:27:31,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 03:27:31,017 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 31 [2024-11-14 03:27:31,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:27:31,017 INFO L225 Difference]: With dead ends: 51 [2024-11-14 03:27:31,017 INFO L226 Difference]: Without dead ends: 29 [2024-11-14 03:27:31,018 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:27:31,019 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 4 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:27:31,019 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 44 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 03:27:31,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2024-11-14 03:27:31,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 27. [2024-11-14 03:27:31,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 19 states have (on average 1.263157894736842) internal successors, (24), 19 states have internal predecessors, (24), 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 03:27:31,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 34 transitions. [2024-11-14 03:27:31,029 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 34 transitions. Word has length 31 [2024-11-14 03:27:31,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:27:31,030 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 34 transitions. [2024-11-14 03:27:31,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-14 03:27:31,030 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2024-11-14 03:27:31,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-14 03:27:31,031 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:27:31,031 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:27:31,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-14 03:27:31,031 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:27:31,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:27:31,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1725411946, now seen corresponding path program 1 times [2024-11-14 03:27:31,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:27:31,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170563663] [2024-11-14 03:27:31,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:27:31,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:27:31,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:27:31,244 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-14 03:27:31,244 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:27:31,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170563663] [2024-11-14 03:27:31,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170563663] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:27:31,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [969965228] [2024-11-14 03:27:31,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:27:31,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:27:31,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd3f45-181a-4dee-9b5f-2caa2a8da335/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:27:31,252 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd3f45-181a-4dee-9b5f-2caa2a8da335/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:27:31,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd3f45-181a-4dee-9b5f-2caa2a8da335/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 03:27:31,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:27:31,378 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-14 03:27:31,387 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:27:31,498 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-14 03:27:31,502 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:27:31,766 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-14 03:27:31,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [969965228] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:27:31,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [979522976] [2024-11-14 03:27:31,793 INFO L159 IcfgInterpreter]: Started Sifa with 23 locations of interest [2024-11-14 03:27:31,793 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 03:27:31,797 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 03:27:31,802 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 03:27:31,803 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 03:27:35,302 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 1 for LOIs [2024-11-14 03:27:35,305 INFO L197 IcfgInterpreter]: Interpreting procedure outerBoundaryPatternCheck with input of size 120 for LOIs [2024-11-14 03:27:35,420 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 03:27:40,570 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '476#true' at error location [2024-11-14 03:27:40,572 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 03:27:40,572 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 03:27:40,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 8] total 14 [2024-11-14 03:27:40,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679817427] [2024-11-14 03:27:40,573 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 03:27:40,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-14 03:27:40,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:27:40,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-14 03:27:40,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=709, Unknown=25, NotChecked=0, Total=870 [2024-11-14 03:27:40,577 INFO L87 Difference]: Start difference. First operand 27 states and 34 transitions. Second operand has 14 states, 11 states have (on average 3.0) internal successors, (33), 14 states have internal predecessors, (33), 3 states have call successors, (10), 2 states have call predecessors, (10), 5 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-14 03:27:40,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:27:40,779 INFO L93 Difference]: Finished difference Result 55 states and 71 transitions. [2024-11-14 03:27:40,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 03:27:40,780 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 11 states have (on average 3.0) internal successors, (33), 14 states have internal predecessors, (33), 3 states have call successors, (10), 2 states have call predecessors, (10), 5 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 32 [2024-11-14 03:27:40,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:27:40,782 INFO L225 Difference]: With dead ends: 55 [2024-11-14 03:27:40,782 INFO L226 Difference]: Without dead ends: 33 [2024-11-14 03:27:40,783 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 330 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=143, Invalid=761, Unknown=26, NotChecked=0, Total=930 [2024-11-14 03:27:40,783 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 42 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 03:27:40,784 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 29 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 03:27:40,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2024-11-14 03:27:40,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 31. [2024-11-14 03:27:40,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 22 states have internal predecessors, (27), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-14 03:27:40,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 37 transitions. [2024-11-14 03:27:40,802 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 37 transitions. Word has length 32 [2024-11-14 03:27:40,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:27:40,802 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 37 transitions. [2024-11-14 03:27:40,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 11 states have (on average 3.0) internal successors, (33), 14 states have internal predecessors, (33), 3 states have call successors, (10), 2 states have call predecessors, (10), 5 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-14 03:27:40,805 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions. [2024-11-14 03:27:40,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-14 03:27:40,806 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:27:40,806 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:27:40,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd3f45-181a-4dee-9b5f-2caa2a8da335/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 03:27:41,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd3f45-181a-4dee-9b5f-2caa2a8da335/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:27:41,007 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:27:41,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:27:41,007 INFO L85 PathProgramCache]: Analyzing trace with hash -1076447757, now seen corresponding path program 2 times [2024-11-14 03:27:41,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:27:41,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368766368] [2024-11-14 03:27:41,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:27:41,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:27:41,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:27:41,258 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-14 03:27:41,258 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:27:41,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368766368] [2024-11-14 03:27:41,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368766368] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:27:41,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [949638956] [2024-11-14 03:27:41,259 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-14 03:27:41,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:27:41,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd3f45-181a-4dee-9b5f-2caa2a8da335/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:27:41,263 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd3f45-181a-4dee-9b5f-2caa2a8da335/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:27:41,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd3f45-181a-4dee-9b5f-2caa2a8da335/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-14 03:27:41,356 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-14 03:27:41,356 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 03:27:41,358 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-14 03:27:41,360 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:27:41,508 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-14 03:27:41,508 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:27:41,669 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-14 03:27:41,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [949638956] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:27:41,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1748793034] [2024-11-14 03:27:41,673 INFO L159 IcfgInterpreter]: Started Sifa with 23 locations of interest [2024-11-14 03:27:41,673 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 03:27:41,674 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 03:27:41,674 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 03:27:41,674 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 03:27:43,389 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 1 for LOIs [2024-11-14 03:27:43,391 INFO L197 IcfgInterpreter]: Interpreting procedure outerBoundaryPatternCheck with input of size 118 for LOIs [2024-11-14 03:27:43,461 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 03:27:46,249 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '841#true' at error location [2024-11-14 03:27:46,250 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 03:27:46,250 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 03:27:46,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 13 [2024-11-14 03:27:46,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295689417] [2024-11-14 03:27:46,250 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 03:27:46,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-14 03:27:46,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:27:46,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-14 03:27:46,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=690, Unknown=23, NotChecked=0, Total=812 [2024-11-14 03:27:46,253 INFO L87 Difference]: Start difference. First operand 31 states and 37 transitions. Second operand has 13 states, 11 states have (on average 3.909090909090909) internal successors, (43), 13 states have internal predecessors, (43), 3 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-14 03:27:46,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:27:46,594 INFO L93 Difference]: Finished difference Result 66 states and 82 transitions. [2024-11-14 03:27:46,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-14 03:27:46,595 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 3.909090909090909) internal successors, (43), 13 states have internal predecessors, (43), 3 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 34 [2024-11-14 03:27:46,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:27:46,596 INFO L225 Difference]: With dead ends: 66 [2024-11-14 03:27:46,596 INFO L226 Difference]: Without dead ends: 45 [2024-11-14 03:27:46,600 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 78 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 342 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=136, Invalid=893, Unknown=27, NotChecked=0, Total=1056 [2024-11-14 03:27:46,601 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 37 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 03:27:46,601 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 53 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 03:27:46,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-11-14 03:27:46,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 39. [2024-11-14 03:27:46,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 30 states have internal predecessors, (37), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-14 03:27:46,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 47 transitions. [2024-11-14 03:27:46,614 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 47 transitions. Word has length 34 [2024-11-14 03:27:46,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:27:46,614 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 47 transitions. [2024-11-14 03:27:46,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 3.909090909090909) internal successors, (43), 13 states have internal predecessors, (43), 3 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-14 03:27:46,615 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2024-11-14 03:27:46,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-14 03:27:46,616 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:27:46,616 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:27:46,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd3f45-181a-4dee-9b5f-2caa2a8da335/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-14 03:27:46,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd3f45-181a-4dee-9b5f-2caa2a8da335/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-14 03:27:46,816 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:27:46,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:27:46,817 INFO L85 PathProgramCache]: Analyzing trace with hash 525298555, now seen corresponding path program 3 times [2024-11-14 03:27:46,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:27:46,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169916265] [2024-11-14 03:27:46,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:27:46,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:27:46,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 03:27:46,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [747602777] [2024-11-14 03:27:46,907 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-14 03:27:46,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:27:46,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd3f45-181a-4dee-9b5f-2caa2a8da335/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:27:46,911 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd3f45-181a-4dee-9b5f-2caa2a8da335/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:27:46,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd3f45-181a-4dee-9b5f-2caa2a8da335/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-14 03:27:47,678 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-14 03:27:47,678 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 03:27:47,680 INFO L255 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 83 conjuncts are in the unsatisfiable core [2024-11-14 03:27:47,686 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:27:47,789 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 03:27:47,843 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 19 treesize of output 18 [2024-11-14 03:27:48,029 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:27:48,029 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 1 case distinctions, treesize of input 26 treesize of output 28 [2024-11-14 03:27:48,110 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:27:48,110 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 38 [2024-11-14 03:27:49,298 INFO L349 Elim1Store]: treesize reduction 208, result has 33.5 percent of original size [2024-11-14 03:27:49,299 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 36 case distinctions, treesize of input 74 treesize of output 142 [2024-11-14 03:27:50,952 INFO L349 Elim1Store]: treesize reduction 96, result has 41.8 percent of original size [2024-11-14 03:27:50,953 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 265 treesize of output 279 [2024-11-14 03:27:52,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:27:52,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:27:52,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:27:52,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:27:52,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:27:52,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:27:52,240 INFO L349 Elim1Store]: treesize reduction 212, result has 0.5 percent of original size [2024-11-14 03:27:52,240 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 126 treesize of output 223 [2024-11-14 03:27:52,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:27:52,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:27:52,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:27:52,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:27:52,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:27:52,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:27:52,454 INFO L349 Elim1Store]: treesize reduction 144, result has 37.1 percent of original size [2024-11-14 03:27:52,455 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 137 treesize of output 171 [2024-11-14 03:27:55,346 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:27:55,347 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 162 treesize of output 112 [2024-11-14 03:27:55,640 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 38 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-14 03:27:55,640 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:28:33,208 WARN L286 SmtUtils]: Spent 9.81s on a formula simplification that was a NOOP. DAG size: 131 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:29:07,274 WARN L873 $PredicateComparison]: unable to prove that (or (< 2 c_~ARR_SIZE~0) (let ((.cse90 (mod (+ c_~ARR_SIZE~0 4294967295) 4294967296)) (.cse11 (* c_~ARR_SIZE~0 4))) (let ((.cse91 (= |c_outerBoundaryPatternCheck_#in~index| 0)) (.cse9 (* .cse90 .cse11)) (.cse28 (* .cse11 (+ .cse90 (- 4294967296)))) (.cse0 (< 2147483647 .cse90))) (and (or (let ((.cse12 (< .cse90 2147483648))) (and (or .cse0 (forall ((|v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| Int) (|v_ULTIMATE.start_main_~index2~0#1_BEFORE_CALL_28| Int) (|v_ULTIMATE.start_main_~#array~0#1.base_BEFORE_CALL_30| Int) (|v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_30| Int)) (let ((.cse10 (* |v_ULTIMATE.start_main_~index2~0#1_BEFORE_CALL_28| 4))) (let ((.cse4 (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| .cse11)) (.cse2 (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| .cse11 4)) (.cse3 (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| 4)) (.cse5 (select |c_#memory_int| |v_ULTIMATE.start_main_~#array~0#1.base_BEFORE_CALL_30|)) (.cse6 (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| .cse10)) (.cse7 (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| .cse9 .cse10))) (= (let ((.cse1 (store (store .cse5 .cse6 (* |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_30| |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_30|)) .cse7 |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_30|))) (+ (select .cse1 .cse2) (select .cse1 .cse3) (select .cse1 .cse4) (select .cse1 |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30|))) (let ((.cse8 (store (store .cse5 .cse6 (select .cse5 .cse6)) .cse7 |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_30|))) (+ (select .cse8 |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30|) (select .cse8 .cse4) (select .cse8 .cse2) (select .cse8 .cse3)))))))) (or .cse12 (forall ((|v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| Int) (|v_ULTIMATE.start_main_~index2~0#1_BEFORE_CALL_28| Int) (|v_ULTIMATE.start_main_~#array~0#1.base_BEFORE_CALL_30| Int) (|v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_30| Int)) (let ((.cse24 (* |v_ULTIMATE.start_main_~index2~0#1_BEFORE_CALL_28| 4))) (let ((.cse18 (select |c_#memory_int| |v_ULTIMATE.start_main_~#array~0#1.base_BEFORE_CALL_30|)) (.cse19 (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| .cse24))) (let ((.cse15 (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| .cse11 4)) (.cse17 (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| 4)) (.cse16 (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| .cse11)) (.cse23 (store .cse18 .cse19 (* |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_30| |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_30|))) (.cse20 (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| .cse28 .cse24))) (let ((.cse13 (let ((.cse27 (store .cse23 .cse20 |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_30|))) (+ (select .cse27 .cse15) (select .cse27 .cse17) (select .cse27 .cse16) (select .cse27 |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30|))))) (or (= .cse13 (let ((.cse14 (store (store .cse18 .cse19 (select .cse18 .cse19)) .cse20 |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_30|))) (+ (select .cse14 .cse15) (select .cse14 .cse16) (select .cse14 .cse17) (select .cse14 |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30|)))) (not (let ((.cse22 (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| 8))) (= (let ((.cse21 (store .cse23 (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| (- 17179869184) .cse24) |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_30|))) (+ (* 2 (select .cse21 .cse17)) (select .cse21 .cse22) (select .cse21 |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30|))) (let ((.cse25 (store .cse18 .cse19 |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_30|))) (+ (select .cse25 |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30|) (select .cse18 .cse22) (* 2 (select .cse25 .cse17))))))) (not (= (let ((.cse26 (store .cse23 (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| .cse9 .cse24) |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_30|))) (+ (select .cse26 .cse15) (select .cse26 .cse17) (select .cse26 .cse16) (select .cse26 |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30|))) .cse13))))))))) (or .cse0 (forall ((|v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| Int) (|v_ULTIMATE.start_main_~index2~0#1_BEFORE_CALL_28| Int) (|v_ULTIMATE.start_main_~#array~0#1.base_BEFORE_CALL_30| Int) (|v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_30| Int)) (let ((.cse41 (* |v_ULTIMATE.start_main_~index2~0#1_BEFORE_CALL_28| 4))) (let ((.cse37 (select |c_#memory_int| |v_ULTIMATE.start_main_~#array~0#1.base_BEFORE_CALL_30|)) (.cse38 (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| .cse41))) (let ((.cse30 (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| .cse11 4)) (.cse31 (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| 4)) (.cse32 (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| .cse11)) (.cse33 (store .cse37 .cse38 (* |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_30| |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_30|)))) (let ((.cse35 (let ((.cse43 (store .cse33 (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| .cse28 .cse41) |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_30|))) (+ (select .cse43 .cse30) (select .cse43 .cse31) (select .cse43 .cse32) (select .cse43 |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30|)))) (.cse34 (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| .cse9 .cse41))) (or (not (= (let ((.cse29 (store .cse33 .cse34 |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_30|))) (+ (select .cse29 .cse30) (select .cse29 .cse31) (select .cse29 .cse32) (select .cse29 |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30|))) .cse35)) (= .cse35 (let ((.cse36 (store (store .cse37 .cse38 (select .cse37 .cse38)) .cse34 |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_30|))) (+ (select .cse36 |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30|) (select .cse36 .cse32) (select .cse36 .cse30) (select .cse36 .cse31)))) (not (let ((.cse40 (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| 8))) (= (let ((.cse39 (store .cse33 (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| (- 17179869184) .cse41) |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_30|))) (+ (* 2 (select .cse39 .cse31)) (select .cse39 .cse40) (select .cse39 |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30|))) (let ((.cse42 (store .cse37 .cse38 |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_30|))) (+ (select .cse42 |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30|) (* 2 (select .cse42 .cse31)) (select .cse42 .cse40))))))))))))) (or .cse12 (forall ((|v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| Int) (|v_ULTIMATE.start_main_~index2~0#1_BEFORE_CALL_28| Int) (|v_ULTIMATE.start_main_~#array~0#1.base_BEFORE_CALL_30| Int) (|v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_30| Int)) (let ((.cse53 (* |v_ULTIMATE.start_main_~index2~0#1_BEFORE_CALL_28| 4))) (let ((.cse51 (select |c_#memory_int| |v_ULTIMATE.start_main_~#array~0#1.base_BEFORE_CALL_30|)) (.cse52 (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| .cse53))) (let ((.cse48 (store .cse51 .cse52 (* |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_30| |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_30|))) (.cse46 (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| 4))) (or (let ((.cse45 (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| .cse11 4)) (.cse47 (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| .cse11)) (.cse49 (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| .cse28 .cse53))) (= (let ((.cse44 (store .cse48 .cse49 |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_30|))) (+ (select .cse44 .cse45) (select .cse44 .cse46) (select .cse44 .cse47) (select .cse44 |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30|))) (let ((.cse50 (store (store .cse51 .cse52 (select .cse51 .cse52)) .cse49 |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_30|))) (+ (select .cse50 .cse45) (select .cse50 .cse47) (select .cse50 .cse46) (select .cse50 |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30|))))) (not (let ((.cse55 (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| 8))) (= (let ((.cse54 (store .cse48 (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| (- 17179869184) .cse53) |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_30|))) (+ (* 2 (select .cse54 .cse46)) (select .cse54 .cse55) (select .cse54 |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30|))) (let ((.cse56 (store .cse51 .cse52 |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_30|))) (+ (select .cse56 |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30|) (select .cse51 .cse55) (* 2 (select .cse56 .cse46))))))))))))) (or (= c_~ARR_SIZE~0 1) (and (or (forall ((|v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| Int) (|v_ULTIMATE.start_main_~index2~0#1_BEFORE_CALL_28| Int) (|v_ULTIMATE.start_main_~#array~0#1.base_BEFORE_CALL_30| Int) (|v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_30| Int)) (let ((.cse67 (* |v_ULTIMATE.start_main_~index2~0#1_BEFORE_CALL_28| 4))) (let ((.cse62 (select |c_#memory_int| |v_ULTIMATE.start_main_~#array~0#1.base_BEFORE_CALL_30|)) (.cse63 (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| .cse67))) (let ((.cse59 (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| .cse11 4)) (.cse61 (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| 4)) (.cse60 (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| .cse11)) (.cse66 (store .cse62 .cse63 (* |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_30| |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_30|))) (.cse64 (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| .cse28 .cse67))) (let ((.cse57 (let ((.cse68 (store .cse66 .cse64 |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_30|))) (+ (select .cse68 .cse59) (select .cse68 .cse61) (select .cse68 .cse60) (select .cse68 |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30|))))) (or (= .cse57 (let ((.cse58 (store (store .cse62 .cse63 (select .cse62 .cse63)) .cse64 |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_30|))) (+ (select .cse58 .cse59) (select .cse58 .cse60) (select .cse58 .cse61) (select .cse58 |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30|)))) (not (= (let ((.cse65 (store .cse66 (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| .cse9 .cse67) |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_30|))) (+ (select .cse65 .cse59) (select .cse65 .cse61) (select .cse65 .cse60) (select .cse65 |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30|))) .cse57)))))))) .cse12) (or (forall ((|v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| Int) (|v_ULTIMATE.start_main_~index2~0#1_BEFORE_CALL_28| Int) (|v_ULTIMATE.start_main_~#array~0#1.base_BEFORE_CALL_30| Int) (|v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_30| Int)) (let ((.cse79 (* |v_ULTIMATE.start_main_~index2~0#1_BEFORE_CALL_28| 4))) (let ((.cse77 (select |c_#memory_int| |v_ULTIMATE.start_main_~#array~0#1.base_BEFORE_CALL_30|)) (.cse78 (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| .cse79))) (let ((.cse70 (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| .cse11 4)) (.cse71 (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| 4)) (.cse72 (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| .cse11)) (.cse73 (store .cse77 .cse78 (* |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_30| |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_30|)))) (let ((.cse75 (let ((.cse80 (store .cse73 (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| .cse28 .cse79) |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_30|))) (+ (select .cse80 .cse70) (select .cse80 .cse71) (select .cse80 .cse72) (select .cse80 |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30|)))) (.cse74 (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| .cse9 .cse79))) (or (not (= (let ((.cse69 (store .cse73 .cse74 |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_30|))) (+ (select .cse69 .cse70) (select .cse69 .cse71) (select .cse69 .cse72) (select .cse69 |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30|))) .cse75)) (= .cse75 (let ((.cse76 (store (store .cse77 .cse78 (select .cse77 .cse78)) .cse74 |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_30|))) (+ (select .cse76 |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30|) (select .cse76 .cse72) (select .cse76 .cse70) (select .cse76 .cse71)))))))))) .cse0) (or (forall ((|v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| Int) (|v_ULTIMATE.start_main_~index2~0#1_BEFORE_CALL_28| Int) (|v_ULTIMATE.start_main_~#array~0#1.base_BEFORE_CALL_30| Int) (|v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_30| Int)) (let ((.cse89 (* |v_ULTIMATE.start_main_~index2~0#1_BEFORE_CALL_28| 4))) (let ((.cse82 (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| .cse11 4)) (.cse84 (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| .cse11)) (.cse83 (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| 4)) (.cse85 (select |c_#memory_int| |v_ULTIMATE.start_main_~#array~0#1.base_BEFORE_CALL_30|)) (.cse86 (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| .cse89)) (.cse87 (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| .cse28 .cse89))) (= (let ((.cse81 (store (store .cse85 .cse86 (* |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_30| |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_30|)) .cse87 |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_30|))) (+ (select .cse81 .cse82) (select .cse81 .cse83) (select .cse81 .cse84) (select .cse81 |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30|))) (let ((.cse88 (store (store .cse85 .cse86 (select .cse85 .cse86)) .cse87 |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_30|))) (+ (select .cse88 .cse82) (select .cse88 .cse84) (select .cse88 .cse83) (select .cse88 |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30|))))))) .cse12))))) (not .cse91)) (or (let ((.cse106 (* (mod (+ (* |c_outerBoundaryPatternCheck_#in~index| 4294967295) c_~ARR_SIZE~0 4294967295) 4294967296) .cse11)) (.cse107 (* |c_outerBoundaryPatternCheck_#in~index| .cse11))) (let ((.cse92 (forall ((|v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| Int) (|v_ULTIMATE.start_main_~index2~0#1_BEFORE_CALL_28| Int) (|v_ULTIMATE.start_main_~#array~0#1.base_BEFORE_CALL_30| Int) (|v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_30| Int)) (let ((.cse116 (* |v_ULTIMATE.start_main_~index2~0#1_BEFORE_CALL_28| 4))) (let ((.cse109 (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| .cse11)) (.cse110 (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| 4)) (.cse111 (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| .cse11 4)) (.cse112 (select |c_#memory_int| |v_ULTIMATE.start_main_~#array~0#1.base_BEFORE_CALL_30|)) (.cse113 (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| .cse116 .cse107)) (.cse114 (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| .cse116 .cse106))) (= (let ((.cse108 (store (store .cse112 .cse113 (select .cse112 .cse113)) .cse114 |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_30|))) (+ (select .cse108 |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30|) (select .cse108 .cse109) (select .cse108 .cse110) (select .cse108 .cse111))) (let ((.cse115 (store (store .cse112 .cse113 (* |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_30| |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_30|)) .cse114 |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_30|))) (+ (select .cse115 .cse109) (select .cse115 .cse110) (select .cse115 .cse111) (select .cse115 |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30|))))))))) (and (or .cse92 .cse91) (forall ((|v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| Int) (|v_ULTIMATE.start_main_~index2~0#1_BEFORE_CALL_28| Int) (|v_ULTIMATE.start_main_~#array~0#1.base_BEFORE_CALL_30| Int) (|v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_30| Int)) (let ((.cse96 (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| .cse11)) (.cse95 (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| 4)) (.cse94 (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| .cse11 4)) (.cse100 (select |c_#memory_int| |v_ULTIMATE.start_main_~#array~0#1.base_BEFORE_CALL_30|)) (.cse101 (* |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_30| |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_30|)) (.cse98 (* |v_ULTIMATE.start_main_~index2~0#1_BEFORE_CALL_28| 4))) (or (not (let ((.cse97 (store .cse100 (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| .cse98) .cse101))) (= (let ((.cse93 (store .cse97 (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| .cse9 .cse98) |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_30|))) (+ (select .cse93 .cse94) (select .cse93 .cse95) (select .cse93 .cse96) (select .cse93 |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30|))) (let ((.cse99 (store .cse97 (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| .cse28 .cse98) |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_30|))) (+ (select .cse99 .cse94) (select .cse99 .cse95) (select .cse99 .cse96) (select .cse99 |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30|)))))) (let ((.cse103 (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| .cse98 .cse107)) (.cse104 (+ |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30| .cse98 .cse106))) (= (let ((.cse102 (store (store .cse100 .cse103 (select .cse100 .cse103)) .cse104 |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_30|))) (+ (select .cse102 |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30|) (select .cse102 .cse96) (select .cse102 .cse95) (select .cse102 .cse94))) (let ((.cse105 (store (store .cse100 .cse103 .cse101) .cse104 |v_ULTIMATE.start_main_~num~0#1_BEFORE_CALL_30|))) (+ (select .cse105 .cse96) (select .cse105 .cse95) (select .cse105 .cse94) (select .cse105 |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_30|)))))))) (or .cse92 .cse0)))) (not (= (+ |c_outerBoundaryPatternCheck_#in~index| 1) c_~ARR_SIZE~0)))))) (< 0 |c_outerBoundaryPatternCheck_#res|)) is different from true [2024-11-14 03:29:11,333 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:29:11,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169916265] [2024-11-14 03:29:11,334 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-14 03:29:11,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [747602777] [2024-11-14 03:29:11,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [747602777] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:29:11,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [15855370] [2024-11-14 03:29:11,337 INFO L159 IcfgInterpreter]: Started Sifa with 23 locations of interest [2024-11-14 03:29:11,337 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 03:29:11,337 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 03:29:11,337 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 03:29:11,337 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 03:29:12,124 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 1 for LOIs [2024-11-14 03:29:12,125 INFO L197 IcfgInterpreter]: Interpreting procedure outerBoundaryPatternCheck with input of size 46 for LOIs [2024-11-14 03:29:12,138 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 03:29:27,702 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1496#(exists ((|v_ULTIMATE.start_main_~row~0#1_82| Int)) (and (<= ~ARR_SIZE~0 |v_ULTIMATE.start_main_~row~0#1_82|) (<= 1 ~ARR_SIZE~0)))' at error location [2024-11-14 03:29:27,702 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 03:29:27,702 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-14 03:29:27,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2024-11-14 03:29:27,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949803033] [2024-11-14 03:29:27,702 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-14 03:29:27,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-11-14 03:29:27,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:29:27,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-11-14 03:29:27,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=317, Invalid=3519, Unknown=74, NotChecked=122, Total=4032 [2024-11-14 03:29:27,706 INFO L87 Difference]: Start difference. First operand 39 states and 47 transitions. Second operand has 31 states, 25 states have (on average 1.24) internal successors, (31), 24 states have internal predecessors, (31), 5 states have call successors, (5), 3 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-14 03:29:30,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:29:30,026 INFO L93 Difference]: Finished difference Result 81 states and 100 transitions. [2024-11-14 03:29:30,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-14 03:29:30,027 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 25 states have (on average 1.24) internal successors, (31), 24 states have internal predecessors, (31), 5 states have call successors, (5), 3 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 42 [2024-11-14 03:29:30,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:29:30,029 INFO L225 Difference]: With dead ends: 81 [2024-11-14 03:29:30,029 INFO L226 Difference]: Without dead ends: 78 [2024-11-14 03:29:30,030 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 40 SyntacticMatches, 3 SemanticMatches, 65 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1767 ImplicationChecksByTransitivity, 64.0s TimeCoverageRelationStatistics Valid=353, Invalid=3866, Unknown=75, NotChecked=128, Total=4422 [2024-11-14 03:29:30,031 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 45 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 885 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 885 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-14 03:29:30,031 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 129 Invalid, 900 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 885 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-14 03:29:30,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-14 03:29:30,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 68. [2024-11-14 03:29:30,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 52 states have (on average 1.25) internal successors, (65), 52 states have internal predecessors, (65), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-14 03:29:30,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 83 transitions. [2024-11-14 03:29:30,055 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 83 transitions. Word has length 42 [2024-11-14 03:29:30,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:29:30,056 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 83 transitions. [2024-11-14 03:29:30,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 25 states have (on average 1.24) internal successors, (31), 24 states have internal predecessors, (31), 5 states have call successors, (5), 3 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-14 03:29:30,057 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 83 transitions. [2024-11-14 03:29:30,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-14 03:29:30,058 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:29:30,058 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:29:30,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd3f45-181a-4dee-9b5f-2caa2a8da335/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-14 03:29:30,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd3f45-181a-4dee-9b5f-2caa2a8da335/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:29:30,259 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:29:30,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:29:30,259 INFO L85 PathProgramCache]: Analyzing trace with hash -1269797260, now seen corresponding path program 4 times [2024-11-14 03:29:30,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:29:30,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890613318] [2024-11-14 03:29:30,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:29:30,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:29:30,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:29:30,498 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 17 proven. 14 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-14 03:29:30,498 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:29:30,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890613318] [2024-11-14 03:29:30,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890613318] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:29:30,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [154175753] [2024-11-14 03:29:30,498 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-14 03:29:30,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:29:30,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd3f45-181a-4dee-9b5f-2caa2a8da335/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:29:30,501 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd3f45-181a-4dee-9b5f-2caa2a8da335/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:29:30,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd3f45-181a-4dee-9b5f-2caa2a8da335/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-14 03:29:30,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:29:30,607 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-14 03:29:30,610 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:29:30,731 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 23 proven. 12 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-14 03:29:30,731 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:29:30,832 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 19 proven. 12 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-14 03:29:30,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [154175753] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:29:30,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1872490277] [2024-11-14 03:29:30,835 INFO L159 IcfgInterpreter]: Started Sifa with 23 locations of interest [2024-11-14 03:29:30,835 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 03:29:30,836 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 03:29:30,836 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 03:29:30,836 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 03:29:31,886 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 1 for LOIs [2024-11-14 03:29:31,887 INFO L197 IcfgInterpreter]: Interpreting procedure outerBoundaryPatternCheck with input of size 118 for LOIs [2024-11-14 03:29:31,926 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 03:29:35,848 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2054#(exists ((|v_ULTIMATE.start_main_~row~0#1_97| Int)) (and (<= ~ARR_SIZE~0 |v_ULTIMATE.start_main_~row~0#1_97|) (<= 1 ~ARR_SIZE~0)))' at error location [2024-11-14 03:29:35,848 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 03:29:35,848 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 03:29:35,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 14 [2024-11-14 03:29:35,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078571528] [2024-11-14 03:29:35,849 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 03:29:35,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-14 03:29:35,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:29:35,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-14 03:29:35,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=964, Unknown=37, NotChecked=0, Total=1122 [2024-11-14 03:29:35,850 INFO L87 Difference]: Start difference. First operand 68 states and 83 transitions. Second operand has 14 states, 14 states have (on average 2.642857142857143) internal successors, (37), 14 states have internal predecessors, (37), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-14 03:29:36,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:29:36,190 INFO L93 Difference]: Finished difference Result 156 states and 194 transitions. [2024-11-14 03:29:36,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 03:29:36,191 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.642857142857143) internal successors, (37), 14 states have internal predecessors, (37), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 43 [2024-11-14 03:29:36,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:29:36,192 INFO L225 Difference]: With dead ends: 156 [2024-11-14 03:29:36,192 INFO L226 Difference]: Without dead ends: 100 [2024-11-14 03:29:36,195 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 99 SyntacticMatches, 5 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 407 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=140, Invalid=1083, Unknown=37, NotChecked=0, Total=1260 [2024-11-14 03:29:36,196 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 5 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-14 03:29:36,196 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 75 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-14 03:29:36,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-11-14 03:29:36,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 93. [2024-11-14 03:29:36,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 71 states have (on average 1.2253521126760563) internal successors, (87), 71 states have internal predecessors, (87), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-14 03:29:36,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 113 transitions. [2024-11-14 03:29:36,244 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 113 transitions. Word has length 43 [2024-11-14 03:29:36,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:29:36,244 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 113 transitions. [2024-11-14 03:29:36,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.642857142857143) internal successors, (37), 14 states have internal predecessors, (37), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-14 03:29:36,245 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 113 transitions. [2024-11-14 03:29:36,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-14 03:29:36,246 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:29:36,246 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:29:36,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd3f45-181a-4dee-9b5f-2caa2a8da335/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-14 03:29:36,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd3f45-181a-4dee-9b5f-2caa2a8da335/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:29:36,451 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:29:36,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:29:36,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1761745333, now seen corresponding path program 5 times [2024-11-14 03:29:36,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:29:36,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494481552] [2024-11-14 03:29:36,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:29:36,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:29:36,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:29:36,691 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-14 03:29:36,691 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:29:36,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494481552] [2024-11-14 03:29:36,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494481552] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:29:36,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [153581112] [2024-11-14 03:29:36,692 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-14 03:29:36,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:29:36,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd3f45-181a-4dee-9b5f-2caa2a8da335/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:29:36,695 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd3f45-181a-4dee-9b5f-2caa2a8da335/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:29:36,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd3f45-181a-4dee-9b5f-2caa2a8da335/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-14 03:29:37,351 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-11-14 03:29:37,351 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 03:29:37,353 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-14 03:29:37,354 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:29:37,492 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 24 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-14 03:29:37,492 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:29:37,637 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 5 proven. 24 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-14 03:29:37,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [153581112] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:29:37,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [846176328] [2024-11-14 03:29:37,640 INFO L159 IcfgInterpreter]: Started Sifa with 23 locations of interest [2024-11-14 03:29:37,640 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 03:29:37,640 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 03:29:37,640 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 03:29:37,640 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 03:29:38,365 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 1 for LOIs [2024-11-14 03:29:38,366 INFO L197 IcfgInterpreter]: Interpreting procedure outerBoundaryPatternCheck with input of size 46 for LOIs [2024-11-14 03:29:38,374 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 03:29:40,843 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2796#(exists ((|v_ULTIMATE.start_main_~row~0#1_117| Int)) (and (<= ~ARR_SIZE~0 |v_ULTIMATE.start_main_~row~0#1_117|) (<= 1 ~ARR_SIZE~0)))' at error location [2024-11-14 03:29:40,843 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 03:29:40,843 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 03:29:40,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 16 [2024-11-14 03:29:40,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207302228] [2024-11-14 03:29:40,843 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 03:29:40,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-14 03:29:40,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:29:40,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-14 03:29:40,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=906, Unknown=39, NotChecked=0, Total=1056 [2024-11-14 03:29:40,846 INFO L87 Difference]: Start difference. First operand 93 states and 113 transitions. Second operand has 16 states, 16 states have (on average 3.25) internal successors, (52), 16 states have internal predecessors, (52), 3 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-14 03:29:41,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:29:41,961 INFO L93 Difference]: Finished difference Result 130 states and 157 transitions. [2024-11-14 03:29:41,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-14 03:29:41,961 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.25) internal successors, (52), 16 states have internal predecessors, (52), 3 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 43 [2024-11-14 03:29:41,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:29:41,962 INFO L225 Difference]: With dead ends: 130 [2024-11-14 03:29:41,962 INFO L226 Difference]: Without dead ends: 101 [2024-11-14 03:29:41,963 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 101 SyntacticMatches, 4 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 691 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=366, Invalid=2227, Unknown=59, NotChecked=0, Total=2652 [2024-11-14 03:29:41,964 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 25 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 420 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-14 03:29:41,964 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 234 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 420 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-14 03:29:41,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-11-14 03:29:42,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 94. [2024-11-14 03:29:42,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 72 states have (on average 1.1805555555555556) internal successors, (85), 72 states have internal predecessors, (85), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-14 03:29:42,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 111 transitions. [2024-11-14 03:29:42,008 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 111 transitions. Word has length 43 [2024-11-14 03:29:42,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:29:42,008 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 111 transitions. [2024-11-14 03:29:42,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.25) internal successors, (52), 16 states have internal predecessors, (52), 3 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-14 03:29:42,009 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 111 transitions. [2024-11-14 03:29:42,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-14 03:29:42,010 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:29:42,010 INFO L215 NwaCegarLoop]: trace histogram [6, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:29:42,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd3f45-181a-4dee-9b5f-2caa2a8da335/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-14 03:29:42,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd3f45-181a-4dee-9b5f-2caa2a8da335/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-14 03:29:42,211 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:29:42,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:29:42,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1300129727, now seen corresponding path program 6 times [2024-11-14 03:29:42,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:29:42,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420436150] [2024-11-14 03:29:42,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:29:42,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:29:42,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:29:42,464 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 24 proven. 23 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-14 03:29:42,464 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:29:42,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420436150] [2024-11-14 03:29:42,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420436150] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:29:42,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1868627579] [2024-11-14 03:29:42,465 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-14 03:29:42,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:29:42,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd3f45-181a-4dee-9b5f-2caa2a8da335/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:29:42,470 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd3f45-181a-4dee-9b5f-2caa2a8da335/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:29:42,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd3f45-181a-4dee-9b5f-2caa2a8da335/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-14 03:29:42,581 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-14 03:29:42,581 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 03:29:42,585 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-14 03:29:42,587 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:29:42,777 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 39 proven. 12 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-14 03:29:42,777 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:29:42,944 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 35 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-14 03:29:42,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1868627579] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:29:42,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1097803736] [2024-11-14 03:29:42,948 INFO L159 IcfgInterpreter]: Started Sifa with 23 locations of interest [2024-11-14 03:29:42,948 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 03:29:42,949 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 03:29:42,949 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 03:29:42,949 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 03:29:43,763 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 1 for LOIs [2024-11-14 03:29:43,764 INFO L197 IcfgInterpreter]: Interpreting procedure outerBoundaryPatternCheck with input of size 46 for LOIs [2024-11-14 03:29:43,776 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 03:29:47,088 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3255#true' at error location [2024-11-14 03:29:47,088 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 03:29:47,088 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 03:29:47,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 14 [2024-11-14 03:29:47,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697281489] [2024-11-14 03:29:47,089 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 03:29:47,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-14 03:29:47,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:29:47,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-14 03:29:47,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=709, Unknown=14, NotChecked=0, Total=812 [2024-11-14 03:29:47,090 INFO L87 Difference]: Start difference. First operand 94 states and 111 transitions. Second operand has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-14 03:29:47,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:29:47,517 INFO L93 Difference]: Finished difference Result 109 states and 125 transitions. [2024-11-14 03:29:47,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-14 03:29:47,518 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 46 [2024-11-14 03:29:47,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:29:47,519 INFO L225 Difference]: With dead ends: 109 [2024-11-14 03:29:47,519 INFO L226 Difference]: Without dead ends: 92 [2024-11-14 03:29:47,520 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 113 SyntacticMatches, 5 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 405 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=182, Invalid=1210, Unknown=14, NotChecked=0, Total=1406 [2024-11-14 03:29:47,521 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 4 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 03:29:47,521 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 82 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 03:29:47,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-11-14 03:29:47,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 89. [2024-11-14 03:29:47,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 67 states have (on average 1.164179104477612) internal successors, (78), 67 states have internal predecessors, (78), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-14 03:29:47,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 104 transitions. [2024-11-14 03:29:47,554 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 104 transitions. Word has length 46 [2024-11-14 03:29:47,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:29:47,555 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 104 transitions. [2024-11-14 03:29:47,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-14 03:29:47,555 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 104 transitions. [2024-11-14 03:29:47,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-14 03:29:47,556 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:29:47,557 INFO L215 NwaCegarLoop]: trace histogram [9, 6, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:29:47,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd3f45-181a-4dee-9b5f-2caa2a8da335/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-14 03:29:47,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd3f45-181a-4dee-9b5f-2caa2a8da335/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-14 03:29:47,761 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:29:47,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:29:47,761 INFO L85 PathProgramCache]: Analyzing trace with hash -1879783086, now seen corresponding path program 7 times [2024-11-14 03:29:47,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:29:47,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542934911] [2024-11-14 03:29:47,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:29:47,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:29:47,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:29:48,058 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 1 proven. 24 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2024-11-14 03:29:48,058 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:29:48,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542934911] [2024-11-14 03:29:48,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542934911] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:29:48,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1101623040] [2024-11-14 03:29:48,059 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-14 03:29:48,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:29:48,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd3f45-181a-4dee-9b5f-2caa2a8da335/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:29:48,062 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd3f45-181a-4dee-9b5f-2caa2a8da335/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:29:48,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd3f45-181a-4dee-9b5f-2caa2a8da335/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-14 03:29:48,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:29:48,205 INFO L255 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-14 03:29:48,207 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:29:48,394 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 7 proven. 22 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-14 03:29:48,395 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:29:48,572 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 3 proven. 22 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2024-11-14 03:29:48,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1101623040] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:29:48,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [675544181] [2024-11-14 03:29:48,575 INFO L159 IcfgInterpreter]: Started Sifa with 23 locations of interest [2024-11-14 03:29:48,576 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 03:29:48,577 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 03:29:48,577 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 03:29:48,577 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 03:29:49,603 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 1 for LOIs [2024-11-14 03:29:49,605 INFO L197 IcfgInterpreter]: Interpreting procedure outerBoundaryPatternCheck with input of size 118 for LOIs [2024-11-14 03:29:49,650 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 03:29:53,106 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4249#(exists ((|v_ULTIMATE.start_main_~row~0#1_159| Int)) (and (<= ~ARR_SIZE~0 |v_ULTIMATE.start_main_~row~0#1_159|) (<= 1 ~ARR_SIZE~0)))' at error location [2024-11-14 03:29:53,106 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 03:29:53,106 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 03:29:53,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 20 [2024-11-14 03:29:53,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996582240] [2024-11-14 03:29:53,106 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 03:29:53,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-14 03:29:53,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:29:53,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-14 03:29:53,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=1353, Unknown=47, NotChecked=0, Total=1560 [2024-11-14 03:29:53,108 INFO L87 Difference]: Start difference. First operand 89 states and 104 transitions. Second operand has 20 states, 20 states have (on average 2.05) internal successors, (41), 20 states have internal predecessors, (41), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-14 03:29:53,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:29:53,568 INFO L93 Difference]: Finished difference Result 134 states and 159 transitions. [2024-11-14 03:29:53,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-14 03:29:53,569 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 2.05) internal successors, (41), 20 states have internal predecessors, (41), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 51 [2024-11-14 03:29:53,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:29:53,570 INFO L225 Difference]: With dead ends: 134 [2024-11-14 03:29:53,570 INFO L226 Difference]: Without dead ends: 102 [2024-11-14 03:29:53,571 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 119 SyntacticMatches, 3 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 753 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=222, Invalid=1614, Unknown=56, NotChecked=0, Total=1892 [2024-11-14 03:29:53,572 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 18 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 03:29:53,572 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 125 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 03:29:53,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-11-14 03:29:53,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 94. [2024-11-14 03:29:53,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 72 states have (on average 1.1666666666666667) internal successors, (84), 72 states have internal predecessors, (84), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-14 03:29:53,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 110 transitions. [2024-11-14 03:29:53,594 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 110 transitions. Word has length 51 [2024-11-14 03:29:53,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:29:53,594 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 110 transitions. [2024-11-14 03:29:53,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 2.05) internal successors, (41), 20 states have internal predecessors, (41), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-14 03:29:53,594 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 110 transitions. [2024-11-14 03:29:53,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-14 03:29:53,595 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:29:53,596 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:29:53,611 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd3f45-181a-4dee-9b5f-2caa2a8da335/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-14 03:29:53,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd3f45-181a-4dee-9b5f-2caa2a8da335/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-14 03:29:53,796 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:29:53,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:29:53,797 INFO L85 PathProgramCache]: Analyzing trace with hash -161034797, now seen corresponding path program 1 times [2024-11-14 03:29:53,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:29:53,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837252425] [2024-11-14 03:29:53,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:29:53,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:29:53,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 03:29:53,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1228883607] [2024-11-14 03:29:53,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:29:53,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:29:53,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd3f45-181a-4dee-9b5f-2caa2a8da335/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:29:53,901 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd3f45-181a-4dee-9b5f-2caa2a8da335/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:29:53,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd3f45-181a-4dee-9b5f-2caa2a8da335/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-14 03:29:57,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:29:57,941 WARN L253 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 125 conjuncts are in the unsatisfiable core [2024-11-14 03:29:57,949 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:29:58,086 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 03:29:58,150 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 19 treesize of output 18 [2024-11-14 03:29:58,390 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:29:58,390 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 1 case distinctions, treesize of input 26 treesize of output 28 [2024-11-14 03:29:58,496 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:29:58,496 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 38 [2024-11-14 03:29:59,981 INFO L349 Elim1Store]: treesize reduction 208, result has 33.5 percent of original size [2024-11-14 03:29:59,981 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 36 case distinctions, treesize of input 74 treesize of output 142 [2024-11-14 03:30:01,498 INFO L349 Elim1Store]: treesize reduction 96, result has 41.8 percent of original size [2024-11-14 03:30:01,498 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 265 treesize of output 279 [2024-11-14 03:30:02,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:30:02,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:30:02,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:30:02,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:30:02,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:30:02,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:30:02,445 INFO L349 Elim1Store]: treesize reduction 212, result has 0.5 percent of original size [2024-11-14 03:30:02,446 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 126 treesize of output 223 [2024-11-14 03:30:02,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:30:02,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:30:02,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:30:02,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:30:02,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:30:02,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:30:02,665 INFO L349 Elim1Store]: treesize reduction 144, result has 37.1 percent of original size [2024-11-14 03:30:02,665 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 137 treesize of output 171 [2024-11-14 03:30:07,081 INFO L349 Elim1Store]: treesize reduction 704, result has 34.1 percent of original size [2024-11-14 03:30:07,082 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 20 select indices, 20 select index equivalence classes, 6 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 210 case distinctions, treesize of input 263 treesize of output 499 [2024-11-14 03:30:21,656 INFO L349 Elim1Store]: treesize reduction 896, result has 21.1 percent of original size [2024-11-14 03:30:21,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 119 case distinctions, treesize of input 918 treesize of output 962 [2024-11-14 03:31:06,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:31:06,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:31:06,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:31:06,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:31:06,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:31:06,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:31:08,510 INFO L349 Elim1Store]: treesize reduction 770, result has 27.4 percent of original size [2024-11-14 03:31:08,511 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 9 select indices, 9 select index equivalence classes, 13 disjoint index pairs (out of 36 index pairs), introduced 11 new quantified variables, introduced 42 case distinctions, treesize of input 1214 treesize of output 1473 [2024-11-14 03:35:02,260 WARN L286 SmtUtils]: Spent 5.50s on a formula simplification that was a NOOP. DAG size: 754 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 03:36:44,200 WARN L286 SmtUtils]: Spent 5.60s on a formula simplification. DAG size of input: 909 DAG size of output: 916 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-14 03:40:52,076 WARN L286 SmtUtils]: Spent 6.13s on a formula simplification that was a NOOP. DAG size: 781 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)