./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_table_remove_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_1a6720d1-b798-4ce7-b0bb-34fcd91dc6b2/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6720d1-b798-4ce7-b0bb-34fcd91dc6b2/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_1a6720d1-b798-4ce7-b0bb-34fcd91dc6b2/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6720d1-b798-4ce7-b0bb-34fcd91dc6b2/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_table_remove_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6720d1-b798-4ce7-b0bb-34fcd91dc6b2/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6720d1-b798-4ce7-b0bb-34fcd91dc6b2/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 64bit --witnessprinter.graph.data.programhash 190ae31efe96144321a53f6fa3a58be363d46a0faaff78a47cf06f9f2e955d78 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:30:28,906 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:30:28,987 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6720d1-b798-4ce7-b0bb-34fcd91dc6b2/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-14 03:30:28,992 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:30:28,993 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:30:29,031 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:30:29,033 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:30:29,033 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:30:29,034 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:30:29,034 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:30:29,035 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:30:29,036 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:30:29,036 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:30:29,036 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 03:30:29,036 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:30:29,036 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:30:29,036 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 03:30:29,037 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 03:30:29,037 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:30:29,037 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 03:30:29,038 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 03:30:29,038 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 03:30:29,038 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:30:29,038 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:30:29,038 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 03:30:29,038 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:30:29,039 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:30:29,039 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:30:29,039 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:30:29,039 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:30:29,039 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:30:29,039 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:30:29,040 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:30:29,040 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:30:29,040 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:30:29,041 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:30:29,041 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:30:29,041 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:30:29,041 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:30:29,041 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 03:30:29,041 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 03:30:29,041 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:30:29,042 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:30:29,042 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 03:30:29,042 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_1a6720d1-b798-4ce7-b0bb-34fcd91dc6b2/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 190ae31efe96144321a53f6fa3a58be363d46a0faaff78a47cf06f9f2e955d78 [2024-11-14 03:30:29,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:30:29,390 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:30:29,393 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:30:29,394 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:30:29,394 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:30:29,396 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6720d1-b798-4ce7-b0bb-34fcd91dc6b2/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/aws-c-common/aws_hash_table_remove_harness_negated.i Unable to find full path for "g++" [2024-11-14 03:30:31,252 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:30:31,905 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:30:31,908 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6720d1-b798-4ce7-b0bb-34fcd91dc6b2/sv-benchmarks/c/aws-c-common/aws_hash_table_remove_harness_negated.i [2024-11-14 03:30:31,964 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6720d1-b798-4ce7-b0bb-34fcd91dc6b2/bin/utaipan-verify-sOmjnqqW8E/data/7d3a9c00e/28173411176c4fcf8fb1e6b92e44ced7/FLAGe40754e73 [2024-11-14 03:30:32,316 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6720d1-b798-4ce7-b0bb-34fcd91dc6b2/bin/utaipan-verify-sOmjnqqW8E/data/7d3a9c00e/28173411176c4fcf8fb1e6b92e44ced7 [2024-11-14 03:30:32,319 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:30:32,320 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:30:32,322 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:30:32,322 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:30:32,327 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:30:32,328 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:30:32" (1/1) ... [2024-11-14 03:30:32,329 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22692078 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:32, skipping insertion in model container [2024-11-14 03:30:32,329 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:30:32" (1/1) ... [2024-11-14 03:30:32,432 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:30:32,737 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_1a6720d1-b798-4ce7-b0bb-34fcd91dc6b2/sv-benchmarks/c/aws-c-common/aws_hash_table_remove_harness_negated.i[4495,4508] [2024-11-14 03:30:32,745 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_1a6720d1-b798-4ce7-b0bb-34fcd91dc6b2/sv-benchmarks/c/aws-c-common/aws_hash_table_remove_harness_negated.i[4555,4568] [2024-11-14 03:30:33,920 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 03:30:33,921 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 03:30:33,921 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 03:30:33,922 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 03:30:33,923 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 03:30:33,955 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 03:30:33,960 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 03:30:33,962 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 03:30:33,963 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 03:30:33,965 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 03:30:33,966 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 03:30:33,967 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 03:30:33,967 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 03:30:35,243 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 03:30:35,243 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 03:30:35,284 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 03:30:35,285 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 03:30:35,298 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 03:30:35,298 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 03:30:35,319 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 03:30:35,320 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 03:30:35,321 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 03:30:35,321 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 03:30:35,321 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 03:30:35,322 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 03:30:35,322 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 03:30:35,380 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_1a6720d1-b798-4ce7-b0bb-34fcd91dc6b2/sv-benchmarks/c/aws-c-common/aws_hash_table_remove_harness_negated.i[230039,230052] [2024-11-14 03:30:35,381 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:30:35,426 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:30:35,445 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_1a6720d1-b798-4ce7-b0bb-34fcd91dc6b2/sv-benchmarks/c/aws-c-common/aws_hash_table_remove_harness_negated.i[4495,4508] [2024-11-14 03:30:35,445 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_1a6720d1-b798-4ce7-b0bb-34fcd91dc6b2/sv-benchmarks/c/aws-c-common/aws_hash_table_remove_harness_negated.i[4555,4568] [2024-11-14 03:30:35,514 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 03:30:35,515 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 03:30:35,515 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 03:30:35,516 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 03:30:35,516 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 03:30:35,528 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 03:30:35,528 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 03:30:35,529 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 03:30:35,529 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 03:30:35,530 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 03:30:35,531 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 03:30:35,532 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 03:30:35,532 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 03:30:35,689 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7544-7555] [2024-11-14 03:30:35,807 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 03:30:35,808 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 03:30:35,818 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 03:30:35,819 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 03:30:35,822 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 03:30:35,823 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 03:30:35,837 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 03:30:35,838 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 03:30:35,839 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 03:30:35,840 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 03:30:35,841 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 03:30:35,841 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 03:30:35,841 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 03:30:35,900 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_1a6720d1-b798-4ce7-b0bb-34fcd91dc6b2/sv-benchmarks/c/aws-c-common/aws_hash_table_remove_harness_negated.i[230039,230052] [2024-11-14 03:30:35,901 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:30:36,188 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:30:36,189 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:36 WrapperNode [2024-11-14 03:30:36,189 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:30:36,191 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:30:36,191 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:30:36,191 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:30:36,197 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:36" (1/1) ... [2024-11-14 03:30:36,362 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:36" (1/1) ... [2024-11-14 03:30:36,518 INFO L138 Inliner]: procedures = 764, calls = 2494, calls flagged for inlining = 70, calls inlined = 19, statements flattened = 1095 [2024-11-14 03:30:36,521 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:30:36,521 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:30:36,525 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:30:36,525 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:30:36,533 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:36" (1/1) ... [2024-11-14 03:30:36,533 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:36" (1/1) ... [2024-11-14 03:30:36,545 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:36" (1/1) ... [2024-11-14 03:30:36,545 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:36" (1/1) ... [2024-11-14 03:30:36,584 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:36" (1/1) ... [2024-11-14 03:30:36,590 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:36" (1/1) ... [2024-11-14 03:30:36,600 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:36" (1/1) ... [2024-11-14 03:30:36,605 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:36" (1/1) ... [2024-11-14 03:30:36,620 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:30:36,621 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:30:36,621 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:30:36,621 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:30:36,622 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:36" (1/1) ... [2024-11-14 03:30:36,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:30:36,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6720d1-b798-4ce7-b0bb-34fcd91dc6b2/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:30:36,679 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6720d1-b798-4ce7-b0bb-34fcd91dc6b2/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:30:36,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6720d1-b798-4ce7-b0bb-34fcd91dc6b2/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:30:36,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-14 03:30:36,713 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_keys_eq [2024-11-14 03:30:36,714 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_keys_eq [2024-11-14 03:30:36,714 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_equals [2024-11-14 03:30:36,714 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_equals [2024-11-14 03:30:36,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 03:30:36,715 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-14 03:30:36,715 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-14 03:30:36,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-14 03:30:36,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-14 03:30:36,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 03:30:36,715 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-14 03:30:36,715 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-14 03:30:36,715 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-14 03:30:36,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-14 03:30:36,715 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2024-11-14 03:30:36,715 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2024-11-14 03:30:36,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-14 03:30:36,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:30:36,716 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2024-11-14 03:30:36,716 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2024-11-14 03:30:36,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-14 03:30:36,716 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-14 03:30:36,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-14 03:30:36,716 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_hasher [2024-11-14 03:30:36,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_hasher [2024-11-14 03:30:36,716 INFO L130 BoogieDeclarations]: Found specification of procedure s_safe_eq_check [2024-11-14 03:30:36,716 INFO L138 BoogieDeclarations]: Found implementation of procedure s_safe_eq_check [2024-11-14 03:30:36,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:30:36,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:30:36,717 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-14 03:30:36,717 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-14 03:30:36,717 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-14 03:30:36,717 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-14 03:30:36,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-14 03:30:36,717 INFO L130 BoogieDeclarations]: Found specification of procedure s_find_entry [2024-11-14 03:30:36,717 INFO L138 BoogieDeclarations]: Found implementation of procedure s_find_entry [2024-11-14 03:30:36,717 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 03:30:36,717 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 03:30:36,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 03:30:36,717 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-14 03:30:36,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-14 03:30:36,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-14 03:30:36,717 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2024-11-14 03:30:36,717 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2024-11-14 03:30:36,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-14 03:30:36,718 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-14 03:30:36,718 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-14 03:30:36,718 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-14 03:30:36,718 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-14 03:30:36,718 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-14 03:30:36,718 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-14 03:30:36,718 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-14 03:30:36,718 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-14 03:30:36,718 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_entry [2024-11-14 03:30:36,718 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_entry [2024-11-14 03:30:36,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 03:30:36,720 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_for [2024-11-14 03:30:36,720 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_for [2024-11-14 03:30:36,720 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-11-14 03:30:36,720 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-11-14 03:30:36,720 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-11-14 03:30:36,720 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-11-14 03:30:36,720 INFO L130 BoogieDeclarations]: Found specification of procedure uninterpreted_equals [2024-11-14 03:30:36,721 INFO L138 BoogieDeclarations]: Found implementation of procedure uninterpreted_equals [2024-11-14 03:30:36,721 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-14 03:30:36,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-14 03:30:36,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 03:30:36,721 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2024-11-14 03:30:36,721 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2024-11-14 03:30:37,184 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:30:37,187 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:30:37,525 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !true; [2024-11-14 03:30:37,527 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##47: assume !true; [2024-11-14 03:30:37,578 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume !true; [2024-11-14 03:30:37,655 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !true; [2024-11-14 03:30:41,641 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume !true; [2024-11-14 03:30:41,641 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !true; [2024-11-14 03:30:41,818 INFO L? ?]: Removed 314 outVars from TransFormulas that were not future-live. [2024-11-14 03:30:41,818 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:30:42,424 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:30:42,424 INFO L316 CfgBuilder]: Removed 16 assume(true) statements. [2024-11-14 03:30:42,425 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:30:42 BoogieIcfgContainer [2024-11-14 03:30:42,425 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:30:42,427 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:30:42,427 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:30:42,432 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:30:42,433 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:30:32" (1/3) ... [2024-11-14 03:30:42,433 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72820117 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:30:42, skipping insertion in model container [2024-11-14 03:30:42,434 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:36" (2/3) ... [2024-11-14 03:30:42,434 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72820117 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:30:42, skipping insertion in model container [2024-11-14 03:30:42,434 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:30:42" (3/3) ... [2024-11-14 03:30:42,435 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_table_remove_harness_negated.i [2024-11-14 03:30:42,454 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:30:42,456 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_table_remove_harness_negated.i that has 28 procedures, 259 locations, 1 initial locations, 9 loop locations, and 1 error locations. [2024-11-14 03:30:42,532 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:30:42,548 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;@41041149, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:30:42,549 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:30:42,553 INFO L276 IsEmpty]: Start isEmpty. Operand has 259 states, 149 states have (on average 1.221476510067114) internal successors, (182), 144 states have internal predecessors, (182), 87 states have call successors, (87), 27 states have call predecessors, (87), 27 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2024-11-14 03:30:42,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-14 03:30:42,569 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:30:42,570 INFO L215 NwaCegarLoop]: trace histogram [15, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:30:42,571 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:30:42,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:30:42,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1409032192, now seen corresponding path program 1 times [2024-11-14 03:30:42,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:30:42,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473191697] [2024-11-14 03:30:42,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:30:42,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:30:51,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:30:52,828 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2024-11-14 03:30:52,829 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:30:52,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473191697] [2024-11-14 03:30:52,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473191697] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:30:52,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:30:52,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 03:30:52,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803145357] [2024-11-14 03:30:52,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:30:52,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 03:30:52,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:30:52,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 03:30:52,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 03:30:52,866 INFO L87 Difference]: Start difference. First operand has 259 states, 149 states have (on average 1.221476510067114) internal successors, (182), 144 states have internal predecessors, (182), 87 states have call successors, (87), 27 states have call predecessors, (87), 27 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) Second operand has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-14 03:30:54,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:30:57,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:30:59,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:31:01,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:31:03,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:31:03,995 INFO L93 Difference]: Finished difference Result 488 states and 698 transitions. [2024-11-14 03:31:03,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 03:31:03,998 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) Word has length 127 [2024-11-14 03:31:03,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:31:04,012 INFO L225 Difference]: With dead ends: 488 [2024-11-14 03:31:04,012 INFO L226 Difference]: Without dead ends: 259 [2024-11-14 03:31:04,021 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 03:31:04,026 INFO L432 NwaCegarLoop]: 301 mSDtfsCounter, 0 mSDsluCounter, 899 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1200 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2024-11-14 03:31:04,027 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1200 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 175 Invalid, 4 Unknown, 0 Unchecked, 11.0s Time] [2024-11-14 03:31:04,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2024-11-14 03:31:04,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 259. [2024-11-14 03:31:04,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 143 states have (on average 1.1888111888111887) internal successors, (170), 145 states have internal predecessors, (170), 87 states have call successors, (87), 27 states have call predecessors, (87), 28 states have return successors, (86), 86 states have call predecessors, (86), 85 states have call successors, (86) [2024-11-14 03:31:04,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 343 transitions. [2024-11-14 03:31:04,118 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 343 transitions. Word has length 127 [2024-11-14 03:31:04,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:31:04,120 INFO L471 AbstractCegarLoop]: Abstraction has 259 states and 343 transitions. [2024-11-14 03:31:04,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-14 03:31:04,121 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 343 transitions. [2024-11-14 03:31:04,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-14 03:31:04,123 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:31:04,123 INFO L215 NwaCegarLoop]: trace histogram [15, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:31:04,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 03:31:04,124 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:31:04,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:31:04,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1552247040, now seen corresponding path program 1 times [2024-11-14 03:31:04,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:31:04,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080489227] [2024-11-14 03:31:04,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:31:04,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:31:10,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:31:17,197 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-14 03:31:17,197 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:31:17,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080489227] [2024-11-14 03:31:17,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080489227] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:31:17,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [40264867] [2024-11-14 03:31:17,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:31:17,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:31:17,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6720d1-b798-4ce7-b0bb-34fcd91dc6b2/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:31:17,204 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6720d1-b798-4ce7-b0bb-34fcd91dc6b2/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:31:17,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6720d1-b798-4ce7-b0bb-34fcd91dc6b2/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 03:31:23,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:31:23,839 INFO L255 TraceCheckSpWp]: Trace formula consists of 4457 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-14 03:31:23,859 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:31:25,012 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-14 03:31:27,736 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-14 03:31:27,736 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:31:27,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [40264867] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:31:27,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 03:31:27,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 14 [2024-11-14 03:31:27,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554787069] [2024-11-14 03:31:27,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:31:27,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 03:31:27,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:31:27,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 03:31:27,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-14 03:31:27,741 INFO L87 Difference]: Start difference. First operand 259 states and 343 transitions. Second operand has 9 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 4 states have call successors, (32), 3 states have call predecessors, (32), 4 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2024-11-14 03:31:29,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:31:32,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:31:34,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:31:36,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:31:39,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:31:41,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:31:44,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-14 03:31:47,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:31:49,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:31:51,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:31:54,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:31:58,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:32:00,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:32:02,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:32:04,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:32:06,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:32:09,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:32:11,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:32:14,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:32:16,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:32:18,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:32:20,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:32:22,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:32:24,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:32:27,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:32:30,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 03:32:30,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:32:30,295 INFO L93 Difference]: Finished difference Result 514 states and 673 transitions. [2024-11-14 03:32:30,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-14 03:32:30,296 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 4 states have call successors, (32), 3 states have call predecessors, (32), 4 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) Word has length 131 [2024-11-14 03:32:30,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:32:30,302 INFO L225 Difference]: With dead ends: 514 [2024-11-14 03:32:30,302 INFO L226 Difference]: Without dead ends: 303 [2024-11-14 03:32:30,305 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2024-11-14 03:32:30,306 INFO L432 NwaCegarLoop]: 303 mSDtfsCounter, 61 mSDsluCounter, 1358 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 11 mSolverCounterUnsat, 26 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 59.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 1661 SdHoareTripleChecker+Invalid, 578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 26 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 61.4s IncrementalHoareTripleChecker+Time [2024-11-14 03:32:30,306 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 1661 Invalid, 578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 541 Invalid, 26 Unknown, 0 Unchecked, 61.4s Time] [2024-11-14 03:32:30,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2024-11-14 03:32:30,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 302. [2024-11-14 03:32:30,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 167 states have (on average 1.1736526946107784) internal successors, (196), 170 states have internal predecessors, (196), 95 states have call successors, (95), 37 states have call predecessors, (95), 39 states have return successors, (96), 94 states have call predecessors, (96), 93 states have call successors, (96) [2024-11-14 03:32:30,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 387 transitions. [2024-11-14 03:32:30,363 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 387 transitions. Word has length 131 [2024-11-14 03:32:30,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:32:30,363 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 387 transitions. [2024-11-14 03:32:30,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 4 states have call successors, (32), 3 states have call predecessors, (32), 4 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2024-11-14 03:32:30,367 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 387 transitions. [2024-11-14 03:32:30,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-14 03:32:30,374 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:32:30,374 INFO L215 NwaCegarLoop]: trace histogram [15, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:32:30,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6720d1-b798-4ce7-b0bb-34fcd91dc6b2/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-14 03:32:30,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6720d1-b798-4ce7-b0bb-34fcd91dc6b2/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-14 03:32:30,575 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:32:30,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:32:30,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1334477557, now seen corresponding path program 1 times [2024-11-14 03:32:30,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:32:30,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280402664] [2024-11-14 03:32:30,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:32:30,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:32:37,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:32:42,380 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2024-11-14 03:32:42,380 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:32:42,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280402664] [2024-11-14 03:32:42,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280402664] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:32:42,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [976672827] [2024-11-14 03:32:42,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:32:42,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:32:42,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6720d1-b798-4ce7-b0bb-34fcd91dc6b2/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:32:42,385 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6720d1-b798-4ce7-b0bb-34fcd91dc6b2/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:32:42,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6720d1-b798-4ce7-b0bb-34fcd91dc6b2/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-14 03:32:51,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:32:51,429 INFO L255 TraceCheckSpWp]: Trace formula consists of 4481 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-14 03:32:51,436 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:32:52,597 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-14 03:32:52,597 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:32:52,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [976672827] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:32:52,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 03:32:52,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 14 [2024-11-14 03:32:52,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174494875] [2024-11-14 03:32:52,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:32:52,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-14 03:32:52,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:32:52,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-14 03:32:52,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2024-11-14 03:32:52,600 INFO L87 Difference]: Start difference. First operand 302 states and 387 transitions. Second operand has 8 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 3 states have call successors, (33), 2 states have call predecessors, (33), 5 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) [2024-11-14 03:32:54,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:32:56,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:32:59,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:33:01,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:33:03,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:33:06,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:33:08,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 03:33:13,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:33:13,269 INFO L93 Difference]: Finished difference Result 524 states and 692 transitions. [2024-11-14 03:33:13,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-14 03:33:13,270 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 3 states have call successors, (33), 2 states have call predecessors, (33), 5 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) Word has length 137 [2024-11-14 03:33:13,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:33:13,275 INFO L225 Difference]: With dead ends: 524 [2024-11-14 03:33:13,275 INFO L226 Difference]: Without dead ends: 308 [2024-11-14 03:33:13,277 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2024-11-14 03:33:13,278 INFO L432 NwaCegarLoop]: 273 mSDtfsCounter, 0 mSDsluCounter, 1609 mSDsCounter, 0 mSdLazyCounter, 485 mSolverCounterSat, 3 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1882 SdHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 485 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.6s IncrementalHoareTripleChecker+Time [2024-11-14 03:33:13,278 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1882 Invalid, 495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 485 Invalid, 7 Unknown, 0 Unchecked, 20.6s Time] [2024-11-14 03:33:13,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2024-11-14 03:33:13,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 302. [2024-11-14 03:33:13,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 167 states have (on average 1.1676646706586826) internal successors, (195), 170 states have internal predecessors, (195), 95 states have call successors, (95), 37 states have call predecessors, (95), 39 states have return successors, (96), 94 states have call predecessors, (96), 93 states have call successors, (96) [2024-11-14 03:33:13,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 386 transitions. [2024-11-14 03:33:13,336 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 386 transitions. Word has length 137 [2024-11-14 03:33:13,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:33:13,338 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 386 transitions. [2024-11-14 03:33:13,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 3 states have call successors, (33), 2 states have call predecessors, (33), 5 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) [2024-11-14 03:33:13,339 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 386 transitions. [2024-11-14 03:33:13,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-14 03:33:13,344 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:33:13,344 INFO L215 NwaCegarLoop]: trace histogram [15, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:33:13,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6720d1-b798-4ce7-b0bb-34fcd91dc6b2/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-14 03:33:13,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6720d1-b798-4ce7-b0bb-34fcd91dc6b2/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-11-14 03:33:13,545 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:33:13,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:33:13,545 INFO L85 PathProgramCache]: Analyzing trace with hash 1580583775, now seen corresponding path program 1 times [2024-11-14 03:33:13,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:33:13,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880433676] [2024-11-14 03:33:13,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:33:13,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:33:21,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:33:44,734 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2024-11-14 03:33:44,734 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:33:44,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880433676] [2024-11-14 03:33:44,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880433676] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 03:33:44,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1324439919] [2024-11-14 03:33:44,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:33:44,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:33:44,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6720d1-b798-4ce7-b0bb-34fcd91dc6b2/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:33:44,739 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6720d1-b798-4ce7-b0bb-34fcd91dc6b2/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:33:44,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6720d1-b798-4ce7-b0bb-34fcd91dc6b2/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-14 03:33:53,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:33:54,027 INFO L255 TraceCheckSpWp]: Trace formula consists of 4510 conjuncts, 90 conjuncts are in the unsatisfiable core [2024-11-14 03:33:54,043 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:33:54,132 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-14 03:33:59,339 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2024-11-14 03:33:59,340 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2024-11-14 03:34:00,162 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-14 03:34:01,077 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 3 [2024-11-14 03:34:02,853 INFO L349 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2024-11-14 03:34:02,853 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 24 treesize of output 28 [2024-11-14 03:34:04,652 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-14 03:34:05,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:34:05,527 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-11-14 03:34:05,528 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 21 [2024-11-14 03:34:06,384 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 03:34:06,431 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 36 [2024-11-14 03:34:06,548 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-14 03:34:26,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:34:26,453 INFO L349 Elim1Store]: treesize reduction 21, result has 30.0 percent of original size [2024-11-14 03:34:26,453 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 25 [2024-11-14 03:34:26,798 INFO L349 Elim1Store]: treesize reduction 36, result has 29.4 percent of original size [2024-11-14 03:34:26,799 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 40 [2024-11-14 03:34:26,895 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2024-11-14 03:34:29,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:34:30,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:34:31,353 INFO L349 Elim1Store]: treesize reduction 207, result has 36.3 percent of original size [2024-11-14 03:34:31,353 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 283 treesize of output 350 [2024-11-14 03:34:31,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:34:31,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 03:34:31,677 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-14 03:34:31,677 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 184 treesize of output 184 [2024-11-14 03:34:32,100 INFO L224 Elim1Store]: Index analysis took 127 ms