./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_table_put_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_4a6cb512-e0e5-42b2-b4f0-e6103479ad4d/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a6cb512-e0e5-42b2-b4f0-e6103479ad4d/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a6cb512-e0e5-42b2-b4f0-e6103479ad4d/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a6cb512-e0e5-42b2-b4f0-e6103479ad4d/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a6cb512-e0e5-42b2-b4f0-e6103479ad4d/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a6cb512-e0e5-42b2-b4f0-e6103479ad4d/bin/uautomizer-verify-qhAvR1uOyd --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ec50af203cf1d5a7d1afbba8c91c6aba29bcfe50c35892731044038eaad7c7f2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:59:18,110 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:59:18,209 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a6cb512-e0e5-42b2-b4f0-e6103479ad4d/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-13 14:59:18,215 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:59:18,215 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:59:18,262 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:59:18,263 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:59:18,264 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:59:18,265 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:59:18,265 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:59:18,265 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:59:18,265 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:59:18,266 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:59:18,266 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:59:18,268 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:59:18,268 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:59:18,268 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:59:18,268 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:59:18,268 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:59:18,269 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:59:18,269 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:59:18,269 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:59:18,269 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:59:18,269 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:59:18,269 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:59:18,270 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:59:18,270 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:59:18,270 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:59:18,270 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:59:18,270 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:59:18,270 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:59:18,270 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:59:18,270 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:59:18,270 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:59:18,270 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 14:59:18,270 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:59:18,271 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:59:18,271 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:59:18,271 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:59:18,271 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_4a6cb512-e0e5-42b2-b4f0-e6103479ad4d/bin/uautomizer-verify-qhAvR1uOyd 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 -> Automizer 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 -> ec50af203cf1d5a7d1afbba8c91c6aba29bcfe50c35892731044038eaad7c7f2 [2024-11-13 14:59:18,622 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:59:18,638 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:59:18,643 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:59:18,645 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:59:18,645 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:59:18,648 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a6cb512-e0e5-42b2-b4f0-e6103479ad4d/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness_negated.i Unable to find full path for "g++" [2024-11-13 14:59:20,893 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:59:21,659 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:59:21,660 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a6cb512-e0e5-42b2-b4f0-e6103479ad4d/sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness_negated.i [2024-11-13 14:59:21,703 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a6cb512-e0e5-42b2-b4f0-e6103479ad4d/bin/uautomizer-verify-qhAvR1uOyd/data/2ed274f80/bcfb6fbfc7ba4820b18c2c3102bed016/FLAG7d6e6c6d0 [2024-11-13 14:59:21,723 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a6cb512-e0e5-42b2-b4f0-e6103479ad4d/bin/uautomizer-verify-qhAvR1uOyd/data/2ed274f80/bcfb6fbfc7ba4820b18c2c3102bed016 [2024-11-13 14:59:21,726 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:59:21,728 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:59:21,730 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:59:21,731 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:59:21,736 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:59:21,737 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:59:21" (1/1) ... [2024-11-13 14:59:21,739 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76ef7901 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:59:21, skipping insertion in model container [2024-11-13 14:59:21,739 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:59:21" (1/1) ... [2024-11-13 14:59:21,878 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:59:22,257 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_4a6cb512-e0e5-42b2-b4f0-e6103479ad4d/sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness_negated.i[4492,4505] [2024-11-13 14:59:22,266 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_4a6cb512-e0e5-42b2-b4f0-e6103479ad4d/sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness_negated.i[4552,4565] [2024-11-13 14:59:23,631 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:59:23,632 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:59:23,633 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:59:23,634 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:59:23,635 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:59:23,665 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:59:23,666 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:59:23,669 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:59:23,670 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:59:23,673 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:59:23,674 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:59:23,675 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:59:23,676 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:59:25,244 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:59:25,246 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:59:25,292 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:59:25,295 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:59:25,308 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:59:25,309 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:59:25,333 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:59:25,334 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:59:25,336 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:59:25,337 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:59:25,337 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:59:25,337 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:59:25,338 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:59:25,402 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_4a6cb512-e0e5-42b2-b4f0-e6103479ad4d/sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness_negated.i[229379,229392] [2024-11-13 14:59:25,404 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:59:25,454 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:59:25,476 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_4a6cb512-e0e5-42b2-b4f0-e6103479ad4d/sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness_negated.i[4492,4505] [2024-11-13 14:59:25,480 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_4a6cb512-e0e5-42b2-b4f0-e6103479ad4d/sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness_negated.i[4552,4565] [2024-11-13 14:59:25,606 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:59:25,607 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:59:25,607 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:59:25,608 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:59:25,609 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:59:25,620 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:59:25,623 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:59:25,624 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:59:25,625 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:59:25,626 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:59:25,626 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:59:25,627 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:59:25,627 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:59:25,751 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7544-7555] [2024-11-13 14:59:25,865 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:59:25,866 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:59:25,878 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:59:25,879 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:59:25,883 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:59:25,883 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:59:25,900 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:59:25,901 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:59:25,901 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:59:25,901 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:59:25,902 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:59:25,904 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:59:25,905 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:59:25,989 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_4a6cb512-e0e5-42b2-b4f0-e6103479ad4d/sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness_negated.i[229379,229392] [2024-11-13 14:59:25,990 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:59:26,264 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:59:26,265 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:59:26 WrapperNode [2024-11-13 14:59:26,265 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:59:26,266 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:59:26,267 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:59:26,267 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:59:26,275 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:59:26" (1/1) ... [2024-11-13 14:59:26,438 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:59:26" (1/1) ... [2024-11-13 14:59:26,592 INFO L138 Inliner]: procedures = 764, calls = 2484, calls flagged for inlining = 71, calls inlined = 25, statements flattened = 1465 [2024-11-13 14:59:26,594 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:59:26,594 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:59:26,595 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:59:26,595 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:59:26,606 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:59:26" (1/1) ... [2024-11-13 14:59:26,607 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:59:26" (1/1) ... [2024-11-13 14:59:26,636 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:59:26" (1/1) ... [2024-11-13 14:59:26,649 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-13 14:59:26,650 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:59:26" (1/1) ... [2024-11-13 14:59:26,650 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:59:26" (1/1) ... [2024-11-13 14:59:26,719 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:59:26" (1/1) ... [2024-11-13 14:59:26,729 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:59:26" (1/1) ... [2024-11-13 14:59:26,745 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:59:26" (1/1) ... [2024-11-13 14:59:26,786 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:59:26" (1/1) ... [2024-11-13 14:59:26,826 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:59:26,832 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:59:26,832 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:59:26,833 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:59:26,834 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:59:26" (1/1) ... [2024-11-13 14:59:26,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:59:26,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a6cb512-e0e5-42b2-b4f0-e6103479ad4d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:59:26,885 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a6cb512-e0e5-42b2-b4f0-e6103479ad4d/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:59:26,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a6cb512-e0e5-42b2-b4f0-e6103479ad4d/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:59:26,925 INFO L130 BoogieDeclarations]: Found specification of procedure s_update_template_size [2024-11-13 14:59:26,926 INFO L138 BoogieDeclarations]: Found implementation of procedure s_update_template_size [2024-11-13 14:59:26,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-13 14:59:26,926 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_keys_eq [2024-11-13 14:59:26,926 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_keys_eq [2024-11-13 14:59:26,927 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_equals [2024-11-13 14:59:26,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_equals [2024-11-13 14:59:26,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 14:59:26,928 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-13 14:59:26,929 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-13 14:59:26,929 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-13 14:59:26,929 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-13 14:59:26,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-13 14:59:26,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-13 14:59:26,929 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_calloc [2024-11-13 14:59:26,929 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_calloc [2024-11-13 14:59:26,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 14:59:26,930 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-13 14:59:26,930 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-13 14:59:26,930 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 14:59:26,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 14:59:26,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-13 14:59:26,930 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2024-11-13 14:59:26,930 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2024-11-13 14:59:26,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 14:59:26,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:59:26,931 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2024-11-13 14:59:26,931 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2024-11-13 14:59:26,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 14:59:26,931 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-13 14:59:26,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-13 14:59:26,931 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_hasher [2024-11-13 14:59:26,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_hasher [2024-11-13 14:59:26,933 INFO L130 BoogieDeclarations]: Found specification of procedure s_safe_eq_check [2024-11-13 14:59:26,933 INFO L138 BoogieDeclarations]: Found implementation of procedure s_safe_eq_check [2024-11-13 14:59:26,933 INFO L130 BoogieDeclarations]: Found specification of procedure s_emplace_item [2024-11-13 14:59:26,933 INFO L138 BoogieDeclarations]: Found implementation of procedure s_emplace_item [2024-11-13 14:59:26,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:59:26,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:59:26,933 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-13 14:59:26,933 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-13 14:59:26,933 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-13 14:59:26,933 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-13 14:59:26,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-13 14:59:26,934 INFO L130 BoogieDeclarations]: Found specification of procedure s_find_entry [2024-11-13 14:59:26,934 INFO L138 BoogieDeclarations]: Found implementation of procedure s_find_entry [2024-11-13 14:59:26,934 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-13 14:59:26,934 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-13 14:59:26,934 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 14:59:26,934 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 14:59:26,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 14:59:26,934 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-13 14:59:26,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-13 14:59:26,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 14:59:26,934 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2024-11-13 14:59:26,934 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2024-11-13 14:59:26,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 14:59:26,934 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-13 14:59:26,934 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-13 14:59:26,934 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-13 14:59:26,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-13 14:59:26,934 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-13 14:59:26,935 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-13 14:59:26,935 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-13 14:59:26,935 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-13 14:59:26,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 14:59:26,935 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_for [2024-11-13 14:59:26,935 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_for [2024-11-13 14:59:26,935 INFO L130 BoogieDeclarations]: Found specification of procedure s_alloc_state [2024-11-13 14:59:26,935 INFO L138 BoogieDeclarations]: Found implementation of procedure s_alloc_state [2024-11-13 14:59:26,935 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-13 14:59:26,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-13 14:59:26,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 14:59:26,935 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2024-11-13 14:59:26,938 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2024-11-13 14:59:27,624 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:59:27,627 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:59:28,122 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume !true; [2024-11-13 14:59:28,192 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !true; [2024-11-13 14:59:28,853 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7: assume !true; [2024-11-13 14:59:28,854 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41: assume !true; [2024-11-13 14:59:36,093 INFO L? ?]: Removed 447 outVars from TransFormulas that were not future-live. [2024-11-13 14:59:36,094 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:59:36,119 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:59:36,120 INFO L316 CfgBuilder]: Removed 11 assume(true) statements. [2024-11-13 14:59:36,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:59:36 BoogieIcfgContainer [2024-11-13 14:59:36,121 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:59:36,124 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:59:36,124 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:59:36,131 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:59:36,131 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:59:21" (1/3) ... [2024-11-13 14:59:36,132 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c5f3966 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:59:36, skipping insertion in model container [2024-11-13 14:59:36,132 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:59:26" (2/3) ... [2024-11-13 14:59:36,132 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c5f3966 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:59:36, skipping insertion in model container [2024-11-13 14:59:36,133 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:59:36" (3/3) ... [2024-11-13 14:59:36,134 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_table_put_harness_negated.i [2024-11-13 14:59:36,154 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:59:36,156 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_table_put_harness_negated.i that has 30 procedures, 408 locations, 1 initial locations, 7 loop locations, and 1 error locations. [2024-11-13 14:59:36,269 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:59:36,288 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=PETRI_NET, 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;@52d66ea0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:59:36,289 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 14:59:36,295 INFO L276 IsEmpty]: Start isEmpty. Operand has 408 states, 295 states have (on average 1.311864406779661) internal successors, (387), 292 states have internal predecessors, (387), 86 states have call successors, (86), 29 states have call predecessors, (86), 29 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2024-11-13 14:59:36,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-13 14:59:36,318 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:59:36,319 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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] [2024-11-13 14:59:36,321 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:59:36,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:59:36,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1890004514, now seen corresponding path program 1 times [2024-11-13 14:59:36,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:59:36,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211679420] [2024-11-13 14:59:36,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:59:36,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:59:45,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:59:46,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 14:59:46,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:59:46,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 14:59:46,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:59:46,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:59:46,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:59:46,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 14:59:46,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:59:46,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 14:59:46,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:59:46,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:59:46,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:59:46,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:59:46,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:59:46,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 14:59:46,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:59:46,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 14:59:46,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:59:46,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:59:46,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:59:46,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:59:46,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:59:46,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-13 14:59:46,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:59:46,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-13 14:59:46,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:59:46,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-13 14:59:46,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:59:46,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 14:59:46,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:59:46,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-13 14:59:46,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:59:46,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-13 14:59:46,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:59:46,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-13 14:59:46,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:59:46,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:59:46,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:59:46,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 14:59:46,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:59:46,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-13 14:59:46,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:59:47,015 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2024-11-13 14:59:47,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:59:47,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211679420] [2024-11-13 14:59:47,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211679420] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:59:47,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:59:47,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:59:47,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428024313] [2024-11-13 14:59:47,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:59:47,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:59:47,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:59:47,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:59:47,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:59:47,063 INFO L87 Difference]: Start difference. First operand has 408 states, 295 states have (on average 1.311864406779661) internal successors, (387), 292 states have internal predecessors, (387), 86 states have call successors, (86), 29 states have call predecessors, (86), 29 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-13 14:59:51,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:59:55,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:59:59,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:00:07,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:00:07,644 INFO L93 Difference]: Finished difference Result 817 states and 1173 transitions. [2024-11-13 15:00:07,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:00:07,648 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 134 [2024-11-13 15:00:07,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:00:07,668 INFO L225 Difference]: With dead ends: 817 [2024-11-13 15:00:07,668 INFO L226 Difference]: Without dead ends: 409 [2024-11-13 15:00:07,675 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:00:07,679 INFO L432 NwaCegarLoop]: 307 mSDtfsCounter, 535 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 300 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 568 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 300 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.4s IncrementalHoareTripleChecker+Time [2024-11-13 15:00:07,680 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [568 Valid, 561 Invalid, 792 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [300 Valid, 489 Invalid, 3 Unknown, 0 Unchecked, 20.4s Time] [2024-11-13 15:00:07,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2024-11-13 15:00:07,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 402. [2024-11-13 15:00:07,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 286 states have (on average 1.2972027972027973) internal successors, (371), 287 states have internal predecessors, (371), 86 states have call successors, (86), 29 states have call predecessors, (86), 29 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-13 15:00:07,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 542 transitions. [2024-11-13 15:00:07,783 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 542 transitions. Word has length 134 [2024-11-13 15:00:07,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:00:07,788 INFO L471 AbstractCegarLoop]: Abstraction has 402 states and 542 transitions. [2024-11-13 15:00:07,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-13 15:00:07,788 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 542 transitions. [2024-11-13 15:00:07,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-13 15:00:07,793 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:00:07,794 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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] [2024-11-13 15:00:07,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:00:07,795 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:00:07,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:00:07,796 INFO L85 PathProgramCache]: Analyzing trace with hash -1490864280, now seen corresponding path program 1 times [2024-11-13 15:00:07,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:00:07,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923151151] [2024-11-13 15:00:07,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:00:07,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:00:14,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:00:16,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:00:16,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:00:16,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 15:00:16,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:00:16,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 15:00:16,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:00:16,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 15:00:16,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:00:16,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 15:00:16,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:00:16,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:00:16,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:00:17,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:00:17,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:00:17,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 15:00:17,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:00:17,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 15:00:17,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:00:17,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:00:17,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:00:17,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 15:00:17,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:00:17,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-13 15:00:17,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:00:17,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-13 15:00:17,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:00:17,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-13 15:00:17,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:00:17,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 15:00:17,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:00:17,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-13 15:00:17,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:00:17,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-13 15:00:17,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:00:17,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-13 15:00:17,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:00:17,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 15:00:17,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:00:17,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 15:00:17,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:00:17,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-13 15:00:17,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:00:17,848 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2024-11-13 15:00:17,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:00:17,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923151151] [2024-11-13 15:00:17,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923151151] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:00:17,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:00:17,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 15:00:17,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750678739] [2024-11-13 15:00:17,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:00:17,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 15:00:17,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:00:17,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 15:00:17,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:00:17,853 INFO L87 Difference]: Start difference. First operand 402 states and 542 transitions. Second operand has 8 states, 8 states have (on average 7.75) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (23), 5 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-13 15:00:21,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:00:26,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:00:30,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:00:48,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:00:48,819 INFO L93 Difference]: Finished difference Result 807 states and 1089 transitions. [2024-11-13 15:00:48,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 15:00:48,819 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (23), 5 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) Word has length 134 [2024-11-13 15:00:48,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:00:48,826 INFO L225 Difference]: With dead ends: 807 [2024-11-13 15:00:48,826 INFO L226 Difference]: Without dead ends: 414 [2024-11-13 15:00:48,828 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-13 15:00:48,829 INFO L432 NwaCegarLoop]: 300 mSDtfsCounter, 537 mSDsluCounter, 1011 mSDsCounter, 0 mSdLazyCounter, 1361 mSolverCounterSat, 297 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 570 SdHoareTripleChecker+Valid, 1311 SdHoareTripleChecker+Invalid, 1661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 297 IncrementalHoareTripleChecker+Valid, 1361 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.5s IncrementalHoareTripleChecker+Time [2024-11-13 15:00:48,830 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [570 Valid, 1311 Invalid, 1661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [297 Valid, 1361 Invalid, 3 Unknown, 0 Unchecked, 30.5s Time] [2024-11-13 15:00:48,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2024-11-13 15:00:48,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 407. [2024-11-13 15:00:48,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 290 states have (on average 1.293103448275862) internal successors, (375), 291 states have internal predecessors, (375), 86 states have call successors, (86), 29 states have call predecessors, (86), 30 states have return successors, (89), 86 states have call predecessors, (89), 85 states have call successors, (89) [2024-11-13 15:00:48,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 550 transitions. [2024-11-13 15:00:48,876 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 550 transitions. Word has length 134 [2024-11-13 15:00:48,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:00:48,877 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 550 transitions. [2024-11-13 15:00:48,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (23), 5 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-13 15:00:48,877 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 550 transitions. [2024-11-13 15:00:48,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-13 15:00:48,880 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:00:48,880 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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] [2024-11-13 15:00:48,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 15:00:48,881 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:00:48,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:00:48,881 INFO L85 PathProgramCache]: Analyzing trace with hash 3547018, now seen corresponding path program 1 times [2024-11-13 15:00:48,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:00:48,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959209404] [2024-11-13 15:00:48,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:00:48,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:00:55,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:01:00,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:01:00,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:01:00,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 15:01:00,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:01:00,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 15:01:00,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:01:00,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 15:01:00,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:01:00,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 15:01:00,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:01:01,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:01:01,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:01:01,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:01:01,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:01:01,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:01:01,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:01:01,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 15:01:01,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:01:01,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 15:01:01,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:01:01,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:01:01,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:01:01,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 15:01:01,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:01:03,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-13 15:01:03,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:01:03,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-13 15:01:03,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:01:03,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-13 15:01:03,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:01:03,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 15:01:03,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:01:03,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-13 15:01:03,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:01:03,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-13 15:01:03,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:01:03,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 15:01:03,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:01:03,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 15:01:03,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:01:03,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-13 15:01:03,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:01:03,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-13 15:01:03,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:01:03,385 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2024-11-13 15:01:03,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:01:03,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959209404] [2024-11-13 15:01:03,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959209404] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:01:03,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:01:03,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-13 15:01:03,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64410030] [2024-11-13 15:01:03,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:01:03,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-13 15:01:03,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:01:03,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 15:01:03,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-11-13 15:01:03,388 INFO L87 Difference]: Start difference. First operand 407 states and 550 transitions. Second operand has 14 states, 14 states have (on average 4.714285714285714) internal successors, (66), 9 states have internal predecessors, (66), 4 states have call successors, (24), 6 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-13 15:01:07,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:01:11,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:01:16,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.46s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:01:20,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:01:24,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:01:29,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:01:33,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.45s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:01:38,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:02:18,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:02:18,809 INFO L93 Difference]: Finished difference Result 851 states and 1154 transitions. [2024-11-13 15:02:18,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-13 15:02:18,810 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.714285714285714) internal successors, (66), 9 states have internal predecessors, (66), 4 states have call successors, (24), 6 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 140 [2024-11-13 15:02:18,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:02:18,816 INFO L225 Difference]: With dead ends: 851 [2024-11-13 15:02:18,816 INFO L226 Difference]: Without dead ends: 465 [2024-11-13 15:02:18,818 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=84, Invalid=296, Unknown=0, NotChecked=0, Total=380 [2024-11-13 15:02:18,819 INFO L432 NwaCegarLoop]: 273 mSDtfsCounter, 709 mSDsluCounter, 1589 mSDsCounter, 0 mSdLazyCounter, 2758 mSolverCounterSat, 305 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 69.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 757 SdHoareTripleChecker+Valid, 1862 SdHoareTripleChecker+Invalid, 3071 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 305 IncrementalHoareTripleChecker+Valid, 2758 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 73.4s IncrementalHoareTripleChecker+Time [2024-11-13 15:02:18,820 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [757 Valid, 1862 Invalid, 3071 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [305 Valid, 2758 Invalid, 8 Unknown, 0 Unchecked, 73.4s Time] [2024-11-13 15:02:18,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2024-11-13 15:02:18,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 412. [2024-11-13 15:02:18,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 294 states have (on average 1.2925170068027212) internal successors, (380), 296 states have internal predecessors, (380), 86 states have call successors, (86), 29 states have call predecessors, (86), 31 states have return successors, (90), 86 states have call predecessors, (90), 85 states have call successors, (90) [2024-11-13 15:02:18,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 556 transitions. [2024-11-13 15:02:18,886 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 556 transitions. Word has length 140 [2024-11-13 15:02:18,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:02:18,887 INFO L471 AbstractCegarLoop]: Abstraction has 412 states and 556 transitions. [2024-11-13 15:02:18,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.714285714285714) internal successors, (66), 9 states have internal predecessors, (66), 4 states have call successors, (24), 6 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-13 15:02:18,888 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 556 transitions. [2024-11-13 15:02:18,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-13 15:02:18,893 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:02:18,893 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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] [2024-11-13 15:02:18,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 15:02:18,894 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:02:18,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:02:18,894 INFO L85 PathProgramCache]: Analyzing trace with hash -1907495540, now seen corresponding path program 1 times [2024-11-13 15:02:18,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:02:18,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276921356] [2024-11-13 15:02:18,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:02:18,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:02:23,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:02:24,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:02:24,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:02:24,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 15:02:24,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:02:24,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 15:02:24,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:02:24,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 15:02:24,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:02:25,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 15:02:25,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:02:25,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:02:25,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:02:25,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:02:25,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:02:25,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:02:25,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:02:25,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 15:02:25,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:02:25,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 15:02:25,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:02:25,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:02:25,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:02:25,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 15:02:25,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:02:26,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-13 15:02:26,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:02:26,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-13 15:02:26,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:02:26,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-13 15:02:26,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:02:26,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 15:02:26,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:02:26,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-13 15:02:26,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:02:26,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-13 15:02:26,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:02:26,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 15:02:26,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:02:26,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 15:02:26,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:02:26,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-13 15:02:26,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:02:26,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-13 15:02:26,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:02:26,282 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2024-11-13 15:02:26,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:02:26,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276921356] [2024-11-13 15:02:26,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276921356] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:02:26,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:02:26,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 15:02:26,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183904793] [2024-11-13 15:02:26,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:02:26,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 15:02:26,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:02:26,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 15:02:26,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:02:26,285 INFO L87 Difference]: Start difference. First operand 412 states and 556 transitions. Second operand has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (24), 6 states have call predecessors, (24), 2 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-13 15:02:30,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:02:34,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:02:39,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:02:43,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:03:06,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:03:06,036 INFO L93 Difference]: Finished difference Result 858 states and 1162 transitions. [2024-11-13 15:03:06,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 15:03:06,037 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (24), 6 states have call predecessors, (24), 2 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 140 [2024-11-13 15:03:06,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:03:06,042 INFO L225 Difference]: With dead ends: 858 [2024-11-13 15:03:06,042 INFO L226 Difference]: Without dead ends: 460 [2024-11-13 15:03:06,044 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-11-13 15:03:06,045 INFO L432 NwaCegarLoop]: 271 mSDtfsCounter, 412 mSDsluCounter, 848 mSDsCounter, 0 mSdLazyCounter, 1545 mSolverCounterSat, 75 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 483 SdHoareTripleChecker+Valid, 1119 SdHoareTripleChecker+Invalid, 1624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 1545 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:03:06,045 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [483 Valid, 1119 Invalid, 1624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 1545 Invalid, 4 Unknown, 0 Unchecked, 39.0s Time] [2024-11-13 15:03:06,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2024-11-13 15:03:06,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 410. [2024-11-13 15:03:06,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 292 states have (on average 1.2876712328767124) internal successors, (376), 294 states have internal predecessors, (376), 86 states have call successors, (86), 29 states have call predecessors, (86), 31 states have return successors, (90), 86 states have call predecessors, (90), 85 states have call successors, (90) [2024-11-13 15:03:06,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 552 transitions. [2024-11-13 15:03:06,079 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 552 transitions. Word has length 140 [2024-11-13 15:03:06,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:03:06,080 INFO L471 AbstractCegarLoop]: Abstraction has 410 states and 552 transitions. [2024-11-13 15:03:06,080 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 5 states have internal predecessors, (66), 3 states have call successors, (24), 6 states have call predecessors, (24), 2 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-13 15:03:06,080 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 552 transitions. [2024-11-13 15:03:06,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-13 15:03:06,082 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:03:06,083 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 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] [2024-11-13 15:03:06,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 15:03:06,083 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:03:06,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:03:06,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1951061288, now seen corresponding path program 1 times [2024-11-13 15:03:06,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:03:06,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934432420] [2024-11-13 15:03:06,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:03:06,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:03:11,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:03:13,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:03:13,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:03:13,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 15:03:13,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:03:13,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 15:03:13,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:03:13,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 15:03:13,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:03:13,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 15:03:13,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:03:13,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:03:13,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:03:13,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:03:13,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:03:13,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:03:13,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:03:13,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 15:03:13,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:03:13,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 15:03:13,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:03:13,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:03:13,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:03:13,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 15:03:13,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:03:14,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 15:03:14,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:03:15,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-13 15:03:15,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:03:15,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 15:03:15,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:03:15,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-13 15:03:15,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:03:15,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 15:03:15,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:03:15,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-13 15:03:15,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:03:15,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-13 15:03:15,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:03:15,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-13 15:03:15,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:03:15,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 15:03:15,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:03:15,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-13 15:03:15,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:03:15,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-13 15:03:15,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:03:15,497 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2024-11-13 15:03:15,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:03:15,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934432420] [2024-11-13 15:03:15,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934432420] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:03:15,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1633402759] [2024-11-13 15:03:15,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:03:15,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:03:15,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a6cb512-e0e5-42b2-b4f0-e6103479ad4d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:03:15,502 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a6cb512-e0e5-42b2-b4f0-e6103479ad4d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:03:15,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a6cb512-e0e5-42b2-b4f0-e6103479ad4d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 15:03:22,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:03:22,809 INFO L255 TraceCheckSpWp]: Trace formula consists of 4530 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-13 15:03:22,824 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:03:25,290 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-13 15:03:25,291 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:03:25,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1633402759] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:03:25,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:03:25,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [11] total 18 [2024-11-13 15:03:25,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918008322] [2024-11-13 15:03:25,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:03:25,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 15:03:25,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:03:25,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 15:03:25,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2024-11-13 15:03:25,294 INFO L87 Difference]: Start difference. First operand 410 states and 552 transitions. Second operand has 9 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 3 states have call successors, (25), 2 states have call predecessors, (25), 5 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-13 15:03:28,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:03:28,516 INFO L93 Difference]: Finished difference Result 805 states and 1088 transitions. [2024-11-13 15:03:28,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 15:03:28,516 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 3 states have call successors, (25), 2 states have call predecessors, (25), 5 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) Word has length 146 [2024-11-13 15:03:28,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:03:28,521 INFO L225 Difference]: With dead ends: 805 [2024-11-13 15:03:28,521 INFO L226 Difference]: Without dead ends: 416 [2024-11-13 15:03:28,523 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2024-11-13 15:03:28,524 INFO L432 NwaCegarLoop]: 518 mSDtfsCounter, 0 mSDsluCounter, 3576 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4094 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:03:28,525 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4094 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-13 15:03:28,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2024-11-13 15:03:28,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 413. [2024-11-13 15:03:28,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 294 states have (on average 1.2857142857142858) internal successors, (378), 296 states have internal predecessors, (378), 86 states have call successors, (86), 29 states have call predecessors, (86), 32 states have return successors, (97), 87 states have call predecessors, (97), 85 states have call successors, (97) [2024-11-13 15:03:28,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 561 transitions. [2024-11-13 15:03:28,559 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 561 transitions. Word has length 146 [2024-11-13 15:03:28,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:03:28,560 INFO L471 AbstractCegarLoop]: Abstraction has 413 states and 561 transitions. [2024-11-13 15:03:28,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 3 states have call successors, (25), 2 states have call predecessors, (25), 5 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-13 15:03:28,561 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 561 transitions. [2024-11-13 15:03:28,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-13 15:03:28,563 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:03:28,563 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 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] [2024-11-13 15:03:28,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a6cb512-e0e5-42b2-b4f0-e6103479ad4d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 15:03:28,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a6cb512-e0e5-42b2-b4f0-e6103479ad4d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:03:28,764 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:03:28,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:03:28,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1379537030, now seen corresponding path program 1 times [2024-11-13 15:03:28,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:03:28,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277147928] [2024-11-13 15:03:28,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:03:28,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:03:34,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:03:36,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:03:36,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:03:36,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 15:03:36,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:03:36,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 15:03:36,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:03:36,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 15:03:36,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:03:36,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 15:03:36,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:03:37,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:03:37,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:03:37,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:03:37,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:03:37,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:03:37,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:03:37,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 15:03:37,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:03:37,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 15:03:37,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:03:37,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:03:37,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:03:37,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 15:03:37,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:03:37,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 15:03:37,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:03:37,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:03:37,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:03:37,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-13 15:03:37,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:03:37,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-13 15:03:37,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:03:37,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-13 15:03:37,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:03:37,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-13 15:03:37,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:03:37,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 15:03:37,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:03:37,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 15:03:37,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:03:37,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-13 15:03:37,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:03:37,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-13 15:03:37,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:03:37,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-13 15:03:37,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:03:37,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-13 15:03:37,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:03:38,213 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2024-11-13 15:03:38,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:03:38,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277147928] [2024-11-13 15:03:38,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277147928] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:03:38,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:03:38,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-13 15:03:38,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55900803] [2024-11-13 15:03:38,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:03:38,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 15:03:38,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:03:38,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 15:03:38,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-13 15:03:38,215 INFO L87 Difference]: Start difference. First operand 413 states and 561 transitions. Second operand has 10 states, 9 states have (on average 8.11111111111111) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (26), 6 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-13 15:03:42,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:03:46,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:03:50,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:03:55,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:04:24,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:04:24,253 INFO L93 Difference]: Finished difference Result 829 states and 1129 transitions. [2024-11-13 15:04:24,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 15:04:24,254 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.11111111111111) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (26), 6 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) Word has length 153 [2024-11-13 15:04:24,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:04:24,259 INFO L225 Difference]: With dead ends: 829 [2024-11-13 15:04:24,260 INFO L226 Difference]: Without dead ends: 463 [2024-11-13 15:04:24,261 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2024-11-13 15:04:24,263 INFO L432 NwaCegarLoop]: 271 mSDtfsCounter, 529 mSDsluCounter, 1306 mSDsCounter, 0 mSdLazyCounter, 2027 mSolverCounterSat, 191 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 580 SdHoareTripleChecker+Valid, 1577 SdHoareTripleChecker+Invalid, 2222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 191 IncrementalHoareTripleChecker+Valid, 2027 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.6s IncrementalHoareTripleChecker+Time [2024-11-13 15:04:24,265 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [580 Valid, 1577 Invalid, 2222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [191 Valid, 2027 Invalid, 4 Unknown, 0 Unchecked, 44.6s Time] [2024-11-13 15:04:24,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2024-11-13 15:04:24,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 413. [2024-11-13 15:04:24,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 294 states have (on average 1.2857142857142858) internal successors, (378), 296 states have internal predecessors, (378), 86 states have call successors, (86), 29 states have call predecessors, (86), 32 states have return successors, (96), 87 states have call predecessors, (96), 85 states have call successors, (96) [2024-11-13 15:04:24,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 560 transitions. [2024-11-13 15:04:24,311 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 560 transitions. Word has length 153 [2024-11-13 15:04:24,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:04:24,312 INFO L471 AbstractCegarLoop]: Abstraction has 413 states and 560 transitions. [2024-11-13 15:04:24,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.11111111111111) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (26), 6 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-13 15:04:24,313 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 560 transitions. [2024-11-13 15:04:24,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-13 15:04:24,315 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:04:24,315 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 2, 2, 2, 2, 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] [2024-11-13 15:04:24,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 15:04:24,316 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:04:24,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:04:24,316 INFO L85 PathProgramCache]: Analyzing trace with hash 662676432, now seen corresponding path program 1 times [2024-11-13 15:04:24,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:04:24,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998463028] [2024-11-13 15:04:24,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:04:24,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:04:31,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:04:34,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:04:34,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:04:34,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 15:04:34,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:04:34,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 15:04:34,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:04:34,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-13 15:04:34,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:04:35,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-13 15:04:35,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:04:35,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:04:35,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:04:35,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:04:35,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:04:35,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:04:36,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:04:36,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-13 15:04:36,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:04:36,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 15:04:36,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:04:36,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:04:36,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:04:36,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 15:04:36,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:04:36,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 15:04:36,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:04:36,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:04:36,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:04:36,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-13 15:04:36,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:04:36,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-13 15:04:36,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:04:36,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-13 15:04:36,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:04:36,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-13 15:04:36,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:04:36,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 15:04:36,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:04:36,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 15:04:36,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:04:36,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-13 15:04:36,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:04:36,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-13 15:04:36,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:04:36,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-13 15:04:36,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:04:36,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:04:36,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:04:36,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-13 15:04:36,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:04:36,398 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2024-11-13 15:04:36,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:04:36,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998463028] [2024-11-13 15:04:36,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998463028] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:04:36,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1398793223] [2024-11-13 15:04:36,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:04:36,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:04:36,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a6cb512-e0e5-42b2-b4f0-e6103479ad4d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:04:36,401 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a6cb512-e0e5-42b2-b4f0-e6103479ad4d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:04:36,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a6cb512-e0e5-42b2-b4f0-e6103479ad4d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 15:04:43,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:04:43,438 INFO L255 TraceCheckSpWp]: Trace formula consists of 4594 conjuncts, 143 conjuncts are in the unsatisfiable core [2024-11-13 15:04:43,461 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:04:47,777 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 28 [2024-11-13 15:04:47,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 15:04:47,829 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 28 treesize of output 23 [2024-11-13 15:04:47,940 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 [2024-11-13 15:04:48,016 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 [2024-11-13 15:05:00,247 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 116 proven. 4 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-11-13 15:05:00,247 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:05:03,208 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse10 (select |c_#memory_int| |c_ULTIMATE.start_aws_hash_table_put_harness_#t~mem1538#1.base|)) (.cse12 (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_aws_hash_table_put_harness_#t~mem1538#1.base|)) (.cse11 (+ |c_ULTIMATE.start_aws_hash_table_put_harness_#t~mem1538#1.offset| 24))) (and (forall ((v_ArrVal_13705 Int) (v_ArrVal_13703 Int) (v_ArrVal_13701 Int) (v_ArrVal_13713 Int) (v_ArrVal_13714 (Array Int Int)) (v_ArrVal_13704 (Array Int Int)) (v_ArrVal_13706 (Array Int Int))) (not (= v_ArrVal_13706 (let ((.cse5 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_aws_hash_table_put_harness_#t~mem1538#1.base| v_ArrVal_13714)) (.cse3 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_aws_hash_table_put_harness_#t~mem1538#1.base| (store .cse12 .cse11 v_ArrVal_13713))) (.cse8 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_aws_hash_table_put_harness_#t~mem1538#1.base| (store .cse12 .cse11 0)))) (let ((.cse6 (select (select .cse8 |c_ULTIMATE.start_aws_hash_table_put_harness_~#map~0#1.base|) |c_ULTIMATE.start_aws_hash_table_put_harness_~#map~0#1.offset|)) (.cse4 (select (select .cse3 |c_ULTIMATE.start_aws_hash_table_put_harness_~#map~0#1.base|) |c_ULTIMATE.start_aws_hash_table_put_harness_~#map~0#1.offset|)) (.cse7 (+ (select (select .cse5 |c_ULTIMATE.start_aws_hash_table_put_harness_~#map~0#1.base|) |c_ULTIMATE.start_aws_hash_table_put_harness_~#map~0#1.offset|) 8))) (let ((.cse0 (let ((.cse9 (store |c_#memory_int| |c_ULTIMATE.start_aws_hash_table_put_harness_#t~mem1538#1.base| (store .cse10 .cse11 v_ArrVal_13705)))) (store .cse9 .cse4 (store (select .cse9 .cse4) .cse7 v_ArrVal_13703)))) (.cse1 (select (select (store .cse8 .cse6 (store (select .cse8 .cse6) .cse7 v_ArrVal_13701)) |c_ULTIMATE.start_aws_hash_table_put_harness_~#map~0#1.base|) |c_ULTIMATE.start_aws_hash_table_put_harness_~#map~0#1.offset|)) (.cse2 (select (select (store .cse5 .cse6 (store (select .cse5 .cse6) .cse7 |#funAddr~uninterpreted_equals_assert_inputs_nonnull.offset|)) |c_ULTIMATE.start_aws_hash_table_put_harness_~#map~0#1.base|) |c_ULTIMATE.start_aws_hash_table_put_harness_~#map~0#1.offset|))) (store (select .cse0 .cse1) .cse2 (select (select (store .cse0 (select (select (store .cse3 .cse4 v_ArrVal_13704) |c_ULTIMATE.start_aws_hash_table_put_harness_~#map~0#1.base|) |c_ULTIMATE.start_aws_hash_table_put_harness_~#map~0#1.offset|) v_ArrVal_13706) .cse1) .cse2)))))))) (forall ((v_ArrVal_13705 Int) (v_ArrVal_13703 Int) (v_ArrVal_13701 Int) (v_ArrVal_13713 Int) (v_ArrVal_13714 (Array Int Int)) (v_ArrVal_13704 (Array Int Int)) (v_ArrVal_13706 (Array Int Int))) (not (= v_ArrVal_13706 (let ((.cse18 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_aws_hash_table_put_harness_#t~mem1538#1.base| v_ArrVal_13714)) (.cse16 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_aws_hash_table_put_harness_#t~mem1538#1.base| (store .cse12 .cse11 v_ArrVal_13713))) (.cse21 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_aws_hash_table_put_harness_#t~mem1538#1.base| (store .cse12 .cse11 |#funAddr~hash_proof_destroy_noop.base|)))) (let ((.cse19 (select (select .cse21 |c_ULTIMATE.start_aws_hash_table_put_harness_~#map~0#1.base|) |c_ULTIMATE.start_aws_hash_table_put_harness_~#map~0#1.offset|)) (.cse17 (select (select .cse16 |c_ULTIMATE.start_aws_hash_table_put_harness_~#map~0#1.base|) |c_ULTIMATE.start_aws_hash_table_put_harness_~#map~0#1.offset|)) (.cse20 (+ (select (select .cse18 |c_ULTIMATE.start_aws_hash_table_put_harness_~#map~0#1.base|) |c_ULTIMATE.start_aws_hash_table_put_harness_~#map~0#1.offset|) 8))) (let ((.cse13 (let ((.cse22 (store |c_#memory_int| |c_ULTIMATE.start_aws_hash_table_put_harness_#t~mem1538#1.base| (store .cse10 .cse11 v_ArrVal_13705)))) (store .cse22 .cse17 (store (select .cse22 .cse17) .cse20 v_ArrVal_13703)))) (.cse14 (select (select (store .cse21 .cse19 (store (select .cse21 .cse19) .cse20 v_ArrVal_13701)) |c_ULTIMATE.start_aws_hash_table_put_harness_~#map~0#1.base|) |c_ULTIMATE.start_aws_hash_table_put_harness_~#map~0#1.offset|)) (.cse15 (select (select (store .cse18 .cse19 (store (select .cse18 .cse19) .cse20 |#funAddr~uninterpreted_equals_assert_inputs_nonnull.offset|)) |c_ULTIMATE.start_aws_hash_table_put_harness_~#map~0#1.base|) |c_ULTIMATE.start_aws_hash_table_put_harness_~#map~0#1.offset|))) (store (select .cse13 .cse14) .cse15 (select (select (store .cse13 (select (select (store .cse16 .cse17 v_ArrVal_13704) |c_ULTIMATE.start_aws_hash_table_put_harness_~#map~0#1.base|) |c_ULTIMATE.start_aws_hash_table_put_harness_~#map~0#1.offset|) v_ArrVal_13706) .cse14) .cse15)))))))))) is different from false [2024-11-13 15:05:03,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1398793223] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:05:03,753 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 15:05:03,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 20] total 29 [2024-11-13 15:05:03,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238737162] [2024-11-13 15:05:03,754 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 15:05:03,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-13 15:05:03,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:05:03,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-13 15:05:03,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=913, Unknown=1, NotChecked=60, Total=1056 [2024-11-13 15:05:03,756 INFO L87 Difference]: Start difference. First operand 413 states and 560 transitions. Second operand has 29 states, 26 states have (on average 4.846153846153846) internal successors, (126), 21 states have internal predecessors, (126), 9 states have call successors, (49), 7 states have call predecessors, (49), 10 states have return successors, (45), 9 states have call predecessors, (45), 9 states have call successors, (45) [2024-11-13 15:05:07,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:05:12,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:05:16,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.43s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:05:21,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:05:25,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:05:29,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.44s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:05:34,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:05:38,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:05:43,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:05:47,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:05:51,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:05:56,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:06:00,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:06:04,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:06:09,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:06:13,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.50s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:06:18,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:06:22,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:06:26,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:08:19,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:08:19,000 INFO L93 Difference]: Finished difference Result 873 states and 1187 transitions. [2024-11-13 15:08:19,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-13 15:08:19,001 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 26 states have (on average 4.846153846153846) internal successors, (126), 21 states have internal predecessors, (126), 9 states have call successors, (49), 7 states have call predecessors, (49), 10 states have return successors, (45), 9 states have call predecessors, (45), 9 states have call successors, (45) Word has length 160 [2024-11-13 15:08:19,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:08:19,006 INFO L225 Difference]: With dead ends: 873 [2024-11-13 15:08:19,006 INFO L226 Difference]: Without dead ends: 466 [2024-11-13 15:08:19,008 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 244 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 260 ImplicationChecksByTransitivity, 17.6s TimeCoverageRelationStatistics Valid=141, Invalid=1422, Unknown=1, NotChecked=76, Total=1640 [2024-11-13 15:08:19,009 INFO L432 NwaCegarLoop]: 267 mSDtfsCounter, 530 mSDsluCounter, 4298 mSDsCounter, 0 mSdLazyCounter, 7553 mSolverCounterSat, 198 mSolverCounterUnsat, 19 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 183.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 580 SdHoareTripleChecker+Valid, 4565 SdHoareTripleChecker+Invalid, 7770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 198 IncrementalHoareTripleChecker+Valid, 7553 IncrementalHoareTripleChecker+Invalid, 19 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 191.4s IncrementalHoareTripleChecker+Time [2024-11-13 15:08:19,009 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [580 Valid, 4565 Invalid, 7770 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [198 Valid, 7553 Invalid, 19 Unknown, 0 Unchecked, 191.4s Time] [2024-11-13 15:08:19,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2024-11-13 15:08:19,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 416. [2024-11-13 15:08:19,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 296 states have (on average 1.2837837837837838) internal successors, (380), 299 states have internal predecessors, (380), 86 states have call successors, (86), 29 states have call predecessors, (86), 33 states have return successors, (97), 87 states have call predecessors, (97), 85 states have call successors, (97) [2024-11-13 15:08:19,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 563 transitions. [2024-11-13 15:08:19,044 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 563 transitions. Word has length 160 [2024-11-13 15:08:19,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:08:19,045 INFO L471 AbstractCegarLoop]: Abstraction has 416 states and 563 transitions. [2024-11-13 15:08:19,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 26 states have (on average 4.846153846153846) internal successors, (126), 21 states have internal predecessors, (126), 9 states have call successors, (49), 7 states have call predecessors, (49), 10 states have return successors, (45), 9 states have call predecessors, (45), 9 states have call successors, (45) [2024-11-13 15:08:19,045 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 563 transitions. [2024-11-13 15:08:19,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-13 15:08:19,047 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:08:19,048 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 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] [2024-11-13 15:08:19,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a6cb512-e0e5-42b2-b4f0-e6103479ad4d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 15:08:19,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a6cb512-e0e5-42b2-b4f0-e6103479ad4d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-13 15:08:19,248 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:08:19,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:08:19,249 INFO L85 PathProgramCache]: Analyzing trace with hash -639409227, now seen corresponding path program 1 times [2024-11-13 15:08:19,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:08:19,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558181143] [2024-11-13 15:08:19,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:08:19,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:08:25,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:27,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:08:27,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:27,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 15:08:27,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:27,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 15:08:27,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:27,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-13 15:08:27,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:27,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 15:08:27,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:27,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:08:27,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:27,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:08:27,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:28,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:08:28,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:28,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 15:08:28,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:28,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-13 15:08:28,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:28,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:08:28,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:28,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-13 15:08:28,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:28,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-13 15:08:28,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:28,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:08:28,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:28,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-13 15:08:28,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:28,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-13 15:08:28,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:28,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-13 15:08:28,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:28,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 15:08:28,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:28,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 15:08:28,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:28,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-13 15:08:28,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:28,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-13 15:08:28,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:28,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-13 15:08:28,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:28,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-13 15:08:28,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:28,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:08:28,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:28,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-13 15:08:28,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:28,947 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-11-13 15:08:28,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:08:28,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558181143] [2024-11-13 15:08:28,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558181143] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:08:28,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1768664433] [2024-11-13 15:08:28,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:08:28,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:08:28,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a6cb512-e0e5-42b2-b4f0-e6103479ad4d/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:08:28,950 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a6cb512-e0e5-42b2-b4f0-e6103479ad4d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:08:28,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a6cb512-e0e5-42b2-b4f0-e6103479ad4d/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 15:08:36,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:08:36,155 INFO L255 TraceCheckSpWp]: Trace formula consists of 4598 conjuncts, 62 conjuncts are in the unsatisfiable core [2024-11-13 15:08:36,164 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:08:40,553 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 [2024-11-13 15:08:40,632 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 [2024-11-13 15:08:40,666 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 30 [2024-11-13 15:08:40,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 15:08:40,715 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 69 treesize of output 52 [2024-11-13 15:08:49,508 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 101 proven. 3 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-13 15:08:49,508 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:08:57,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1768664433] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:08:57,175 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 15:08:57,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 18] total 26 [2024-11-13 15:08:57,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419633236] [2024-11-13 15:08:57,175 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 15:08:57,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-13 15:08:57,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:08:57,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-13 15:08:57,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=847, Unknown=0, NotChecked=0, Total=930 [2024-11-13 15:08:57,177 INFO L87 Difference]: Start difference. First operand 416 states and 563 transitions. Second operand has 26 states, 24 states have (on average 5.291666666666667) internal successors, (127), 20 states have internal predecessors, (127), 8 states have call successors, (49), 7 states have call predecessors, (49), 9 states have return successors, (45), 8 states have call predecessors, (45), 8 states have call successors, (45) [2024-11-13 15:09:01,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:09:05,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:09:10,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.43s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:09:14,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:09:18,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:09:23,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:09:27,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:09:31,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:09:36,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:09:40,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:09:44,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:09:49,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:09:53,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.44s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:09:58,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:10:02,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:10:07,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:10:11,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:10:24,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:10:28,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:10:32,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:10:37,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-13 15:10:47,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:10:56,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:11:23,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:11:27,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:11:32,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:11:38,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:11:43,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:11:53,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:12:01,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:12:06,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:12:10,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:12:16,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:12:22,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:12:26,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:12:34,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:12:39,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:12:43,943 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:12:48,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:12:53,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:13:02,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:13:12,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:13:17,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:13:21,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:13:34,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:13:39,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:13:43,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:13:47,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:13:51,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0]