./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1 --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 3b33a1dc558667a4fcb18529533ebc713d63e8618dba1b7e6d3f152565826fd1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 12:55:16,695 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 12:55:16,750 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 12:55:16,755 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 12:55:16,755 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 12:55:16,776 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 12:55:16,776 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 12:55:16,777 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 12:55:16,777 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 12:55:16,777 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 12:55:16,777 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 12:55:16,777 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 12:55:16,778 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 12:55:16,778 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 12:55:16,778 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 12:55:16,778 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 12:55:16,778 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 12:55:16,778 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 12:55:16,778 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 12:55:16,778 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 12:55:16,778 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 12:55:16,778 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 12:55:16,779 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 12:55:16,779 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 12:55:16,779 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 12:55:16,779 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 12:55:16,779 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:55:16,779 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:55:16,779 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:55:16,779 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:55:16,779 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 12:55:16,779 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:55:16,779 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:55:16,779 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:55:16,780 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:55:16,780 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 12:55:16,780 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 12:55:16,780 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 12:55:16,780 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 12:55:16,780 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 12:55:16,780 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 12:55:16,780 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 12:55:16,780 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 12:55:16,780 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 12:55:16,780 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 12:55:16,780 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_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1 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 -> 3b33a1dc558667a4fcb18529533ebc713d63e8618dba1b7e6d3f152565826fd1 [2024-12-02 12:55:17,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 12:55:17,009 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 12:55:17,011 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 12:55:17,012 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 12:55:17,012 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 12:55:17,013 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i [2024-12-02 12:55:19,627 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/data/766a34beb/1b9e12bac8c24d4d80227e7482dc0afd/FLAG23dcfa100 [2024-12-02 12:55:20,040 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 12:55:20,040 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i [2024-12-02 12:55:20,076 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/data/766a34beb/1b9e12bac8c24d4d80227e7482dc0afd/FLAG23dcfa100 [2024-12-02 12:55:20,216 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/data/766a34beb/1b9e12bac8c24d4d80227e7482dc0afd [2024-12-02 12:55:20,218 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 12:55:20,220 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 12:55:20,221 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 12:55:20,221 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 12:55:20,225 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 12:55:20,226 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:55:20" (1/1) ... [2024-12-02 12:55:20,226 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b2818e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:55:20, skipping insertion in model container [2024-12-02 12:55:20,227 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:55:20" (1/1) ... [2024-12-02 12:55:20,298 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 12:55:20,505 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_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i[4506,4519] [2024-12-02 12:55:20,511 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_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i[4566,4579] [2024-12-02 12:55:21,312 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:21,312 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:21,313 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:21,314 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:21,315 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:21,329 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:21,330 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:21,332 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:21,333 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:21,335 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:21,336 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:21,336 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:21,337 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:21,936 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:21,937 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:21,943 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:21,949 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:22,020 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:22,021 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:22,021 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:22,021 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:22,021 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:22,022 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:22,022 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:22,023 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:22,023 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:22,023 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:22,023 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:22,023 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:22,024 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:22,026 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:22,027 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:22,027 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:22,027 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:22,030 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:22,031 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:22,037 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:22,038 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:22,038 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:22,051 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:55:22,078 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 12:55:22,091 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_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i[4506,4519] [2024-12-02 12:55:22,093 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_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i[4566,4579] [2024-12-02 12:55:22,139 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:22,140 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:22,140 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:22,140 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:22,141 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:22,146 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:22,146 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:22,147 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:22,147 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:22,148 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:22,148 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:22,149 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:22,149 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:22,215 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:22,215 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:22,216 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:22,221 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:22,227 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7776-7787] [2024-12-02 12:55:22,243 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:22,244 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:22,244 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:22,244 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:22,244 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:22,244 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:22,245 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:22,245 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:22,245 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:22,245 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:22,246 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:22,246 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:22,246 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:22,247 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:22,247 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:22,247 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:22,247 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:22,249 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:22,250 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:22,255 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:22,256 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:22,256 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 12:55:22,265 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:55:22,447 INFO L204 MainTranslator]: Completed translation [2024-12-02 12:55:22,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:55:22 WrapperNode [2024-12-02 12:55:22,448 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 12:55:22,448 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 12:55:22,448 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 12:55:22,448 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 12:55:22,461 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:55:22" (1/1) ... [2024-12-02 12:55:22,511 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:55:22" (1/1) ... [2024-12-02 12:55:22,565 INFO L138 Inliner]: procedures = 686, calls = 1900, calls flagged for inlining = 59, calls inlined = 15, statements flattened = 951 [2024-12-02 12:55:22,565 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 12:55:22,566 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 12:55:22,566 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 12:55:22,566 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 12:55:22,577 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:55:22" (1/1) ... [2024-12-02 12:55:22,577 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:55:22" (1/1) ... [2024-12-02 12:55:22,584 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:55:22" (1/1) ... [2024-12-02 12:55:22,655 INFO L175 MemorySlicer]: Split 347 memory accesses to 6 slices as follows [238, 2, 3, 17, 18, 69]. 69 percent of accesses are in the largest equivalence class. The 18 initializations are split as follows [6, 2, 1, 4, 5, 0]. The 259 writes are split as follows [232, 0, 1, 3, 6, 17]. [2024-12-02 12:55:22,655 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:55:22" (1/1) ... [2024-12-02 12:55:22,655 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:55:22" (1/1) ... [2024-12-02 12:55:22,685 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:55:22" (1/1) ... [2024-12-02 12:55:22,687 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:55:22" (1/1) ... [2024-12-02 12:55:22,691 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:55:22" (1/1) ... [2024-12-02 12:55:22,701 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:55:22" (1/1) ... [2024-12-02 12:55:22,705 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:55:22" (1/1) ... [2024-12-02 12:55:22,718 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 12:55:22,719 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 12:55:22,719 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 12:55:22,719 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 12:55:22,720 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:55:22" (1/1) ... [2024-12-02 12:55:22,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:55:22,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:55:22,749 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 12:55:22,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 12:55:22,779 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_either [2024-12-02 12:55:22,779 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_either [2024-12-02 12:55:22,779 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2024-12-02 12:55:22,779 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2024-12-02 12:55:22,779 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-12-02 12:55:22,780 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-12-02 12:55:22,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 12:55:22,780 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-12-02 12:55:22,780 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-12-02 12:55:22,780 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-12-02 12:55:22,780 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-12-02 12:55:22,780 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-12-02 12:55:22,780 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-12-02 12:55:22,780 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2024-12-02 12:55:22,780 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2024-12-02 12:55:22,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 12:55:22,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 12:55:22,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 12:55:22,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 12:55:22,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 12:55:22,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 12:55:22,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 12:55:22,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 12:55:22,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 12:55:22,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 12:55:22,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 12:55:22,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 12:55:22,781 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-12-02 12:55:22,781 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-12-02 12:55:22,781 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-02 12:55:22,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-02 12:55:22,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 12:55:22,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 12:55:22,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 12:55:22,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 12:55:22,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 12:55:22,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 12:55:22,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 12:55:22,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 12:55:22,782 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2024-12-02 12:55:22,782 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2024-12-02 12:55:22,782 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-12-02 12:55:22,782 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-12-02 12:55:22,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 12:55:22,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 12:55:22,782 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-12-02 12:55:22,782 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-12-02 12:55:22,782 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-12-02 12:55:22,782 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-12-02 12:55:22,782 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-12-02 12:55:22,782 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-12-02 12:55:22,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 12:55:22,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 12:55:22,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 12:55:22,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 12:55:22,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 12:55:22,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 12:55:22,783 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-12-02 12:55:22,783 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-12-02 12:55:22,783 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-12-02 12:55:22,783 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-12-02 12:55:22,783 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-12-02 12:55:22,783 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-12-02 12:55:22,783 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 12:55:22,783 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 12:55:22,783 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-12-02 12:55:22,783 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-12-02 12:55:22,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 12:55:22,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 12:55:22,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 12:55:22,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 12:55:22,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 12:55:22,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 12:55:22,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 12:55:22,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 12:55:22,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 12:55:22,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 12:55:22,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 12:55:22,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 12:55:22,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-02 12:55:22,784 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2024-12-02 12:55:22,784 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2024-12-02 12:55:22,784 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-12-02 12:55:22,784 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-12-02 12:55:22,784 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-12-02 12:55:22,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-12-02 12:55:22,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 12:55:22,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 12:55:22,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 12:55:22,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 12:55:22,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 12:55:22,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 12:55:22,784 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-12-02 12:55:22,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-12-02 12:55:22,784 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2024-12-02 12:55:22,784 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2024-12-02 12:55:22,785 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-12-02 12:55:22,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-12-02 12:55:22,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 12:55:22,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 12:55:22,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 12:55:22,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 12:55:22,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 12:55:22,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 12:55:23,052 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 12:55:23,054 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 12:55:28,712 INFO L? ?]: Removed 218 outVars from TransFormulas that were not future-live. [2024-12-02 12:55:28,712 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 12:55:28,727 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 12:55:28,728 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2024-12-02 12:55:28,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:55:28 BoogieIcfgContainer [2024-12-02 12:55:28,728 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 12:55:28,731 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 12:55:28,731 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 12:55:28,735 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 12:55:28,735 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:55:20" (1/3) ... [2024-12-02 12:55:28,736 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bb9fa5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:55:28, skipping insertion in model container [2024-12-02 12:55:28,736 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:55:22" (2/3) ... [2024-12-02 12:55:28,736 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bb9fa5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:55:28, skipping insertion in model container [2024-12-02 12:55:28,736 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:55:28" (3/3) ... [2024-12-02 12:55:28,737 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_sift_either_harness.i [2024-12-02 12:55:28,751 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 12:55:28,752 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_priority_queue_s_sift_either_harness.i that has 26 procedures, 368 locations, 1 initial locations, 6 loop locations, and 2 error locations. [2024-12-02 12:55:28,810 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 12:55:28,821 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;@47e83ecd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 12:55:28,821 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-12-02 12:55:28,826 INFO L276 IsEmpty]: Start isEmpty. Operand has 368 states, 220 states have (on average 1.2454545454545454) internal successors, (274), 223 states have internal predecessors, (274), 120 states have call successors, (120), 25 states have call predecessors, (120), 25 states have return successors, (120), 120 states have call predecessors, (120), 120 states have call successors, (120) [2024-12-02 12:55:28,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-12-02 12:55:28,838 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:55:28,839 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:55:28,839 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:55:28,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:55:28,844 INFO L85 PathProgramCache]: Analyzing trace with hash -151478332, now seen corresponding path program 1 times [2024-12-02 12:55:28,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:55:28,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387962536] [2024-12-02 12:55:28,852 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:55:28,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:55:34,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:55:34,548 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-12-02 12:55:34,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:55:34,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387962536] [2024-12-02 12:55:34,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387962536] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:55:34,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1964434246] [2024-12-02 12:55:34,550 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:55:34,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:55:34,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:55:34,552 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:55:34,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 12:55:39,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:55:40,004 INFO L256 TraceCheckSpWp]: Trace formula consists of 4408 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 12:55:40,014 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:55:40,032 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 12:55:40,032 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:55:40,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1964434246] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:55:40,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:55:40,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 12:55:40,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693148942] [2024-12-02 12:55:40,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:55:40,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 12:55:40,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:55:40,055 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 12:55:40,055 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 12:55:40,057 INFO L87 Difference]: Start difference. First operand has 368 states, 220 states have (on average 1.2454545454545454) internal successors, (274), 223 states have internal predecessors, (274), 120 states have call successors, (120), 25 states have call predecessors, (120), 25 states have return successors, (120), 120 states have call predecessors, (120), 120 states have call successors, (120) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 12:55:40,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:55:40,111 INFO L93 Difference]: Finished difference Result 711 states and 1088 transitions. [2024-12-02 12:55:40,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 12:55:40,112 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (23), 2 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 138 [2024-12-02 12:55:40,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:55:40,120 INFO L225 Difference]: With dead ends: 711 [2024-12-02 12:55:40,120 INFO L226 Difference]: Without dead ends: 361 [2024-12-02 12:55:40,125 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 12:55:40,127 INFO L435 NwaCegarLoop]: 503 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:55:40,128 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 503 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:55:40,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2024-12-02 12:55:40,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 361. [2024-12-02 12:55:40,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 215 states have (on average 1.2093023255813953) internal successors, (260), 217 states have internal predecessors, (260), 120 states have call successors, (120), 25 states have call predecessors, (120), 24 states have return successors, (118), 118 states have call predecessors, (118), 118 states have call successors, (118) [2024-12-02 12:55:40,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 498 transitions. [2024-12-02 12:55:40,186 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 498 transitions. Word has length 138 [2024-12-02 12:55:40,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:55:40,187 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 498 transitions. [2024-12-02 12:55:40,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 12:55:40,188 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 498 transitions. [2024-12-02 12:55:40,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-12-02 12:55:40,191 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:55:40,191 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:55:40,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 12:55:40,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 12:55:40,392 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:55:40,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:55:40,393 INFO L85 PathProgramCache]: Analyzing trace with hash -214993206, now seen corresponding path program 1 times [2024-12-02 12:55:40,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:55:40,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71103446] [2024-12-02 12:55:40,393 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:55:40,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:55:44,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:55:45,685 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-12-02 12:55:45,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:55:45,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71103446] [2024-12-02 12:55:45,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71103446] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:55:45,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [445048467] [2024-12-02 12:55:45,686 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:55:45,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:55:45,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:55:45,688 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:55:45,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 12:55:50,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:55:50,781 INFO L256 TraceCheckSpWp]: Trace formula consists of 4408 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 12:55:50,785 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:55:50,866 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-12-02 12:55:50,866 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:55:50,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [445048467] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:55:50,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:55:50,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-12-02 12:55:50,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736547336] [2024-12-02 12:55:50,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:55:50,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:55:50,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:55:50,868 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:55:50,868 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:55:50,869 INFO L87 Difference]: Start difference. First operand 361 states and 498 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 12:55:50,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:55:50,941 INFO L93 Difference]: Finished difference Result 446 states and 607 transitions. [2024-12-02 12:55:50,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:55:50,941 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (23), 2 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 138 [2024-12-02 12:55:50,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:55:50,946 INFO L225 Difference]: With dead ends: 446 [2024-12-02 12:55:50,946 INFO L226 Difference]: Without dead ends: 362 [2024-12-02 12:55:50,947 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:55:50,948 INFO L435 NwaCegarLoop]: 497 mSDtfsCounter, 0 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 989 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:55:50,948 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 989 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:55:50,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-12-02 12:55:50,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2024-12-02 12:55:50,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 216 states have (on average 1.2083333333333333) internal successors, (261), 218 states have internal predecessors, (261), 120 states have call successors, (120), 25 states have call predecessors, (120), 24 states have return successors, (118), 118 states have call predecessors, (118), 118 states have call successors, (118) [2024-12-02 12:55:50,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 499 transitions. [2024-12-02 12:55:50,976 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 499 transitions. Word has length 138 [2024-12-02 12:55:50,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:55:50,977 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 499 transitions. [2024-12-02 12:55:50,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 12:55:50,977 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 499 transitions. [2024-12-02 12:55:50,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-12-02 12:55:50,980 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:55:50,980 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:55:50,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 12:55:51,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-12-02 12:55:51,181 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:55:51,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:55:51,181 INFO L85 PathProgramCache]: Analyzing trace with hash -279843000, now seen corresponding path program 1 times [2024-12-02 12:55:51,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:55:51,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568808102] [2024-12-02 12:55:51,182 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:55:51,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:55:55,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:55:55,809 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2024-12-02 12:55:55,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:55:55,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568808102] [2024-12-02 12:55:55,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568808102] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:55:55,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2054672773] [2024-12-02 12:55:55,810 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:55:55,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:55:55,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:55:55,813 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:55:55,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 12:56:00,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:56:00,950 INFO L256 TraceCheckSpWp]: Trace formula consists of 4532 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 12:56:00,954 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:56:01,612 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 12:56:01,612 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:56:01,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2054672773] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:56:01,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:56:01,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2024-12-02 12:56:01,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252400264] [2024-12-02 12:56:01,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:56:01,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 12:56:01,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:56:01,614 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 12:56:01,614 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-12-02 12:56:01,615 INFO L87 Difference]: Start difference. First operand 362 states and 499 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-12-02 12:56:03,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:56:03,223 INFO L93 Difference]: Finished difference Result 678 states and 944 transitions. [2024-12-02 12:56:03,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 12:56:03,224 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 157 [2024-12-02 12:56:03,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:56:03,228 INFO L225 Difference]: With dead ends: 678 [2024-12-02 12:56:03,228 INFO L226 Difference]: Without dead ends: 364 [2024-12-02 12:56:03,230 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-12-02 12:56:03,231 INFO L435 NwaCegarLoop]: 447 mSDtfsCounter, 498 mSDsluCounter, 1298 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 506 SdHoareTripleChecker+Valid, 1745 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-12-02 12:56:03,231 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [506 Valid, 1745 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-12-02 12:56:03,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2024-12-02 12:56:03,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 364. [2024-12-02 12:56:03,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 217 states have (on average 1.207373271889401) internal successors, (262), 220 states have internal predecessors, (262), 120 states have call successors, (120), 25 states have call predecessors, (120), 25 states have return successors, (126), 118 states have call predecessors, (126), 118 states have call successors, (126) [2024-12-02 12:56:03,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 508 transitions. [2024-12-02 12:56:03,257 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 508 transitions. Word has length 157 [2024-12-02 12:56:03,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:56:03,258 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 508 transitions. [2024-12-02 12:56:03,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-12-02 12:56:03,258 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 508 transitions. [2024-12-02 12:56:03,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-12-02 12:56:03,261 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:56:03,261 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 7, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:56:03,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 12:56:03,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:56:03,461 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:56:03,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:56:03,462 INFO L85 PathProgramCache]: Analyzing trace with hash -99749652, now seen corresponding path program 1 times [2024-12-02 12:56:03,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:56:03,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425739130] [2024-12-02 12:56:03,462 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:56:03,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:56:07,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:56:08,611 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2024-12-02 12:56:08,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:56:08,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425739130] [2024-12-02 12:56:08,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425739130] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:56:08,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [50787526] [2024-12-02 12:56:08,612 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:56:08,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:56:08,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:56:08,614 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:56:08,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 12:56:13,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:56:13,725 INFO L256 TraceCheckSpWp]: Trace formula consists of 4582 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 12:56:13,729 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:56:14,786 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 12:56:14,786 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:56:14,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [50787526] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:56:14,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:56:14,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2024-12-02 12:56:14,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806006947] [2024-12-02 12:56:14,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:56:14,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 12:56:14,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:56:14,788 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 12:56:14,788 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-12-02 12:56:14,788 INFO L87 Difference]: Start difference. First operand 364 states and 508 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2024-12-02 12:56:18,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:56:18,140 INFO L93 Difference]: Finished difference Result 701 states and 999 transitions. [2024-12-02 12:56:18,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 12:56:18,141 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 165 [2024-12-02 12:56:18,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:56:18,144 INFO L225 Difference]: With dead ends: 701 [2024-12-02 12:56:18,144 INFO L226 Difference]: Without dead ends: 385 [2024-12-02 12:56:18,145 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2024-12-02 12:56:18,146 INFO L435 NwaCegarLoop]: 430 mSDtfsCounter, 548 mSDsluCounter, 2081 mSDsCounter, 0 mSdLazyCounter, 406 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 565 SdHoareTripleChecker+Valid, 2511 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-12-02 12:56:18,146 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [565 Valid, 2511 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 406 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-12-02 12:56:18,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2024-12-02 12:56:18,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 383. [2024-12-02 12:56:18,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 233 states have (on average 1.2188841201716738) internal successors, (284), 236 states have internal predecessors, (284), 122 states have call successors, (122), 25 states have call predecessors, (122), 26 states have return successors, (139), 121 states have call predecessors, (139), 120 states have call successors, (139) [2024-12-02 12:56:18,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 545 transitions. [2024-12-02 12:56:18,168 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 545 transitions. Word has length 165 [2024-12-02 12:56:18,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:56:18,168 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 545 transitions. [2024-12-02 12:56:18,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2024-12-02 12:56:18,168 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 545 transitions. [2024-12-02 12:56:18,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-12-02 12:56:18,171 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:56:18,171 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 7, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:56:18,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 12:56:18,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:56:18,372 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:56:18,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:56:18,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1808050527, now seen corresponding path program 1 times [2024-12-02 12:56:18,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:56:18,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59018089] [2024-12-02 12:56:18,372 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:56:18,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:56:22,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:56:23,680 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2024-12-02 12:56:23,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:56:23,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59018089] [2024-12-02 12:56:23,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59018089] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:56:23,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1396593538] [2024-12-02 12:56:23,680 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:56:23,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:56:23,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:56:23,683 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:56:23,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 12:56:29,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:56:29,075 INFO L256 TraceCheckSpWp]: Trace formula consists of 4709 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 12:56:29,080 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:56:29,960 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 12:56:29,960 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:56:29,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1396593538] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:56:29,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:56:29,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2024-12-02 12:56:29,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552454508] [2024-12-02 12:56:29,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:56:29,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 12:56:29,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:56:29,962 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 12:56:29,962 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-12-02 12:56:29,963 INFO L87 Difference]: Start difference. First operand 383 states and 545 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2024-12-02 12:56:32,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:56:32,366 INFO L93 Difference]: Finished difference Result 724 states and 1047 transitions. [2024-12-02 12:56:32,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 12:56:32,367 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) Word has length 180 [2024-12-02 12:56:32,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:56:32,372 INFO L225 Difference]: With dead ends: 724 [2024-12-02 12:56:32,372 INFO L226 Difference]: Without dead ends: 389 [2024-12-02 12:56:32,375 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2024-12-02 12:56:32,376 INFO L435 NwaCegarLoop]: 439 mSDtfsCounter, 514 mSDsluCounter, 1687 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 522 SdHoareTripleChecker+Valid, 2126 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:56:32,376 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [522 Valid, 2126 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-12-02 12:56:32,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2024-12-02 12:56:32,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 383. [2024-12-02 12:56:32,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 233 states have (on average 1.2188841201716738) internal successors, (284), 236 states have internal predecessors, (284), 122 states have call successors, (122), 25 states have call predecessors, (122), 26 states have return successors, (139), 121 states have call predecessors, (139), 120 states have call successors, (139) [2024-12-02 12:56:32,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 545 transitions. [2024-12-02 12:56:32,400 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 545 transitions. Word has length 180 [2024-12-02 12:56:32,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:56:32,401 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 545 transitions. [2024-12-02 12:56:32,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2024-12-02 12:56:32,401 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 545 transitions. [2024-12-02 12:56:32,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-12-02 12:56:32,404 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:56:32,404 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 7, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:56:32,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-02 12:56:32,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:56:32,605 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:56:32,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:56:32,605 INFO L85 PathProgramCache]: Analyzing trace with hash -1856498998, now seen corresponding path program 1 times [2024-12-02 12:56:32,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:56:32,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221734806] [2024-12-02 12:56:32,605 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:56:32,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:56:36,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:56:37,907 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2024-12-02 12:56:37,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:56:37,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221734806] [2024-12-02 12:56:37,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221734806] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:56:37,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [293683593] [2024-12-02 12:56:37,907 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:56:37,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:56:37,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:56:37,909 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:56:37,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-02 12:56:43,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:56:43,472 INFO L256 TraceCheckSpWp]: Trace formula consists of 4781 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-02 12:56:43,476 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:56:44,911 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-02 12:56:44,911 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:56:44,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [293683593] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:56:44,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:56:44,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 15 [2024-12-02 12:56:44,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172941374] [2024-12-02 12:56:44,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:56:44,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 12:56:44,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:56:44,913 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 12:56:44,913 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-12-02 12:56:44,914 INFO L87 Difference]: Start difference. First operand 383 states and 545 transitions. Second operand has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 9 states have internal predecessors, (86), 5 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (28), 5 states have call predecessors, (28), 5 states have call successors, (28) [2024-12-02 12:56:49,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:56:49,370 INFO L93 Difference]: Finished difference Result 735 states and 1057 transitions. [2024-12-02 12:56:49,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 12:56:49,371 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 9 states have internal predecessors, (86), 5 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (28), 5 states have call predecessors, (28), 5 states have call successors, (28) Word has length 196 [2024-12-02 12:56:49,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:56:49,374 INFO L225 Difference]: With dead ends: 735 [2024-12-02 12:56:49,374 INFO L226 Difference]: Without dead ends: 400 [2024-12-02 12:56:49,375 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2024-12-02 12:56:49,376 INFO L435 NwaCegarLoop]: 424 mSDtfsCounter, 570 mSDsluCounter, 2448 mSDsCounter, 0 mSdLazyCounter, 532 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 586 SdHoareTripleChecker+Valid, 2872 SdHoareTripleChecker+Invalid, 581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-12-02 12:56:49,376 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [586 Valid, 2872 Invalid, 581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 532 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-12-02 12:56:49,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2024-12-02 12:56:49,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 383. [2024-12-02 12:56:49,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 233 states have (on average 1.2188841201716738) internal successors, (284), 236 states have internal predecessors, (284), 122 states have call successors, (122), 25 states have call predecessors, (122), 26 states have return successors, (139), 121 states have call predecessors, (139), 120 states have call successors, (139) [2024-12-02 12:56:49,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 545 transitions. [2024-12-02 12:56:49,402 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 545 transitions. Word has length 196 [2024-12-02 12:56:49,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:56:49,402 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 545 transitions. [2024-12-02 12:56:49,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 9 states have internal predecessors, (86), 5 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (28), 5 states have call predecessors, (28), 5 states have call successors, (28) [2024-12-02 12:56:49,402 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 545 transitions. [2024-12-02 12:56:49,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-12-02 12:56:49,405 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:56:49,405 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 7, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:56:49,428 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-02 12:56:49,606 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:56:49,606 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:56:49,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:56:49,606 INFO L85 PathProgramCache]: Analyzing trace with hash 1566931669, now seen corresponding path program 1 times [2024-12-02 12:56:49,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:56:49,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388338299] [2024-12-02 12:56:49,607 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:56:49,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:56:53,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:56:54,464 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2024-12-02 12:56:54,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:56:54,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388338299] [2024-12-02 12:56:54,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388338299] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:56:54,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1682292952] [2024-12-02 12:56:54,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:56:54,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:56:54,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:56:54,467 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:56:54,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-02 12:57:00,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:57:00,163 INFO L256 TraceCheckSpWp]: Trace formula consists of 4908 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 12:57:00,168 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:57:01,297 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-12-02 12:57:01,297 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:57:01,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1682292952] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:57:01,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:57:01,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2024-12-02 12:57:01,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732475084] [2024-12-02 12:57:01,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:57:01,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 12:57:01,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:57:01,299 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 12:57:01,299 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-12-02 12:57:01,299 INFO L87 Difference]: Start difference. First operand 383 states and 545 transitions. Second operand has 8 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 4 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2024-12-02 12:57:04,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:57:04,468 INFO L93 Difference]: Finished difference Result 685 states and 991 transitions. [2024-12-02 12:57:04,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 12:57:04,469 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 4 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) Word has length 211 [2024-12-02 12:57:04,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:57:04,472 INFO L225 Difference]: With dead ends: 685 [2024-12-02 12:57:04,472 INFO L226 Difference]: Without dead ends: 385 [2024-12-02 12:57:04,473 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=54, Invalid=252, Unknown=0, NotChecked=0, Total=306 [2024-12-02 12:57:04,474 INFO L435 NwaCegarLoop]: 430 mSDtfsCounter, 540 mSDsluCounter, 2048 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 544 SdHoareTripleChecker+Valid, 2478 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-12-02 12:57:04,474 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [544 Valid, 2478 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 349 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-12-02 12:57:04,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2024-12-02 12:57:04,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 385. [2024-12-02 12:57:04,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 234 states have (on average 1.2179487179487178) internal successors, (285), 238 states have internal predecessors, (285), 122 states have call successors, (122), 25 states have call predecessors, (122), 27 states have return successors, (145), 121 states have call predecessors, (145), 120 states have call successors, (145) [2024-12-02 12:57:04,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 552 transitions. [2024-12-02 12:57:04,492 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 552 transitions. Word has length 211 [2024-12-02 12:57:04,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:57:04,493 INFO L471 AbstractCegarLoop]: Abstraction has 385 states and 552 transitions. [2024-12-02 12:57:04,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 4 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2024-12-02 12:57:04,493 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 552 transitions. [2024-12-02 12:57:04,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2024-12-02 12:57:04,495 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:57:04,496 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 7, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:57:04,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-12-02 12:57:04,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:57:04,696 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:57:04,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:57:04,697 INFO L85 PathProgramCache]: Analyzing trace with hash 1754142298, now seen corresponding path program 1 times [2024-12-02 12:57:04,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:57:04,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744129200] [2024-12-02 12:57:04,697 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:57:04,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:57:08,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:57:09,942 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2024-12-02 12:57:09,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:57:09,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744129200] [2024-12-02 12:57:09,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744129200] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:57:09,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1184485340] [2024-12-02 12:57:09,942 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:57:09,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:57:09,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:57:09,944 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:57:09,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-12-02 12:57:15,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:57:15,748 INFO L256 TraceCheckSpWp]: Trace formula consists of 5085 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-02 12:57:15,753 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:57:17,130 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-12-02 12:57:17,130 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:57:17,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1184485340] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:57:17,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:57:17,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 15 [2024-12-02 12:57:17,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201431372] [2024-12-02 12:57:17,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:57:17,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 12:57:17,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:57:17,132 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 12:57:17,132 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-12-02 12:57:17,133 INFO L87 Difference]: Start difference. First operand 385 states and 552 transitions. Second operand has 9 states, 8 states have (on average 10.875) internal successors, (87), 8 states have internal predecessors, (87), 5 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (29), 4 states have call predecessors, (29), 5 states have call successors, (29) [2024-12-02 12:57:21,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:57:21,100 INFO L93 Difference]: Finished difference Result 690 states and 1006 transitions. [2024-12-02 12:57:21,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 12:57:21,100 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.875) internal successors, (87), 8 states have internal predecessors, (87), 5 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (29), 4 states have call predecessors, (29), 5 states have call successors, (29) Word has length 234 [2024-12-02 12:57:21,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:57:21,103 INFO L225 Difference]: With dead ends: 690 [2024-12-02 12:57:21,103 INFO L226 Difference]: Without dead ends: 388 [2024-12-02 12:57:21,105 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=63, Invalid=357, Unknown=0, NotChecked=0, Total=420 [2024-12-02 12:57:21,105 INFO L435 NwaCegarLoop]: 422 mSDtfsCounter, 556 mSDsluCounter, 2404 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 560 SdHoareTripleChecker+Valid, 2826 SdHoareTripleChecker+Invalid, 577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-12-02 12:57:21,106 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [560 Valid, 2826 Invalid, 577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 483 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-12-02 12:57:21,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2024-12-02 12:57:21,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 386. [2024-12-02 12:57:21,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 235 states have (on average 1.2170212765957447) internal successors, (286), 239 states have internal predecessors, (286), 122 states have call successors, (122), 25 states have call predecessors, (122), 27 states have return successors, (145), 121 states have call predecessors, (145), 120 states have call successors, (145) [2024-12-02 12:57:21,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 553 transitions. [2024-12-02 12:57:21,132 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 553 transitions. Word has length 234 [2024-12-02 12:57:21,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:57:21,133 INFO L471 AbstractCegarLoop]: Abstraction has 386 states and 553 transitions. [2024-12-02 12:57:21,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.875) internal successors, (87), 8 states have internal predecessors, (87), 5 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (29), 4 states have call predecessors, (29), 5 states have call successors, (29) [2024-12-02 12:57:21,133 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 553 transitions. [2024-12-02 12:57:21,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2024-12-02 12:57:21,137 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:57:21,137 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:57:21,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-12-02 12:57:21,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:57:21,338 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:57:21,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:57:21,338 INFO L85 PathProgramCache]: Analyzing trace with hash -1242127064, now seen corresponding path program 2 times [2024-12-02 12:57:21,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:57:21,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941197068] [2024-12-02 12:57:21,338 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 12:57:21,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:57:25,735 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 12:57:25,735 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:57:27,052 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 367 trivial. 0 not checked. [2024-12-02 12:57:27,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:57:27,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941197068] [2024-12-02 12:57:27,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941197068] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:57:27,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:57:27,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 12:57:27,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123619610] [2024-12-02 12:57:27,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:57:27,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 12:57:27,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:57:27,054 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 12:57:27,054 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 12:57:27,055 INFO L87 Difference]: Start difference. First operand 386 states and 553 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 7 states have internal predecessors, (79), 5 states have call successors, (31), 4 states have call predecessors, (31), 2 states have return successors, (28), 5 states have call predecessors, (28), 4 states have call successors, (28) [2024-12-02 12:57:28,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:57:28,581 INFO L93 Difference]: Finished difference Result 682 states and 990 transitions. [2024-12-02 12:57:28,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 12:57:28,582 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 7 states have internal predecessors, (79), 5 states have call successors, (31), 4 states have call predecessors, (31), 2 states have return successors, (28), 5 states have call predecessors, (28), 4 states have call successors, (28) Word has length 265 [2024-12-02 12:57:28,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:57:28,585 INFO L225 Difference]: With dead ends: 682 [2024-12-02 12:57:28,585 INFO L226 Difference]: Without dead ends: 388 [2024-12-02 12:57:28,586 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-12-02 12:57:28,587 INFO L435 NwaCegarLoop]: 471 mSDtfsCounter, 112 mSDsluCounter, 3092 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 3563 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-12-02 12:57:28,587 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 3563 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-12-02 12:57:28,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2024-12-02 12:57:28,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 388. [2024-12-02 12:57:28,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 236 states have (on average 1.2161016949152543) internal successors, (287), 241 states have internal predecessors, (287), 122 states have call successors, (122), 25 states have call predecessors, (122), 28 states have return successors, (149), 121 states have call predecessors, (149), 120 states have call successors, (149) [2024-12-02 12:57:28,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 558 transitions. [2024-12-02 12:57:28,603 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 558 transitions. Word has length 265 [2024-12-02 12:57:28,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:57:28,604 INFO L471 AbstractCegarLoop]: Abstraction has 388 states and 558 transitions. [2024-12-02 12:57:28,604 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 7 states have internal predecessors, (79), 5 states have call successors, (31), 4 states have call predecessors, (31), 2 states have return successors, (28), 5 states have call predecessors, (28), 4 states have call successors, (28) [2024-12-02 12:57:28,604 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 558 transitions. [2024-12-02 12:57:28,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2024-12-02 12:57:28,605 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:57:28,605 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:57:28,606 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 12:57:28,606 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:57:28,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:57:28,606 INFO L85 PathProgramCache]: Analyzing trace with hash 1038905855, now seen corresponding path program 1 times [2024-12-02 12:57:28,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:57:28,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798926564] [2024-12-02 12:57:28,606 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:57:28,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:57:32,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:57:34,397 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 28 proven. 20 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2024-12-02 12:57:34,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:57:34,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798926564] [2024-12-02 12:57:34,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798926564] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:57:34,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1348744049] [2024-12-02 12:57:34,397 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:57:34,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:57:34,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:57:34,399 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:57:34,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-12-02 12:57:40,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:57:40,492 INFO L256 TraceCheckSpWp]: Trace formula consists of 5511 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-02 12:57:40,497 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:57:42,525 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-12-02 12:57:42,525 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:57:42,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1348744049] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:57:42,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:57:42,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [10] total 19 [2024-12-02 12:57:42,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064497021] [2024-12-02 12:57:42,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:57:42,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 12:57:42,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:57:42,526 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 12:57:42,527 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=299, Unknown=0, NotChecked=0, Total=342 [2024-12-02 12:57:42,527 INFO L87 Difference]: Start difference. First operand 388 states and 558 transitions. Second operand has 11 states, 10 states have (on average 11.8) internal successors, (118), 10 states have internal predecessors, (118), 6 states have call successors, (36), 3 states have call predecessors, (36), 4 states have return successors, (33), 5 states have call predecessors, (33), 6 states have call successors, (33) [2024-12-02 12:57:49,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:57:49,139 INFO L93 Difference]: Finished difference Result 693 states and 1008 transitions. [2024-12-02 12:57:49,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 12:57:49,140 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 11.8) internal successors, (118), 10 states have internal predecessors, (118), 6 states have call successors, (36), 3 states have call predecessors, (36), 4 states have return successors, (33), 5 states have call predecessors, (33), 6 states have call successors, (33) Word has length 296 [2024-12-02 12:57:49,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:57:49,143 INFO L225 Difference]: With dead ends: 693 [2024-12-02 12:57:49,143 INFO L226 Difference]: Without dead ends: 388 [2024-12-02 12:57:49,144 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 293 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=95, Invalid=717, Unknown=0, NotChecked=0, Total=812 [2024-12-02 12:57:49,145 INFO L435 NwaCegarLoop]: 407 mSDtfsCounter, 613 mSDsluCounter, 3101 mSDsCounter, 0 mSdLazyCounter, 786 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 625 SdHoareTripleChecker+Valid, 3508 SdHoareTripleChecker+Invalid, 895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2024-12-02 12:57:49,145 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [625 Valid, 3508 Invalid, 895 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 786 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2024-12-02 12:57:49,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2024-12-02 12:57:49,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 385. [2024-12-02 12:57:49,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 234 states have (on average 1.2179487179487178) internal successors, (285), 238 states have internal predecessors, (285), 122 states have call successors, (122), 25 states have call predecessors, (122), 27 states have return successors, (141), 121 states have call predecessors, (141), 120 states have call successors, (141) [2024-12-02 12:57:49,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 548 transitions. [2024-12-02 12:57:49,161 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 548 transitions. Word has length 296 [2024-12-02 12:57:49,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:57:49,162 INFO L471 AbstractCegarLoop]: Abstraction has 385 states and 548 transitions. [2024-12-02 12:57:49,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 11.8) internal successors, (118), 10 states have internal predecessors, (118), 6 states have call successors, (36), 3 states have call predecessors, (36), 4 states have return successors, (33), 5 states have call predecessors, (33), 6 states have call successors, (33) [2024-12-02 12:57:49,162 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 548 transitions. [2024-12-02 12:57:49,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2024-12-02 12:57:49,163 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:57:49,163 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:57:49,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-12-02 12:57:49,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-12-02 12:57:49,364 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:57:49,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:57:49,364 INFO L85 PathProgramCache]: Analyzing trace with hash -307491624, now seen corresponding path program 1 times [2024-12-02 12:57:49,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:57:49,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651473660] [2024-12-02 12:57:49,365 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:57:49,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:57:53,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:57:54,947 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 546 trivial. 0 not checked. [2024-12-02 12:57:54,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:57:54,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651473660] [2024-12-02 12:57:54,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651473660] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:57:54,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [18053844] [2024-12-02 12:57:54,948 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:57:54,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:57:54,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:57:54,950 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:57:54,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-12-02 12:58:01,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:58:01,305 INFO L256 TraceCheckSpWp]: Trace formula consists of 5638 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-02 12:58:01,310 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:58:03,218 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-12-02 12:58:03,219 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:58:03,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [18053844] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:58:03,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:58:03,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [10] total 19 [2024-12-02 12:58:03,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054843373] [2024-12-02 12:58:03,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:58:03,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 12:58:03,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:58:03,220 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 12:58:03,220 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=299, Unknown=0, NotChecked=0, Total=342 [2024-12-02 12:58:03,220 INFO L87 Difference]: Start difference. First operand 385 states and 548 transitions. Second operand has 11 states, 10 states have (on average 10.4) internal successors, (104), 9 states have internal predecessors, (104), 6 states have call successors, (35), 4 states have call predecessors, (35), 3 states have return successors, (32), 5 states have call predecessors, (32), 6 states have call successors, (32) [2024-12-02 12:58:08,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:58:08,800 INFO L93 Difference]: Finished difference Result 681 states and 983 transitions. [2024-12-02 12:58:08,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 12:58:08,801 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 10.4) internal successors, (104), 9 states have internal predecessors, (104), 6 states have call successors, (35), 4 states have call predecessors, (35), 3 states have return successors, (32), 5 states have call predecessors, (32), 6 states have call successors, (32) Word has length 311 [2024-12-02 12:58:08,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:58:08,804 INFO L225 Difference]: With dead ends: 681 [2024-12-02 12:58:08,805 INFO L226 Difference]: Without dead ends: 388 [2024-12-02 12:58:08,806 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 330 GetRequests, 305 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=86, Invalid=616, Unknown=0, NotChecked=0, Total=702 [2024-12-02 12:58:08,807 INFO L435 NwaCegarLoop]: 412 mSDtfsCounter, 577 mSDsluCounter, 3139 mSDsCounter, 0 mSdLazyCounter, 701 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 579 SdHoareTripleChecker+Valid, 3551 SdHoareTripleChecker+Invalid, 821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 701 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-12-02 12:58:08,807 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [579 Valid, 3551 Invalid, 821 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 701 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2024-12-02 12:58:08,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2024-12-02 12:58:08,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 386. [2024-12-02 12:58:08,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 235 states have (on average 1.2170212765957447) internal successors, (286), 239 states have internal predecessors, (286), 122 states have call successors, (122), 25 states have call predecessors, (122), 27 states have return successors, (141), 121 states have call predecessors, (141), 120 states have call successors, (141) [2024-12-02 12:58:08,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 549 transitions. [2024-12-02 12:58:08,832 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 549 transitions. Word has length 311 [2024-12-02 12:58:08,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:58:08,832 INFO L471 AbstractCegarLoop]: Abstraction has 386 states and 549 transitions. [2024-12-02 12:58:08,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 10.4) internal successors, (104), 9 states have internal predecessors, (104), 6 states have call successors, (35), 4 states have call predecessors, (35), 3 states have return successors, (32), 5 states have call predecessors, (32), 6 states have call successors, (32) [2024-12-02 12:58:08,832 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 549 transitions. [2024-12-02 12:58:08,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2024-12-02 12:58:08,834 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:58:08,834 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 7, 7, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:58:08,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-12-02 12:58:09,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-12-02 12:58:09,035 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:58:09,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:58:09,035 INFO L85 PathProgramCache]: Analyzing trace with hash -158332176, now seen corresponding path program 1 times [2024-12-02 12:58:09,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:58:09,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865251329] [2024-12-02 12:58:09,035 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:58:09,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:58:13,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:58:14,400 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 470 trivial. 0 not checked. [2024-12-02 12:58:14,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:58:14,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865251329] [2024-12-02 12:58:14,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865251329] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:58:14,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:58:14,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 12:58:14,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429783143] [2024-12-02 12:58:14,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:58:14,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 12:58:14,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:58:14,402 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 12:58:14,402 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 12:58:14,403 INFO L87 Difference]: Start difference. First operand 386 states and 549 transitions. Second operand has 8 states, 7 states have (on average 11.714285714285714) internal successors, (82), 7 states have internal predecessors, (82), 5 states have call successors, (34), 3 states have call predecessors, (34), 2 states have return successors, (31), 4 states have call predecessors, (31), 5 states have call successors, (31) [2024-12-02 12:58:15,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:58:15,649 INFO L93 Difference]: Finished difference Result 654 states and 938 transitions. [2024-12-02 12:58:15,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 12:58:15,650 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.714285714285714) internal successors, (82), 7 states have internal predecessors, (82), 5 states have call successors, (34), 3 states have call predecessors, (34), 2 states have return successors, (31), 4 states have call predecessors, (31), 5 states have call successors, (31) Word has length 283 [2024-12-02 12:58:15,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:58:15,653 INFO L225 Difference]: With dead ends: 654 [2024-12-02 12:58:15,653 INFO L226 Difference]: Without dead ends: 388 [2024-12-02 12:58:15,654 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-12-02 12:58:15,654 INFO L435 NwaCegarLoop]: 474 mSDtfsCounter, 102 mSDsluCounter, 2656 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 3130 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:58:15,654 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 3130 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-12-02 12:58:15,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2024-12-02 12:58:15,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 388. [2024-12-02 12:58:15,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 236 states have (on average 1.2161016949152543) internal successors, (287), 241 states have internal predecessors, (287), 122 states have call successors, (122), 25 states have call predecessors, (122), 28 states have return successors, (143), 121 states have call predecessors, (143), 120 states have call successors, (143) [2024-12-02 12:58:15,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 552 transitions. [2024-12-02 12:58:15,668 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 552 transitions. Word has length 283 [2024-12-02 12:58:15,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:58:15,669 INFO L471 AbstractCegarLoop]: Abstraction has 388 states and 552 transitions. [2024-12-02 12:58:15,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.714285714285714) internal successors, (82), 7 states have internal predecessors, (82), 5 states have call successors, (34), 3 states have call predecessors, (34), 2 states have return successors, (31), 4 states have call predecessors, (31), 5 states have call successors, (31) [2024-12-02 12:58:15,669 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 552 transitions. [2024-12-02 12:58:15,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2024-12-02 12:58:15,670 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:58:15,670 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:58:15,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 12:58:15,670 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:58:15,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:58:15,671 INFO L85 PathProgramCache]: Analyzing trace with hash -1404197740, now seen corresponding path program 1 times [2024-12-02 12:58:15,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:58:15,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519537232] [2024-12-02 12:58:15,671 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:58:15,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:58:19,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:58:21,117 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 26 proven. 6 refuted. 0 times theorem prover too weak. 476 trivial. 0 not checked. [2024-12-02 12:58:21,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:58:21,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519537232] [2024-12-02 12:58:21,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519537232] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:58:21,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1512243615] [2024-12-02 12:58:21,117 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:58:21,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:58:21,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:58:21,119 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:58:21,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-12-02 12:58:27,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:58:27,652 INFO L256 TraceCheckSpWp]: Trace formula consists of 5359 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-02 12:58:27,657 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:58:29,639 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2024-12-02 12:58:29,639 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:58:29,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1512243615] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:58:29,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:58:29,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [10] total 19 [2024-12-02 12:58:29,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768703646] [2024-12-02 12:58:29,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:58:29,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 12:58:29,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:58:29,640 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 12:58:29,640 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=299, Unknown=0, NotChecked=0, Total=342 [2024-12-02 12:58:29,640 INFO L87 Difference]: Start difference. First operand 388 states and 552 transitions. Second operand has 11 states, 10 states have (on average 9.3) internal successors, (93), 10 states have internal predecessors, (93), 6 states have call successors, (35), 3 states have call predecessors, (35), 4 states have return successors, (32), 5 states have call predecessors, (32), 6 states have call successors, (32) [2024-12-02 12:58:35,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:58:35,556 INFO L93 Difference]: Finished difference Result 675 states and 972 transitions. [2024-12-02 12:58:35,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 12:58:35,557 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 9.3) internal successors, (93), 10 states have internal predecessors, (93), 6 states have call successors, (35), 3 states have call predecessors, (35), 4 states have return successors, (32), 5 states have call predecessors, (32), 6 states have call successors, (32) Word has length 291 [2024-12-02 12:58:35,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:58:35,560 INFO L225 Difference]: With dead ends: 675 [2024-12-02 12:58:35,560 INFO L226 Difference]: Without dead ends: 407 [2024-12-02 12:58:35,561 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=95, Invalid=661, Unknown=0, NotChecked=0, Total=756 [2024-12-02 12:58:35,562 INFO L435 NwaCegarLoop]: 412 mSDtfsCounter, 607 mSDsluCounter, 3153 mSDsCounter, 0 mSdLazyCounter, 724 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 620 SdHoareTripleChecker+Valid, 3565 SdHoareTripleChecker+Invalid, 828 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 724 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-12-02 12:58:35,562 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [620 Valid, 3565 Invalid, 828 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 724 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2024-12-02 12:58:35,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2024-12-02 12:58:35,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 405. [2024-12-02 12:58:35,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 251 states have (on average 1.2231075697211156) internal successors, (307), 256 states have internal predecessors, (307), 123 states have call successors, (123), 25 states have call predecessors, (123), 29 states have return successors, (148), 123 states have call predecessors, (148), 121 states have call successors, (148) [2024-12-02 12:58:35,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 578 transitions. [2024-12-02 12:58:35,582 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 578 transitions. Word has length 291 [2024-12-02 12:58:35,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:58:35,582 INFO L471 AbstractCegarLoop]: Abstraction has 405 states and 578 transitions. [2024-12-02 12:58:35,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 9.3) internal successors, (93), 10 states have internal predecessors, (93), 6 states have call successors, (35), 3 states have call predecessors, (35), 4 states have return successors, (32), 5 states have call predecessors, (32), 6 states have call successors, (32) [2024-12-02 12:58:35,582 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 578 transitions. [2024-12-02 12:58:35,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2024-12-02 12:58:35,584 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:58:35,584 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:58:35,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-12-02 12:58:35,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-12-02 12:58:35,785 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:58:35,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:58:35,785 INFO L85 PathProgramCache]: Analyzing trace with hash 812886893, now seen corresponding path program 2 times [2024-12-02 12:58:35,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:58:35,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293809050] [2024-12-02 12:58:35,785 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 12:58:35,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:58:40,042 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 12:58:40,042 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:58:41,452 INFO L134 CoverageAnalysis]: Checked inductivity of 568 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 554 trivial. 0 not checked. [2024-12-02 12:58:41,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:58:41,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293809050] [2024-12-02 12:58:41,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293809050] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:58:41,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:58:41,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 12:58:41,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743407987] [2024-12-02 12:58:41,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:58:41,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 12:58:41,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:58:41,454 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 12:58:41,454 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 12:58:41,454 INFO L87 Difference]: Start difference. First operand 405 states and 578 transitions. Second operand has 9 states, 8 states have (on average 10.625) internal successors, (85), 8 states have internal predecessors, (85), 6 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (32), 5 states have call predecessors, (32), 6 states have call successors, (32) [2024-12-02 12:58:43,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:58:43,322 INFO L93 Difference]: Finished difference Result 690 states and 989 transitions. [2024-12-02 12:58:43,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 12:58:43,323 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.625) internal successors, (85), 8 states have internal predecessors, (85), 6 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (32), 5 states have call predecessors, (32), 6 states have call successors, (32) Word has length 306 [2024-12-02 12:58:43,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:58:43,326 INFO L225 Difference]: With dead ends: 690 [2024-12-02 12:58:43,326 INFO L226 Difference]: Without dead ends: 405 [2024-12-02 12:58:43,328 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-12-02 12:58:43,329 INFO L435 NwaCegarLoop]: 468 mSDtfsCounter, 119 mSDsluCounter, 3055 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 3523 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-12-02 12:58:43,329 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 3523 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-12-02 12:58:43,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2024-12-02 12:58:43,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 402. [2024-12-02 12:58:43,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 249 states have (on average 1.2248995983935742) internal successors, (305), 253 states have internal predecessors, (305), 123 states have call successors, (123), 25 states have call predecessors, (123), 28 states have return successors, (144), 123 states have call predecessors, (144), 121 states have call successors, (144) [2024-12-02 12:58:43,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 572 transitions. [2024-12-02 12:58:43,355 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 572 transitions. Word has length 306 [2024-12-02 12:58:43,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:58:43,355 INFO L471 AbstractCegarLoop]: Abstraction has 402 states and 572 transitions. [2024-12-02 12:58:43,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.625) internal successors, (85), 8 states have internal predecessors, (85), 6 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (32), 5 states have call predecessors, (32), 6 states have call successors, (32) [2024-12-02 12:58:43,355 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 572 transitions. [2024-12-02 12:58:43,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2024-12-02 12:58:43,357 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:58:43,357 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 8, 8, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:58:43,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 12:58:43,357 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:58:43,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:58:43,358 INFO L85 PathProgramCache]: Analyzing trace with hash 760553112, now seen corresponding path program 1 times [2024-12-02 12:58:43,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:58:43,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771660653] [2024-12-02 12:58:43,358 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:58:43,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:58:47,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:58:49,207 INFO L134 CoverageAnalysis]: Checked inductivity of 620 backedges. 53 proven. 6 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-12-02 12:58:49,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:58:49,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771660653] [2024-12-02 12:58:49,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771660653] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:58:49,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1449207149] [2024-12-02 12:58:49,207 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:58:49,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:58:49,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:58:49,209 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:58:49,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-12-02 12:58:55,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:58:55,983 INFO L256 TraceCheckSpWp]: Trace formula consists of 5558 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-02 12:58:55,987 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:58:58,450 INFO L134 CoverageAnalysis]: Checked inductivity of 620 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 407 trivial. 0 not checked. [2024-12-02 12:58:58,450 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:58:58,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1449207149] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:58:58,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:58:58,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [11] total 21 [2024-12-02 12:58:58,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739053885] [2024-12-02 12:58:58,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:58:58,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 12:58:58,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:58:58,451 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 12:58:58,451 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2024-12-02 12:58:58,452 INFO L87 Difference]: Start difference. First operand 402 states and 572 transitions. Second operand has 12 states, 11 states have (on average 9.454545454545455) internal successors, (104), 11 states have internal predecessors, (104), 7 states have call successors, (36), 3 states have call predecessors, (36), 4 states have return successors, (33), 6 states have call predecessors, (33), 7 states have call successors, (33) [2024-12-02 12:59:05,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:59:05,878 INFO L93 Difference]: Finished difference Result 684 states and 978 transitions. [2024-12-02 12:59:05,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 12:59:05,879 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.454545454545455) internal successors, (104), 11 states have internal predecessors, (104), 7 states have call successors, (36), 3 states have call predecessors, (36), 4 states have return successors, (33), 6 states have call predecessors, (33), 7 states have call successors, (33) Word has length 322 [2024-12-02 12:59:05,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:59:05,883 INFO L225 Difference]: With dead ends: 684 [2024-12-02 12:59:05,883 INFO L226 Difference]: Without dead ends: 402 [2024-12-02 12:59:05,884 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 318 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=111, Invalid=881, Unknown=0, NotChecked=0, Total=992 [2024-12-02 12:59:05,885 INFO L435 NwaCegarLoop]: 405 mSDtfsCounter, 632 mSDsluCounter, 3477 mSDsCounter, 0 mSdLazyCounter, 886 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 643 SdHoareTripleChecker+Valid, 3882 SdHoareTripleChecker+Invalid, 998 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 886 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:59:05,885 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [643 Valid, 3882 Invalid, 998 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 886 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2024-12-02 12:59:05,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2024-12-02 12:59:05,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 386. [2024-12-02 12:59:05,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 235 states have (on average 1.2170212765957447) internal successors, (286), 239 states have internal predecessors, (286), 122 states have call successors, (122), 25 states have call predecessors, (122), 27 states have return successors, (137), 121 states have call predecessors, (137), 120 states have call successors, (137) [2024-12-02 12:59:05,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 545 transitions. [2024-12-02 12:59:05,900 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 545 transitions. Word has length 322 [2024-12-02 12:59:05,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:59:05,900 INFO L471 AbstractCegarLoop]: Abstraction has 386 states and 545 transitions. [2024-12-02 12:59:05,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.454545454545455) internal successors, (104), 11 states have internal predecessors, (104), 7 states have call successors, (36), 3 states have call predecessors, (36), 4 states have return successors, (33), 6 states have call predecessors, (33), 7 states have call successors, (33) [2024-12-02 12:59:05,900 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 545 transitions. [2024-12-02 12:59:05,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2024-12-02 12:59:05,902 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:59:05,902 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:59:05,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-12-02 12:59:06,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-12-02 12:59:06,102 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:59:06,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:59:06,103 INFO L85 PathProgramCache]: Analyzing trace with hash 541639933, now seen corresponding path program 2 times [2024-12-02 12:59:06,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:59:06,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644330344] [2024-12-02 12:59:06,103 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 12:59:06,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:59:10,363 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 12:59:10,363 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:59:11,894 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 674 trivial. 0 not checked. [2024-12-02 12:59:11,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:59:11,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644330344] [2024-12-02 12:59:11,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644330344] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:59:11,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:59:11,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 12:59:11,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272280165] [2024-12-02 12:59:11,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:59:11,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 12:59:11,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:59:11,895 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 12:59:11,895 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-12-02 12:59:11,896 INFO L87 Difference]: Start difference. First operand 386 states and 545 transitions. Second operand has 10 states, 10 states have (on average 8.2) internal successors, (82), 8 states have internal predecessors, (82), 6 states have call successors, (34), 4 states have call predecessors, (34), 2 states have return successors, (31), 6 states have call predecessors, (31), 5 states have call successors, (31) [2024-12-02 12:59:14,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:59:14,451 INFO L93 Difference]: Finished difference Result 659 states and 939 transitions. [2024-12-02 12:59:14,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 12:59:14,452 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.2) internal successors, (82), 8 states have internal predecessors, (82), 6 states have call successors, (34), 4 states have call predecessors, (34), 2 states have return successors, (31), 6 states have call predecessors, (31), 5 states have call successors, (31) Word has length 337 [2024-12-02 12:59:14,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:59:14,455 INFO L225 Difference]: With dead ends: 659 [2024-12-02 12:59:14,455 INFO L226 Difference]: Without dead ends: 398 [2024-12-02 12:59:14,456 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-12-02 12:59:14,456 INFO L435 NwaCegarLoop]: 461 mSDtfsCounter, 119 mSDsluCounter, 3494 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 3955 SdHoareTripleChecker+Invalid, 394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-12-02 12:59:14,457 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 3955 Invalid, 394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-12-02 12:59:14,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2024-12-02 12:59:14,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 398. [2024-12-02 12:59:14,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 241 states have (on average 1.2157676348547717) internal successors, (293), 245 states have internal predecessors, (293), 127 states have call successors, (127), 26 states have call predecessors, (127), 28 states have return successors, (142), 126 states have call predecessors, (142), 125 states have call successors, (142) [2024-12-02 12:59:14,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 562 transitions. [2024-12-02 12:59:14,472 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 562 transitions. Word has length 337 [2024-12-02 12:59:14,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:59:14,472 INFO L471 AbstractCegarLoop]: Abstraction has 398 states and 562 transitions. [2024-12-02 12:59:14,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.2) internal successors, (82), 8 states have internal predecessors, (82), 6 states have call successors, (34), 4 states have call predecessors, (34), 2 states have return successors, (31), 6 states have call predecessors, (31), 5 states have call successors, (31) [2024-12-02 12:59:14,473 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 562 transitions. [2024-12-02 12:59:14,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2024-12-02 12:59:14,475 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:59:14,475 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 8, 8, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:59:14,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 12:59:14,475 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:59:14,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:59:14,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1808493686, now seen corresponding path program 1 times [2024-12-02 12:59:14,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:59:14,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084142334] [2024-12-02 12:59:14,476 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:59:14,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:59:18,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:59:20,189 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 50 proven. 28 refuted. 0 times theorem prover too weak. 466 trivial. 0 not checked. [2024-12-02 12:59:20,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:59:20,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084142334] [2024-12-02 12:59:20,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084142334] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:59:20,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [184158372] [2024-12-02 12:59:20,189 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:59:20,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:59:20,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:59:20,191 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:59:20,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-12-02 12:59:27,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:59:27,233 INFO L256 TraceCheckSpWp]: Trace formula consists of 5528 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-02 12:59:27,238 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:59:29,787 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 214 proven. 3 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2024-12-02 12:59:29,787 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:59:35,332 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 50 proven. 28 refuted. 0 times theorem prover too weak. 466 trivial. 0 not checked. [2024-12-02 12:59:35,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [184158372] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:59:35,332 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 12:59:35,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 12] total 29 [2024-12-02 12:59:35,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795190941] [2024-12-02 12:59:35,332 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 12:59:35,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-12-02 12:59:35,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:59:35,334 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-12-02 12:59:35,334 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=729, Unknown=0, NotChecked=0, Total=812 [2024-12-02 12:59:35,335 INFO L87 Difference]: Start difference. First operand 398 states and 562 transitions. Second operand has 29 states, 26 states have (on average 7.269230769230769) internal successors, (189), 23 states have internal predecessors, (189), 16 states have call successors, (83), 8 states have call predecessors, (83), 6 states have return successors, (76), 10 states have call predecessors, (76), 16 states have call successors, (76) [2024-12-02 12:59:45,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:59:45,852 INFO L93 Difference]: Finished difference Result 723 states and 1032 transitions. [2024-12-02 12:59:45,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 12:59:45,853 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 26 states have (on average 7.269230769230769) internal successors, (189), 23 states have internal predecessors, (189), 16 states have call successors, (83), 8 states have call predecessors, (83), 6 states have return successors, (76), 10 states have call predecessors, (76), 16 states have call successors, (76) Word has length 313 [2024-12-02 12:59:45,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:59:45,856 INFO L225 Difference]: With dead ends: 723 [2024-12-02 12:59:45,856 INFO L226 Difference]: Without dead ends: 417 [2024-12-02 12:59:45,857 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 647 GetRequests, 608 SyntacticMatches, 2 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 292 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=165, Invalid=1317, Unknown=0, NotChecked=0, Total=1482 [2024-12-02 12:59:45,857 INFO L435 NwaCegarLoop]: 424 mSDtfsCounter, 667 mSDsluCounter, 6064 mSDsCounter, 0 mSdLazyCounter, 1340 mSolverCounterSat, 159 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 676 SdHoareTripleChecker+Valid, 6488 SdHoareTripleChecker+Invalid, 1499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 159 IncrementalHoareTripleChecker+Valid, 1340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2024-12-02 12:59:45,858 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [676 Valid, 6488 Invalid, 1499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [159 Valid, 1340 Invalid, 0 Unknown, 0 Unchecked, 9.2s Time] [2024-12-02 12:59:45,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2024-12-02 12:59:45,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 411. [2024-12-02 12:59:45,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 253 states have (on average 1.225296442687747) internal successors, (310), 256 states have internal predecessors, (310), 128 states have call successors, (128), 26 states have call predecessors, (128), 28 states have return successors, (143), 128 states have call predecessors, (143), 126 states have call successors, (143) [2024-12-02 12:59:45,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 581 transitions. [2024-12-02 12:59:45,875 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 581 transitions. Word has length 313 [2024-12-02 12:59:45,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:59:45,876 INFO L471 AbstractCegarLoop]: Abstraction has 411 states and 581 transitions. [2024-12-02 12:59:45,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 26 states have (on average 7.269230769230769) internal successors, (189), 23 states have internal predecessors, (189), 16 states have call successors, (83), 8 states have call predecessors, (83), 6 states have return successors, (76), 10 states have call predecessors, (76), 16 states have call successors, (76) [2024-12-02 12:59:45,876 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 581 transitions. [2024-12-02 12:59:45,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2024-12-02 12:59:45,878 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:59:45,878 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:59:45,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-12-02 12:59:46,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-12-02 12:59:46,078 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:59:46,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:59:46,079 INFO L85 PathProgramCache]: Analyzing trace with hash -792318258, now seen corresponding path program 1 times [2024-12-02 12:59:46,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:59:46,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947892754] [2024-12-02 12:59:46,079 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:59:46,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:59:56,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:59:59,355 INFO L134 CoverageAnalysis]: Checked inductivity of 874 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 838 trivial. 0 not checked. [2024-12-02 12:59:59,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:59:59,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947892754] [2024-12-02 12:59:59,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947892754] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:59:59,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2054079418] [2024-12-02 12:59:59,356 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:59:59,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:59:59,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:59:59,358 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:59:59,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f0afe8e-0ac2-450c-8824-282f7da3f3f7/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-12-02 13:00:06,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:00:06,876 INFO L256 TraceCheckSpWp]: Trace formula consists of 6036 conjuncts, 90 conjuncts are in the unsatisfiable core [2024-12-02 13:00:06,942 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:00:06,972 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-12-02 13:00:08,416 WARN L873 $PredicateComparison]: unable to prove that (exists ((v_ensure_array_list_has_allocated_data_member_~list.offset_14 Int)) (and (<= v_ensure_array_list_has_allocated_data_member_~list.offset_14 |c_ensure_array_list_has_allocated_data_member_#in~list.offset|) (= (store |c_old(#memory_$Pointer$#5.offset)| |c_ensure_array_list_has_allocated_data_member_#in~list.base| (store (select |c_old(#memory_$Pointer$#5.offset)| |c_ensure_array_list_has_allocated_data_member_#in~list.base|) v_ensure_array_list_has_allocated_data_member_~list.offset_14 (select (select |c_#memory_$Pointer$#5.offset| |c_ensure_array_list_has_allocated_data_member_#in~list.base|) v_ensure_array_list_has_allocated_data_member_~list.offset_14))) |c_#memory_$Pointer$#5.offset|))) is different from true [2024-12-02 13:00:08,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-02 13:00:08,500 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 25 treesize of output 13 [2024-12-02 13:00:09,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2024-12-02 13:00:10,168 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 25 treesize of output 13 [2024-12-02 13:00:10,470 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-02 13:00:10,471 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 3 [2024-12-02 13:00:14,703 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-12-02 13:02:03,583 INFO L134 CoverageAnalysis]: Checked inductivity of 874 backedges. 538 proven. 26 refuted. 0 times theorem prover too weak. 308 trivial. 2 not checked. [2024-12-02 13:02:03,583 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:02:17,518 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-12-02 13:02:17,519 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 25 [2024-12-02 13:02:20,199 INFO L134 CoverageAnalysis]: Checked inductivity of 874 backedges. 41 proven. 64 refuted. 0 times theorem prover too weak. 769 trivial. 0 not checked. [2024-12-02 13:02:20,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2054079418] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:02:20,199 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 13:02:20,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 32, 12] total 46 [2024-12-02 13:02:20,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7722433] [2024-12-02 13:02:20,199 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 13:02:20,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-12-02 13:02:20,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:02:20,201 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-12-02 13:02:20,201 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=1822, Unknown=20, NotChecked=86, Total=2070 [2024-12-02 13:02:20,202 INFO L87 Difference]: Start difference. First operand 411 states and 581 transitions. Second operand has 46 states, 42 states have (on average 5.5) internal successors, (231), 42 states have internal predecessors, (231), 15 states have call successors, (70), 8 states have call predecessors, (70), 10 states have return successors, (66), 14 states have call predecessors, (66), 14 states have call successors, (66) [2024-12-02 13:02:26,740 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] [2024-12-02 13:02:32,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 13:02:43,128 WARN L539 Checker$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] [2024-12-02 13:02:51,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 13:03:36,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 13:04:04,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 13:04:09,131 WARN L539 Checker$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] [2024-12-02 13:05:03,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 13:05:24,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 13:05:44,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 13:05:49,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 13:06:08,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 13:06:18,900 WARN L539 Checker$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] [2024-12-02 13:06:35,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 13:06:39,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 13:07:00,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 13:07:20,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 13:07:25,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 13:07:29,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 13:07:33,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 13:07:37,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 13:08:02,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 13:08:06,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 13:08:10,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 13:08:15,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 13:08:19,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 13:08:23,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 13:08:27,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 13:08:48,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 13:08:52,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 13:08:56,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 13:09:01,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-12-02 13:09:05,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 13:09:09,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 13:09:14,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 13:09:18,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 13:09:22,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-12-02 13:09:26,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 13:09:31,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 13:09:35,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 13:09:39,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 13:09:43,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 13:09:48,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 13:09:52,336 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]