./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694a7fe6-4642-4408-8fbb-81a5db053840/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694a7fe6-4642-4408-8fbb-81a5db053840/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694a7fe6-4642-4408-8fbb-81a5db053840/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694a7fe6-4642-4408-8fbb-81a5db053840/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694a7fe6-4642-4408-8fbb-81a5db053840/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694a7fe6-4642-4408-8fbb-81a5db053840/bin/uautomizer-verify-VRDe98Ueme --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 71774aeec0d0f8840a1b18b633767b26c38c9eb9d26569d28cdf01c44c9881ac --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 12:05:47,278 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 12:05:47,409 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694a7fe6-4642-4408-8fbb-81a5db053840/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-26 12:05:47,417 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 12:05:47,419 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 12:05:47,461 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 12:05:47,462 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 12:05:47,463 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 12:05:47,464 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 12:05:47,470 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 12:05:47,471 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 12:05:47,471 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 12:05:47,472 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 12:05:47,474 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 12:05:47,475 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 12:05:47,476 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 12:05:47,476 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 12:05:47,477 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 12:05:47,478 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 12:05:47,478 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 12:05:47,479 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 12:05:47,480 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 12:05:47,480 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 12:05:47,481 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 12:05:47,482 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 12:05:47,482 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 12:05:47,483 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 12:05:47,484 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 12:05:47,484 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:05:47,485 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 12:05:47,486 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 12:05:47,487 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 12:05:47,487 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 12:05:47,487 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 12:05:47,488 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 12:05:47,488 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 12:05:47,489 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 12:05:47,489 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 12:05:47,489 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 12:05:47,490 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694a7fe6-4642-4408-8fbb-81a5db053840/bin/uautomizer-verify-VRDe98Ueme/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694a7fe6-4642-4408-8fbb-81a5db053840/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71774aeec0d0f8840a1b18b633767b26c38c9eb9d26569d28cdf01c44c9881ac [2023-11-26 12:05:47,821 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 12:05:47,856 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 12:05:47,859 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 12:05:47,861 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 12:05:47,862 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 12:05:47,864 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694a7fe6-4642-4408-8fbb-81a5db053840/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i [2023-11-26 12:05:51,503 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 12:05:52,212 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 12:05:52,213 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694a7fe6-4642-4408-8fbb-81a5db053840/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i [2023-11-26 12:05:52,263 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694a7fe6-4642-4408-8fbb-81a5db053840/bin/uautomizer-verify-VRDe98Ueme/data/00c888e02/ea421f772d0f45388b16d4041a1bf930/FLAGe2549429e [2023-11-26 12:05:52,282 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694a7fe6-4642-4408-8fbb-81a5db053840/bin/uautomizer-verify-VRDe98Ueme/data/00c888e02/ea421f772d0f45388b16d4041a1bf930 [2023-11-26 12:05:52,285 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 12:05:52,288 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 12:05:52,289 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 12:05:52,290 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 12:05:52,297 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 12:05:52,298 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:05:52" (1/1) ... [2023-11-26 12:05:52,300 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31ae4b26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:52, skipping insertion in model container [2023-11-26 12:05:52,300 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:05:52" (1/1) ... [2023-11-26 12:05:52,481 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 12:05:52,908 WARN L240 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_694a7fe6-4642-4408-8fbb-81a5db053840/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i[4496,4509] [2023-11-26 12:05:52,919 WARN L240 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_694a7fe6-4642-4408-8fbb-81a5db053840/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i[4556,4569] [2023-11-26 12:05:54,149 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:54,150 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:54,151 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:54,152 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:54,154 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:54,171 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:54,172 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:54,175 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:54,176 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:54,179 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:54,180 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:54,181 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:54,182 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:54,699 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-26 12:05:54,701 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-26 12:05:54,702 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-26 12:05:54,704 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-26 12:05:54,706 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-26 12:05:54,707 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-26 12:05:54,708 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-26 12:05:54,709 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-26 12:05:54,710 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-26 12:05:54,711 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-26 12:05:54,970 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:54,979 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:55,054 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:55,055 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:55,056 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:55,056 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:55,057 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:55,057 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:55,058 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:55,059 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:55,059 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:55,060 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:55,060 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:55,061 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:55,061 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:55,065 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:55,065 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:55,066 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:55,066 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:55,071 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:55,072 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:55,081 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:55,083 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:55,083 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:55,102 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:05:55,157 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 12:05:55,171 WARN L240 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_694a7fe6-4642-4408-8fbb-81a5db053840/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i[4496,4509] [2023-11-26 12:05:55,172 WARN L240 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_694a7fe6-4642-4408-8fbb-81a5db053840/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i[4556,4569] [2023-11-26 12:05:55,219 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:55,219 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:55,220 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:55,220 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:55,221 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:55,229 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:55,230 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:55,231 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:55,232 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:55,233 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:55,234 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:55,235 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:55,235 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:55,276 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-26 12:05:55,277 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-26 12:05:55,278 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-26 12:05:55,279 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-26 12:05:55,280 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-26 12:05:55,281 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-26 12:05:55,282 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-26 12:05:55,282 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-26 12:05:55,283 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-26 12:05:55,283 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-26 12:05:55,329 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:55,377 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:55,388 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7771-7782] [2023-11-26 12:05:55,434 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:55,436 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:55,436 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:55,437 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:55,438 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:55,439 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:55,439 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:55,440 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:55,440 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:55,442 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:55,443 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:55,443 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:55,443 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:55,445 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:55,445 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:55,446 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:55,446 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:55,452 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:55,452 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:55,465 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:55,469 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:55,470 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-26 12:05:55,488 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:05:55,839 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:05:55,839 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:05:55,840 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:05:55,840 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:05:55,840 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:05:55,841 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:05:55,842 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:05:55,843 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:05:55,843 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:05:55,843 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:05:55,844 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:05:55,844 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:05:55,845 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:05:55,845 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:05:55,845 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:05:55,855 INFO L206 MainTranslator]: Completed translation [2023-11-26 12:05:55,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:55 WrapperNode [2023-11-26 12:05:55,857 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 12:05:55,859 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 12:05:55,860 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 12:05:55,860 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 12:05:55,872 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:55" (1/1) ... [2023-11-26 12:05:56,015 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:55" (1/1) ... [2023-11-26 12:05:56,123 INFO L138 Inliner]: procedures = 696, calls = 1919, calls flagged for inlining = 60, calls inlined = 15, statements flattened = 1036 [2023-11-26 12:05:56,124 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 12:05:56,125 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 12:05:56,125 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 12:05:56,125 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 12:05:56,140 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:55" (1/1) ... [2023-11-26 12:05:56,141 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:55" (1/1) ... [2023-11-26 12:05:56,157 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:55" (1/1) ... [2023-11-26 12:05:56,315 INFO L175 MemorySlicer]: Split 382 memory accesses to 7 slices as follows [2, 259, 83, 3, 17, 15, 3]. 68 percent of accesses are in the largest equivalence class. The 252 initializations are split as follows [2, 242, 0, 1, 4, 0, 3]. The 30 writes are split as follows [0, 8, 5, 1, 3, 13, 0]. [2023-11-26 12:05:56,315 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:55" (1/1) ... [2023-11-26 12:05:56,316 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:55" (1/1) ... [2023-11-26 12:05:56,381 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:55" (1/1) ... [2023-11-26 12:05:56,391 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:55" (1/1) ... [2023-11-26 12:05:56,408 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:55" (1/1) ... [2023-11-26 12:05:56,420 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:55" (1/1) ... [2023-11-26 12:05:56,443 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 12:05:56,444 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 12:05:56,444 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 12:05:56,444 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 12:05:56,445 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:55" (1/1) ... [2023-11-26 12:05:56,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:05:56,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694a7fe6-4642-4408-8fbb-81a5db053840/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:05:56,493 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694a7fe6-4642-4408-8fbb-81a5db053840/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 12:05:56,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694a7fe6-4642-4408-8fbb-81a5db053840/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 12:05:56,597 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2023-11-26 12:05:56,597 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2023-11-26 12:05:56,598 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2023-11-26 12:05:56,598 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2023-11-26 12:05:56,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 12:05:56,598 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2023-11-26 12:05:56,598 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2023-11-26 12:05:56,599 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2023-11-26 12:05:56,599 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2023-11-26 12:05:56,599 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-26 12:05:56,599 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-26 12:05:56,599 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2023-11-26 12:05:56,599 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2023-11-26 12:05:56,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2023-11-26 12:05:56,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2023-11-26 12:05:56,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2023-11-26 12:05:56,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2023-11-26 12:05:56,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2023-11-26 12:05:56,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2023-11-26 12:05:56,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2023-11-26 12:05:56,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 12:05:56,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 12:05:56,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-26 12:05:56,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-26 12:05:56,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-26 12:05:56,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-26 12:05:56,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-26 12:05:56,603 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2023-11-26 12:05:56,603 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2023-11-26 12:05:56,604 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-26 12:05:56,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-26 12:05:56,604 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_node [2023-11-26 12:05:56,604 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_node [2023-11-26 12:05:56,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-26 12:05:56,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 12:05:56,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-26 12:05:56,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-26 12:05:56,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-26 12:05:56,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-26 12:05:56,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-26 12:05:56,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-26 12:05:56,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-26 12:05:56,613 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2023-11-26 12:05:56,613 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2023-11-26 12:05:56,614 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2023-11-26 12:05:56,615 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2023-11-26 12:05:56,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 12:05:56,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 12:05:56,622 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-26 12:05:56,623 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-26 12:05:56,623 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2023-11-26 12:05:56,623 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2023-11-26 12:05:56,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2023-11-26 12:05:56,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2023-11-26 12:05:56,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2023-11-26 12:05:56,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2023-11-26 12:05:56,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2023-11-26 12:05:56,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2023-11-26 12:05:56,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2023-11-26 12:05:56,625 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2023-11-26 12:05:56,625 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2023-11-26 12:05:56,625 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2023-11-26 12:05:56,626 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2023-11-26 12:05:56,626 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2023-11-26 12:05:56,626 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2023-11-26 12:05:56,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2023-11-26 12:05:56,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2023-11-26 12:05:56,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2023-11-26 12:05:56,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2023-11-26 12:05:56,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2023-11-26 12:05:56,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2023-11-26 12:05:56,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2023-11-26 12:05:56,628 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2023-11-26 12:05:56,629 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2023-11-26 12:05:56,629 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2023-11-26 12:05:56,629 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2023-11-26 12:05:56,629 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2023-11-26 12:05:56,629 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2023-11-26 12:05:56,629 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2023-11-26 12:05:56,630 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 12:05:56,630 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 12:05:56,630 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2023-11-26 12:05:56,630 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2023-11-26 12:05:56,630 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2023-11-26 12:05:56,630 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2023-11-26 12:05:56,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 12:05:56,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-26 12:05:56,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-26 12:05:56,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-26 12:05:56,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-26 12:05:56,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-26 12:05:56,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-26 12:05:56,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-26 12:05:56,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-26 12:05:56,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-26 12:05:56,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-26 12:05:56,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-26 12:05:56,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-26 12:05:56,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-26 12:05:56,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-26 12:05:56,634 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2023-11-26 12:05:56,634 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2023-11-26 12:05:56,634 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-26 12:05:56,634 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-26 12:05:56,635 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2023-11-26 12:05:56,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2023-11-26 12:05:56,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 12:05:56,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 12:05:56,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-26 12:05:56,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-26 12:05:56,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-26 12:05:56,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-26 12:05:56,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-26 12:05:56,636 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2023-11-26 12:05:56,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2023-11-26 12:05:56,636 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2023-11-26 12:05:56,638 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2023-11-26 12:05:56,638 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-26 12:05:56,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-26 12:05:56,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 12:05:56,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 12:05:56,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-26 12:05:56,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-26 12:05:56,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-26 12:05:56,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-26 12:05:56,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-26 12:05:56,640 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at [2023-11-26 12:05:56,640 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at [2023-11-26 12:05:57,183 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 12:05:57,187 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 12:05:59,775 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 12:05:59,962 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 12:05:59,963 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-26 12:05:59,963 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:05:59 BoogieIcfgContainer [2023-11-26 12:05:59,964 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 12:05:59,966 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 12:05:59,967 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 12:05:59,971 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 12:05:59,971 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:05:52" (1/3) ... [2023-11-26 12:05:59,973 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f4ca181 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:05:59, skipping insertion in model container [2023-11-26 12:05:59,973 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:55" (2/3) ... [2023-11-26 12:05:59,973 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f4ca181 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:05:59, skipping insertion in model container [2023-11-26 12:05:59,973 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:05:59" (3/3) ... [2023-11-26 12:05:59,975 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_pop_harness.i [2023-11-26 12:06:00,001 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 12:06:00,001 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-26 12:06:00,117 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 12:06:00,134 INFO L357 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, mHoare=true, 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;@30a40efc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 12:06:00,135 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-26 12:06:00,145 INFO L276 IsEmpty]: Start isEmpty. Operand has 411 states, 226 states have (on average 1.2876106194690264) internal successors, (291), 229 states have internal predecessors, (291), 156 states have call successors, (156), 27 states have call predecessors, (156), 27 states have return successors, (156), 156 states have call predecessors, (156), 156 states have call successors, (156) [2023-11-26 12:06:00,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-26 12:06:00,192 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:06:00,194 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 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] [2023-11-26 12:06:00,195 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:06:00,210 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:00,210 INFO L85 PathProgramCache]: Analyzing trace with hash -530221146, now seen corresponding path program 1 times [2023-11-26 12:06:00,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:00,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972530545] [2023-11-26 12:06:00,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:00,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:00,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:01,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 12:06:01,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:01,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 12:06:01,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:01,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-26 12:06:01,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:01,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-26 12:06:01,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:01,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-26 12:06:01,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:01,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-26 12:06:01,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:01,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-26 12:06:01,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:02,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-26 12:06:02,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:02,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-26 12:06:02,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:02,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-26 12:06:02,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:02,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-26 12:06:02,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:02,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-26 12:06:02,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:02,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 12:06:02,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:02,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-26 12:06:02,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:02,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-26 12:06:02,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:02,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-26 12:06:02,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:02,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-26 12:06:02,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:02,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-26 12:06:02,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:02,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-26 12:06:02,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:02,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-26 12:06:02,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:02,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-26 12:06:02,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:02,373 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-11-26 12:06:02,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:06:02,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972530545] [2023-11-26 12:06:02,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972530545] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 12:06:02,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [280460387] [2023-11-26 12:06:02,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:02,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:06:02,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694a7fe6-4642-4408-8fbb-81a5db053840/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:02,382 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694a7fe6-4642-4408-8fbb-81a5db053840/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:06:02,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694a7fe6-4642-4408-8fbb-81a5db053840/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-26 12:06:03,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:03,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 2426 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-26 12:06:03,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:06:03,527 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2023-11-26 12:06:03,527 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:06:03,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [280460387] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:06:03,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 12:06:03,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2023-11-26 12:06:03,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791900428] [2023-11-26 12:06:03,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:06:03,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 12:06:03,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:06:03,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 12:06:03,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2023-11-26 12:06:03,581 INFO L87 Difference]: Start difference. First operand has 411 states, 226 states have (on average 1.2876106194690264) internal successors, (291), 229 states have internal predecessors, (291), 156 states have call successors, (156), 27 states have call predecessors, (156), 27 states have return successors, (156), 156 states have call predecessors, (156), 156 states have call successors, (156) Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-11-26 12:06:06,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:06:06,683 INFO L93 Difference]: Finished difference Result 815 states and 1337 transitions. [2023-11-26 12:06:06,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 12:06:06,686 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 124 [2023-11-26 12:06:06,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:06:06,704 INFO L225 Difference]: With dead ends: 815 [2023-11-26 12:06:06,704 INFO L226 Difference]: Without dead ends: 410 [2023-11-26 12:06:06,714 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2023-11-26 12:06:06,718 INFO L413 NwaCegarLoop]: 538 mSDtfsCounter, 57 mSDsluCounter, 1514 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 2052 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-11-26 12:06:06,719 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 2052 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-11-26 12:06:06,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2023-11-26 12:06:06,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 410. [2023-11-26 12:06:06,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 225 states have (on average 1.2533333333333334) internal successors, (282), 229 states have internal predecessors, (282), 156 states have call successors, (156), 27 states have call predecessors, (156), 27 states have return successors, (167), 154 states have call predecessors, (167), 154 states have call successors, (167) [2023-11-26 12:06:06,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 605 transitions. [2023-11-26 12:06:06,825 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 605 transitions. Word has length 124 [2023-11-26 12:06:06,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:06:06,826 INFO L495 AbstractCegarLoop]: Abstraction has 410 states and 605 transitions. [2023-11-26 12:06:06,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-11-26 12:06:06,826 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 605 transitions. [2023-11-26 12:06:06,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-26 12:06:06,831 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:06:06,832 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 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] [2023-11-26 12:06:06,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694a7fe6-4642-4408-8fbb-81a5db053840/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:07,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694a7fe6-4642-4408-8fbb-81a5db053840/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-26 12:06:07,044 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:06:07,044 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:07,044 INFO L85 PathProgramCache]: Analyzing trace with hash -82181618, now seen corresponding path program 1 times [2023-11-26 12:06:07,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:07,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348098932] [2023-11-26 12:06:07,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:07,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:07,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:07,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 12:06:07,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:07,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 12:06:07,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:08,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-26 12:06:08,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:08,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-26 12:06:08,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:08,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-26 12:06:08,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:08,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-26 12:06:08,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:08,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-26 12:06:08,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:08,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-26 12:06:08,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:08,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-26 12:06:08,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:08,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-26 12:06:08,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:08,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 12:06:08,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:08,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-26 12:06:08,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:08,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-26 12:06:08,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:08,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 12:06:08,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:08,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-26 12:06:08,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:08,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-26 12:06:08,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:08,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-26 12:06:08,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:08,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-26 12:06:08,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:08,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-26 12:06:08,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:08,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-26 12:06:08,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:08,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-26 12:06:08,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:08,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-26 12:06:08,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:08,570 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2023-11-26 12:06:08,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:06:08,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348098932] [2023-11-26 12:06:08,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348098932] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 12:06:08,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1870303790] [2023-11-26 12:06:08,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:08,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:06:08,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694a7fe6-4642-4408-8fbb-81a5db053840/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:08,574 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694a7fe6-4642-4408-8fbb-81a5db053840/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:06:08,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694a7fe6-4642-4408-8fbb-81a5db053840/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-26 12:06:09,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:09,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 2476 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-26 12:06:09,508 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:06:09,679 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2023-11-26 12:06:09,680 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:06:09,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1870303790] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:06:09,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 12:06:09,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2023-11-26 12:06:09,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587107148] [2023-11-26 12:06:09,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:06:09,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-26 12:06:09,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:06:09,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 12:06:09,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2023-11-26 12:06:09,686 INFO L87 Difference]: Start difference. First operand 410 states and 605 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 4 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2023-11-26 12:06:13,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:06:13,830 INFO L93 Difference]: Finished difference Result 810 states and 1227 transitions. [2023-11-26 12:06:13,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-26 12:06:13,831 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 4 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) Word has length 132 [2023-11-26 12:06:13,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:06:13,845 INFO L225 Difference]: With dead ends: 810 [2023-11-26 12:06:13,845 INFO L226 Difference]: Without dead ends: 431 [2023-11-26 12:06:13,849 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2023-11-26 12:06:13,855 INFO L413 NwaCegarLoop]: 533 mSDtfsCounter, 92 mSDsluCounter, 2492 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 3025 SdHoareTripleChecker+Invalid, 504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2023-11-26 12:06:13,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 3025 Invalid, 504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 499 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2023-11-26 12:06:13,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2023-11-26 12:06:13,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 429. [2023-11-26 12:06:13,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 241 states have (on average 1.2614107883817427) internal successors, (304), 245 states have internal predecessors, (304), 158 states have call successors, (158), 27 states have call predecessors, (158), 28 states have return successors, (186), 157 states have call predecessors, (186), 156 states have call successors, (186) [2023-11-26 12:06:13,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 648 transitions. [2023-11-26 12:06:13,929 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 648 transitions. Word has length 132 [2023-11-26 12:06:13,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:06:13,930 INFO L495 AbstractCegarLoop]: Abstraction has 429 states and 648 transitions. [2023-11-26 12:06:13,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 4 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2023-11-26 12:06:13,930 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 648 transitions. [2023-11-26 12:06:13,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-26 12:06:13,934 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:06:13,934 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 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] [2023-11-26 12:06:13,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694a7fe6-4642-4408-8fbb-81a5db053840/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:14,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694a7fe6-4642-4408-8fbb-81a5db053840/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:06:14,146 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:06:14,147 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:14,147 INFO L85 PathProgramCache]: Analyzing trace with hash 482731505, now seen corresponding path program 1 times [2023-11-26 12:06:14,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:14,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121211451] [2023-11-26 12:06:14,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:14,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:14,293 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:06:14,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [40665634] [2023-11-26 12:06:14,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:14,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:06:14,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694a7fe6-4642-4408-8fbb-81a5db053840/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:14,297 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694a7fe6-4642-4408-8fbb-81a5db053840/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:06:14,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694a7fe6-4642-4408-8fbb-81a5db053840/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-26 12:06:15,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:15,170 INFO L262 TraceCheckSpWp]: Trace formula consists of 2615 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-26 12:06:15,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:06:15,285 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2023-11-26 12:06:15,285 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:06:15,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:06:15,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121211451] [2023-11-26 12:06:15,286 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:06:15,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [40665634] [2023-11-26 12:06:15,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [40665634] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:06:15,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:06:15,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-26 12:06:15,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076027568] [2023-11-26 12:06:15,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:06:15,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 12:06:15,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:06:15,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 12:06:15,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-26 12:06:15,294 INFO L87 Difference]: Start difference. First operand 429 states and 648 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2023-11-26 12:06:18,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:06:18,063 INFO L93 Difference]: Finished difference Result 833 states and 1286 transitions. [2023-11-26 12:06:18,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-26 12:06:18,064 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 145 [2023-11-26 12:06:18,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:06:18,069 INFO L225 Difference]: With dead ends: 833 [2023-11-26 12:06:18,070 INFO L226 Difference]: Without dead ends: 435 [2023-11-26 12:06:18,073 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2023-11-26 12:06:18,074 INFO L413 NwaCegarLoop]: 530 mSDtfsCounter, 76 mSDsluCounter, 1996 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 2526 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-11-26 12:06:18,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 2526 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 318 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-11-26 12:06:18,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2023-11-26 12:06:18,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 429. [2023-11-26 12:06:18,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 241 states have (on average 1.2614107883817427) internal successors, (304), 245 states have internal predecessors, (304), 158 states have call successors, (158), 27 states have call predecessors, (158), 28 states have return successors, (186), 157 states have call predecessors, (186), 156 states have call successors, (186) [2023-11-26 12:06:18,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 648 transitions. [2023-11-26 12:06:18,113 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 648 transitions. Word has length 145 [2023-11-26 12:06:18,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:06:18,114 INFO L495 AbstractCegarLoop]: Abstraction has 429 states and 648 transitions. [2023-11-26 12:06:18,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2023-11-26 12:06:18,115 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 648 transitions. [2023-11-26 12:06:18,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-26 12:06:18,119 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:06:18,119 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 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] [2023-11-26 12:06:18,132 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694a7fe6-4642-4408-8fbb-81a5db053840/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-26 12:06:18,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694a7fe6-4642-4408-8fbb-81a5db053840/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:06:18,329 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:06:18,329 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:18,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1789958102, now seen corresponding path program 1 times [2023-11-26 12:06:18,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:18,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383237264] [2023-11-26 12:06:18,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:18,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:18,468 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:06:18,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [908868194] [2023-11-26 12:06:18,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:18,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:06:18,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694a7fe6-4642-4408-8fbb-81a5db053840/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:18,471 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694a7fe6-4642-4408-8fbb-81a5db053840/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:06:18,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694a7fe6-4642-4408-8fbb-81a5db053840/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-26 12:06:19,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:19,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 2682 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-26 12:06:19,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:06:19,441 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-26 12:06:19,441 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:06:19,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:06:19,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383237264] [2023-11-26 12:06:19,442 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:06:19,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [908868194] [2023-11-26 12:06:19,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [908868194] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:06:19,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:06:19,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-26 12:06:19,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744015519] [2023-11-26 12:06:19,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:06:19,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-26 12:06:19,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:06:19,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-26 12:06:19,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-26 12:06:19,445 INFO L87 Difference]: Start difference. First operand 429 states and 648 transitions. Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 5 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2023-11-26 12:06:23,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 12:06:24,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:06:24,718 INFO L93 Difference]: Finished difference Result 843 states and 1290 transitions. [2023-11-26 12:06:24,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-26 12:06:24,719 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 5 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) Word has length 161 [2023-11-26 12:06:24,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:06:24,726 INFO L225 Difference]: With dead ends: 843 [2023-11-26 12:06:24,726 INFO L226 Difference]: Without dead ends: 445 [2023-11-26 12:06:24,730 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2023-11-26 12:06:24,735 INFO L413 NwaCegarLoop]: 507 mSDtfsCounter, 136 mSDsluCounter, 2882 mSDsCounter, 0 mSdLazyCounter, 621 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 3389 SdHoareTripleChecker+Invalid, 639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2023-11-26 12:06:24,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 3389 Invalid, 639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 621 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2023-11-26 12:06:24,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2023-11-26 12:06:24,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 429. [2023-11-26 12:06:24,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 241 states have (on average 1.2614107883817427) internal successors, (304), 245 states have internal predecessors, (304), 158 states have call successors, (158), 27 states have call predecessors, (158), 28 states have return successors, (186), 157 states have call predecessors, (186), 156 states have call successors, (186) [2023-11-26 12:06:24,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 648 transitions. [2023-11-26 12:06:24,782 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 648 transitions. Word has length 161 [2023-11-26 12:06:24,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:06:24,785 INFO L495 AbstractCegarLoop]: Abstraction has 429 states and 648 transitions. [2023-11-26 12:06:24,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 5 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2023-11-26 12:06:24,786 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 648 transitions. [2023-11-26 12:06:24,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-26 12:06:24,789 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:06:24,790 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 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, 1, 1, 1, 1] [2023-11-26 12:06:24,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694a7fe6-4642-4408-8fbb-81a5db053840/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:25,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694a7fe6-4642-4408-8fbb-81a5db053840/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:06:25,004 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:06:25,004 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:25,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1897575721, now seen corresponding path program 2 times [2023-11-26 12:06:25,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:25,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164020927] [2023-11-26 12:06:25,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:25,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:25,203 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:06:25,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1252688384] [2023-11-26 12:06:25,203 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-26 12:06:25,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:06:25,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694a7fe6-4642-4408-8fbb-81a5db053840/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:25,205 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694a7fe6-4642-4408-8fbb-81a5db053840/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:06:25,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694a7fe6-4642-4408-8fbb-81a5db053840/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-26 12:06:26,102 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-26 12:06:26,102 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 12:06:26,116 INFO L262 TraceCheckSpWp]: Trace formula consists of 2821 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-26 12:06:26,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:06:26,219 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2023-11-26 12:06:26,219 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:06:26,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:06:26,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164020927] [2023-11-26 12:06:26,220 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:06:26,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1252688384] [2023-11-26 12:06:26,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1252688384] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:06:26,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:06:26,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-26 12:06:26,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018285302] [2023-11-26 12:06:26,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:06:26,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 12:06:26,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:06:26,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 12:06:26,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-26 12:06:26,223 INFO L87 Difference]: Start difference. First operand 429 states and 648 transitions. Second operand has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 4 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2023-11-26 12:06:29,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:06:29,133 INFO L93 Difference]: Finished difference Result 799 states and 1226 transitions. [2023-11-26 12:06:29,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 12:06:29,134 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 4 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) Word has length 174 [2023-11-26 12:06:29,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:06:29,139 INFO L225 Difference]: With dead ends: 799 [2023-11-26 12:06:29,139 INFO L226 Difference]: Without dead ends: 431 [2023-11-26 12:06:29,142 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-26 12:06:29,143 INFO L413 NwaCegarLoop]: 536 mSDtfsCounter, 62 mSDsluCounter, 2030 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 2566 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-11-26 12:06:29,143 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 2566 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-11-26 12:06:29,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2023-11-26 12:06:29,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 431. [2023-11-26 12:06:29,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 242 states have (on average 1.2603305785123966) internal successors, (305), 247 states have internal predecessors, (305), 158 states have call successors, (158), 27 states have call predecessors, (158), 29 states have return successors, (197), 157 states have call predecessors, (197), 156 states have call successors, (197) [2023-11-26 12:06:29,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 660 transitions. [2023-11-26 12:06:29,174 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 660 transitions. Word has length 174 [2023-11-26 12:06:29,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:06:29,175 INFO L495 AbstractCegarLoop]: Abstraction has 431 states and 660 transitions. [2023-11-26 12:06:29,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 4 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2023-11-26 12:06:29,176 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 660 transitions. [2023-11-26 12:06:29,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-11-26 12:06:29,179 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:06:29,179 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:06:29,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694a7fe6-4642-4408-8fbb-81a5db053840/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:29,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694a7fe6-4642-4408-8fbb-81a5db053840/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:06:29,391 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:06:29,391 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:29,391 INFO L85 PathProgramCache]: Analyzing trace with hash 1023399361, now seen corresponding path program 1 times [2023-11-26 12:06:29,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:29,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622738638] [2023-11-26 12:06:29,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:29,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:29,545 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:06:29,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1325962063] [2023-11-26 12:06:29,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:29,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:06:29,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694a7fe6-4642-4408-8fbb-81a5db053840/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:29,547 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694a7fe6-4642-4408-8fbb-81a5db053840/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:06:29,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694a7fe6-4642-4408-8fbb-81a5db053840/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-26 12:06:30,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:30,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 2871 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-26 12:06:30,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:06:30,545 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2023-11-26 12:06:30,545 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:06:30,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:06:30,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622738638] [2023-11-26 12:06:30,546 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:06:30,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1325962063] [2023-11-26 12:06:30,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1325962063] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:06:30,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:06:30,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-26 12:06:30,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178615185] [2023-11-26 12:06:30,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:06:30,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-26 12:06:30,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:06:30,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-26 12:06:30,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-26 12:06:30,550 INFO L87 Difference]: Start difference. First operand 431 states and 660 transitions. Second operand has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 8 states have internal predecessors, (80), 5 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (24), 4 states have call predecessors, (24), 5 states have call successors, (24) [2023-11-26 12:06:35,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:06:35,750 INFO L93 Difference]: Finished difference Result 817 states and 1270 transitions. [2023-11-26 12:06:35,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-26 12:06:35,751 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 8 states have internal predecessors, (80), 5 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (24), 4 states have call predecessors, (24), 5 states have call successors, (24) Word has length 182 [2023-11-26 12:06:35,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:06:35,757 INFO L225 Difference]: With dead ends: 817 [2023-11-26 12:06:35,757 INFO L226 Difference]: Without dead ends: 447 [2023-11-26 12:06:35,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-11-26 12:06:35,764 INFO L413 NwaCegarLoop]: 530 mSDtfsCounter, 98 mSDsluCounter, 2996 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 3526 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2023-11-26 12:06:35,764 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 3526 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2023-11-26 12:06:35,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2023-11-26 12:06:35,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 445. [2023-11-26 12:06:35,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 255 states have (on average 1.2666666666666666) internal successors, (323), 259 states have internal predecessors, (323), 159 states have call successors, (159), 27 states have call predecessors, (159), 29 states have return successors, (198), 159 states have call predecessors, (198), 157 states have call successors, (198) [2023-11-26 12:06:35,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 680 transitions. [2023-11-26 12:06:35,801 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 680 transitions. Word has length 182 [2023-11-26 12:06:35,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:06:35,802 INFO L495 AbstractCegarLoop]: Abstraction has 445 states and 680 transitions. [2023-11-26 12:06:35,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 8 states have internal predecessors, (80), 5 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (24), 4 states have call predecessors, (24), 5 states have call successors, (24) [2023-11-26 12:06:35,802 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 680 transitions. [2023-11-26 12:06:35,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2023-11-26 12:06:35,806 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:06:35,806 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 5, 5, 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] [2023-11-26 12:06:35,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694a7fe6-4642-4408-8fbb-81a5db053840/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:36,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694a7fe6-4642-4408-8fbb-81a5db053840/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-26 12:06:36,020 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:06:36,021 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:36,021 INFO L85 PathProgramCache]: Analyzing trace with hash 249239686, now seen corresponding path program 2 times [2023-11-26 12:06:36,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:36,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832283260] [2023-11-26 12:06:36,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:36,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:36,210 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:06:36,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1897920309] [2023-11-26 12:06:36,210 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-26 12:06:36,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:06:36,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694a7fe6-4642-4408-8fbb-81a5db053840/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:36,212 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694a7fe6-4642-4408-8fbb-81a5db053840/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:06:36,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694a7fe6-4642-4408-8fbb-81a5db053840/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-26 12:06:37,213 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-26 12:06:37,213 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 12:06:37,226 INFO L262 TraceCheckSpWp]: Trace formula consists of 3010 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-26 12:06:37,234 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:06:37,338 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2023-11-26 12:06:37,339 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:06:37,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:06:37,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832283260] [2023-11-26 12:06:37,339 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:06:37,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1897920309] [2023-11-26 12:06:37,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1897920309] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:06:37,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:06:37,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-26 12:06:37,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073972000] [2023-11-26 12:06:37,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:06:37,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-26 12:06:37,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:06:37,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 12:06:37,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-26 12:06:37,343 INFO L87 Difference]: Start difference. First operand 445 states and 680 transitions. Second operand has 7 states, 6 states have (on average 12.833333333333334) internal successors, (77), 7 states have internal predecessors, (77), 5 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (24), 4 states have call predecessors, (24), 5 states have call successors, (24) [2023-11-26 12:06:41,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 12:06:42,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:06:42,142 INFO L93 Difference]: Finished difference Result 835 states and 1304 transitions. [2023-11-26 12:06:42,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-26 12:06:42,143 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.833333333333334) internal successors, (77), 7 states have internal predecessors, (77), 5 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (24), 4 states have call predecessors, (24), 5 states have call successors, (24) Word has length 195 [2023-11-26 12:06:42,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:06:42,148 INFO L225 Difference]: With dead ends: 835 [2023-11-26 12:06:42,148 INFO L226 Difference]: Without dead ends: 451 [2023-11-26 12:06:42,152 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2023-11-26 12:06:42,153 INFO L413 NwaCegarLoop]: 529 mSDtfsCounter, 81 mSDsluCounter, 2506 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 3035 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-11-26 12:06:42,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 3035 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2023-11-26 12:06:42,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2023-11-26 12:06:42,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 445. [2023-11-26 12:06:42,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 255 states have (on average 1.2666666666666666) internal successors, (323), 259 states have internal predecessors, (323), 159 states have call successors, (159), 27 states have call predecessors, (159), 29 states have return successors, (198), 159 states have call predecessors, (198), 157 states have call successors, (198) [2023-11-26 12:06:42,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 680 transitions. [2023-11-26 12:06:42,186 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 680 transitions. Word has length 195 [2023-11-26 12:06:42,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:06:42,187 INFO L495 AbstractCegarLoop]: Abstraction has 445 states and 680 transitions. [2023-11-26 12:06:42,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.833333333333334) internal successors, (77), 7 states have internal predecessors, (77), 5 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (24), 4 states have call predecessors, (24), 5 states have call successors, (24) [2023-11-26 12:06:42,187 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 680 transitions. [2023-11-26 12:06:42,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2023-11-26 12:06:42,191 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:06:42,191 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 6, 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] [2023-11-26 12:06:42,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_694a7fe6-4642-4408-8fbb-81a5db053840/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0