./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9 --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3907eceb58207af01ccb0a3dcf6b9532cbf30a6d8bb001cb81ed489179d9351c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:00:56,867 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:00:56,933 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-03 00:00:56,937 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:00:56,938 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:00:56,963 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:00:56,963 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:00:56,964 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:00:56,965 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:00:56,965 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:00:56,966 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:00:56,966 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:00:56,967 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:00:56,968 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:00:56,968 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:00:56,969 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:00:56,969 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:00:56,970 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:00:56,970 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:00:56,971 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:00:56,971 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:00:56,972 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:00:56,972 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:00:56,973 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:00:56,973 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:00:56,974 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:00:56,974 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:00:56,975 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:00:56,975 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:00:56,975 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:00:56,976 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3907eceb58207af01ccb0a3dcf6b9532cbf30a6d8bb001cb81ed489179d9351c [2023-12-03 00:00:57,212 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:00:57,234 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:00:57,236 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:00:57,237 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:00:57,238 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:00:57,239 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness_negated.i [2023-12-03 00:01:00,007 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:01:00,384 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:01:00,385 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness_negated.i [2023-12-03 00:01:00,419 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/data/9a788d356/65da11fa00b440ccba876a1cc5adc0c1/FLAG30b263467 [2023-12-03 00:01:00,436 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/data/9a788d356/65da11fa00b440ccba876a1cc5adc0c1 [2023-12-03 00:01:00,439 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:01:00,440 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:01:00,442 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:01:00,442 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:01:00,447 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:01:00,447 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:01:00" (1/1) ... [2023-12-03 00:01:00,449 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7705d8dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:01:00, skipping insertion in model container [2023-12-03 00:01:00,449 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:01:00" (1/1) ... [2023-12-03 00:01:00,549 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:01:00,804 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_3fa90ce0-2124-485a-ab94-36e0c7446092/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness_negated.i[4494,4507] [2023-12-03 00:01:00,812 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_3fa90ce0-2124-485a-ab94-36e0c7446092/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness_negated.i[4554,4567] [2023-12-03 00:01:01,671 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:01:01,672 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:01:01,673 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:01:01,674 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:01:01,675 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:01:01,691 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:01:01,692 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:01:01,695 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:01:01,696 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:01:01,698 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:01:01,699 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:01:01,700 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:01:01,701 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:01:02,107 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-12-03 00:01:02,108 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-12-03 00:01:02,110 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-12-03 00:01:02,111 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-12-03 00:01:02,113 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-12-03 00:01:02,113 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-12-03 00:01:02,114 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-12-03 00:01:02,115 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-12-03 00:01:02,116 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-12-03 00:01:02,117 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-12-03 00:01:02,350 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:01:02,384 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:01:02,400 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_3fa90ce0-2124-485a-ab94-36e0c7446092/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness_negated.i[4494,4507] [2023-12-03 00:01:02,401 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_3fa90ce0-2124-485a-ab94-36e0c7446092/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness_negated.i[4554,4567] [2023-12-03 00:01:02,520 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:01:02,521 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:01:02,521 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:01:02,522 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:01:02,523 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:01:02,530 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:01:02,531 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:01:02,532 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:01:02,533 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:01:02,534 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:01:02,535 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:01:02,535 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:01:02,535 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:01:02,576 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-12-03 00:01:02,577 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-12-03 00:01:02,578 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-12-03 00:01:02,579 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-12-03 00:01:02,580 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-12-03 00:01:02,581 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-12-03 00:01:02,582 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-12-03 00:01:02,582 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-12-03 00:01:02,583 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-12-03 00:01:02,583 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-12-03 00:01:02,624 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7559-7570] [2023-12-03 00:01:02,643 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:01:02,871 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:01:02,872 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:01:02,872 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:01:02,872 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:01:02,872 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:01:02,872 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:01:02,872 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:01:02,872 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:01:02,873 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:01:02,873 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:01:02,873 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:01:02,873 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:01:02,873 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:01:02,873 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:01:02,873 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:01:02,873 WARN L675 CHandler]: The function aws_array_list_ensure_capacity is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:01:02,880 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:01:02,880 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:01:02 WrapperNode [2023-12-03 00:01:02,881 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:01:02,881 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:01:02,881 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:01:02,882 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:01:02,888 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:01:02" (1/1) ... [2023-12-03 00:01:02,953 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:01:02" (1/1) ... [2023-12-03 00:01:03,015 INFO L138 Inliner]: procedures = 688, calls = 1518, calls flagged for inlining = 48, calls inlined = 7, statements flattened = 573 [2023-12-03 00:01:03,016 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:01:03,017 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:01:03,017 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:01:03,017 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:01:03,027 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:01:02" (1/1) ... [2023-12-03 00:01:03,027 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:01:02" (1/1) ... [2023-12-03 00:01:03,034 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:01:02" (1/1) ... [2023-12-03 00:01:03,035 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:01:02" (1/1) ... [2023-12-03 00:01:03,066 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:01:02" (1/1) ... [2023-12-03 00:01:03,071 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:01:02" (1/1) ... [2023-12-03 00:01:03,099 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:01:02" (1/1) ... [2023-12-03 00:01:03,104 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:01:02" (1/1) ... [2023-12-03 00:01:03,112 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:01:03,113 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:01:03,113 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:01:03,113 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:01:03,114 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:01:02" (1/1) ... [2023-12-03 00:01:03,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:01:03,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:01:03,152 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:01:03,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:01:03,186 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_load_n [2023-12-03 00:01:03,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:01:03,187 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-12-03 00:01:03,187 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-12-03 00:01:03,187 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2023-12-03 00:01:03,187 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2023-12-03 00:01:03,187 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2023-12-03 00:01:03,187 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2023-12-03 00:01:03,187 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_init_ptr [2023-12-03 00:01:03,188 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_init_ptr [2023-12-03 00:01:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2023-12-03 00:01:03,188 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2023-12-03 00:01:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 00:01:03,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 00:01:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 00:01:03,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:01:03,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 00:01:03,189 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2023-12-03 00:01:03,189 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2023-12-03 00:01:03,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:01:03,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:01:03,189 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-12-03 00:01:03,190 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-12-03 00:01:03,190 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2023-12-03 00:01:03,190 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2023-12-03 00:01:03,190 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2023-12-03 00:01:03,190 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2023-12-03 00:01:03,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 00:01:03,190 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 00:01:03,191 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 00:01:03,191 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 00:01:03,191 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2023-12-03 00:01:03,191 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2023-12-03 00:01:03,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:01:03,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 00:01:03,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-03 00:01:03,191 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2023-12-03 00:01:03,192 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2023-12-03 00:01:03,192 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-12-03 00:01:03,192 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-12-03 00:01:03,192 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2023-12-03 00:01:03,192 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2023-12-03 00:01:03,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:01:03,431 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:01:03,433 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:01:04,050 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:01:04,212 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:01:04,213 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 00:01:04,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:01:04 BoogieIcfgContainer [2023-12-03 00:01:04,214 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:01:04,215 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:01:04,215 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:01:04,223 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:01:04,223 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:01:04" (1/1) ... [2023-12-03 00:01:04,230 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:01:04,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:04,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 110 states and 137 transitions. [2023-12-03 00:01:04,279 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 137 transitions. [2023-12-03 00:01:04,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:01:04,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:04,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:01:04,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:04,738 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-12-03 00:01:04,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:04,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 110 states and 134 transitions. [2023-12-03 00:01:04,887 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 134 transitions. [2023-12-03 00:01:04,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 00:01:04,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:04,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:01:05,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:05,536 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-12-03 00:01:05,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:05,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 114 states and 138 transitions. [2023-12-03 00:01:05,635 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 138 transitions. [2023-12-03 00:01:05,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-03 00:01:05,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:05,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:01:05,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:05,979 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-12-03 00:01:06,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:06,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 116 states and 140 transitions. [2023-12-03 00:01:06,040 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 140 transitions. [2023-12-03 00:01:06,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-03 00:01:06,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:06,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:01:06,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:06,537 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-03 00:01:06,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:06,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 112 states and 135 transitions. [2023-12-03 00:01:06,683 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 135 transitions. [2023-12-03 00:01:06,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-12-03 00:01:06,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:06,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:01:06,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:07,201 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-03 00:01:07,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:07,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 114 states and 139 transitions. [2023-12-03 00:01:07,408 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 139 transitions. [2023-12-03 00:01:07,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-12-03 00:01:07,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:07,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:01:07,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:08,033 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-03 00:01:08,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:08,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 116 states and 141 transitions. [2023-12-03 00:01:08,515 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 141 transitions. [2023-12-03 00:01:08,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-12-03 00:01:08,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:08,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:01:08,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:09,094 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-03 00:01:09,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:09,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 118 states and 141 transitions. [2023-12-03 00:01:09,497 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 141 transitions. [2023-12-03 00:01:09,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-03 00:01:09,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:09,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:01:09,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:09,987 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-03 00:01:10,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:10,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 120 states and 139 transitions. [2023-12-03 00:01:10,407 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 139 transitions. [2023-12-03 00:01:10,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-03 00:01:10,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:10,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:01:10,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:11,739 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-12-03 00:01:11,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:11,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 124 states and 142 transitions. [2023-12-03 00:01:11,911 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 142 transitions. [2023-12-03 00:01:11,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-03 00:01:11,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:11,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:01:12,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:12,567 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-03 00:01:12,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:12,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 126 states and 145 transitions. [2023-12-03 00:01:12,697 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 145 transitions. [2023-12-03 00:01:12,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-03 00:01:12,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:12,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:01:12,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:13,284 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-03 00:01:13,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:13,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 127 states and 147 transitions. [2023-12-03 00:01:13,531 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 147 transitions. [2023-12-03 00:01:13,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-03 00:01:13,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:13,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:01:13,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:14,294 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-03 00:01:14,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:14,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 128 states and 148 transitions. [2023-12-03 00:01:14,573 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 148 transitions. [2023-12-03 00:01:14,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-12-03 00:01:14,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:14,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:01:14,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:15,420 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-03 00:01:15,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:15,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 129 states and 149 transitions. [2023-12-03 00:01:15,709 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 149 transitions. [2023-12-03 00:01:15,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-03 00:01:15,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:15,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:01:15,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:16,602 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-03 00:01:16,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:16,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 130 states and 150 transitions. [2023-12-03 00:01:16,914 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 150 transitions. [2023-12-03 00:01:16,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-12-03 00:01:16,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:16,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:01:17,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:17,805 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-03 00:01:18,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:18,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 131 states and 151 transitions. [2023-12-03 00:01:18,075 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 151 transitions. [2023-12-03 00:01:18,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-03 00:01:18,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:18,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:01:18,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:18,795 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-03 00:01:19,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:19,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 132 states and 152 transitions. [2023-12-03 00:01:19,075 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 152 transitions. [2023-12-03 00:01:19,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 00:01:19,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:19,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:01:19,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:19,820 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-03 00:01:20,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:20,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 133 states and 153 transitions. [2023-12-03 00:01:20,075 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 153 transitions. [2023-12-03 00:01:20,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-12-03 00:01:20,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:20,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:01:20,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:20,891 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-03 00:01:21,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:21,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 134 states and 154 transitions. [2023-12-03 00:01:21,139 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 154 transitions. [2023-12-03 00:01:21,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-12-03 00:01:21,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:21,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:01:21,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:21,909 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-03 00:01:22,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:22,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 135 states and 155 transitions. [2023-12-03 00:01:22,182 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 155 transitions. [2023-12-03 00:01:22,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-12-03 00:01:22,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:22,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:01:22,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:22,979 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-03 00:01:23,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:23,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 136 states and 156 transitions. [2023-12-03 00:01:23,280 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 156 transitions. [2023-12-03 00:01:23,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-12-03 00:01:23,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:23,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:01:23,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:24,100 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-03 00:01:24,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:24,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 137 states and 157 transitions. [2023-12-03 00:01:24,415 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 157 transitions. [2023-12-03 00:01:24,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-12-03 00:01:24,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:24,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:01:24,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:25,440 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-03 00:01:25,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:25,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 138 states and 158 transitions. [2023-12-03 00:01:25,786 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 158 transitions. [2023-12-03 00:01:25,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-12-03 00:01:25,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:25,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:01:25,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:26,788 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-03 00:01:27,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:27,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 139 states and 159 transitions. [2023-12-03 00:01:27,131 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 159 transitions. [2023-12-03 00:01:27,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-03 00:01:27,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:27,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:01:27,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:28,063 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-03 00:01:28,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:28,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 140 states and 160 transitions. [2023-12-03 00:01:28,435 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 160 transitions. [2023-12-03 00:01:28,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-12-03 00:01:28,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:28,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:01:28,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:29,381 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-03 00:01:29,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:29,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 141 states and 161 transitions. [2023-12-03 00:01:29,728 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 161 transitions. [2023-12-03 00:01:29,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-12-03 00:01:29,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:29,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:01:29,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:30,793 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-03 00:01:31,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:31,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 142 states and 162 transitions. [2023-12-03 00:01:31,131 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 162 transitions. [2023-12-03 00:01:31,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-12-03 00:01:31,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:31,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:01:31,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:32,244 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-03 00:01:32,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:32,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 143 states and 163 transitions. [2023-12-03 00:01:32,618 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 163 transitions. [2023-12-03 00:01:32,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-12-03 00:01:32,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:32,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:01:32,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:33,810 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-03 00:01:34,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:34,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 144 states and 164 transitions. [2023-12-03 00:01:34,135 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 164 transitions. [2023-12-03 00:01:34,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-12-03 00:01:34,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:34,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:01:34,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:35,396 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-03 00:01:35,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:35,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 145 states and 165 transitions. [2023-12-03 00:01:35,748 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 165 transitions. [2023-12-03 00:01:35,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-12-03 00:01:35,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:35,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:01:35,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:36,889 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-03 00:01:37,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:37,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 146 states and 166 transitions. [2023-12-03 00:01:37,253 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 166 transitions. [2023-12-03 00:01:37,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-12-03 00:01:37,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:37,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:01:37,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:38,469 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-03 00:01:38,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:38,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 147 states and 167 transitions. [2023-12-03 00:01:38,811 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 167 transitions. [2023-12-03 00:01:38,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-12-03 00:01:38,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:38,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:01:38,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:40,073 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-03 00:01:40,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:40,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 148 states and 168 transitions. [2023-12-03 00:01:40,415 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 168 transitions. [2023-12-03 00:01:40,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-12-03 00:01:40,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:40,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:01:40,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:41,821 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-03 00:01:42,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:42,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 149 states and 169 transitions. [2023-12-03 00:01:42,205 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 169 transitions. [2023-12-03 00:01:42,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-12-03 00:01:42,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:42,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:01:42,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:43,512 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-03 00:01:43,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:43,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 150 states and 170 transitions. [2023-12-03 00:01:43,882 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 170 transitions. [2023-12-03 00:01:43,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-12-03 00:01:43,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:43,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:01:44,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:45,270 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-03 00:01:45,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:45,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 151 states and 171 transitions. [2023-12-03 00:01:45,649 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 171 transitions. [2023-12-03 00:01:45,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-12-03 00:01:45,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:45,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:01:45,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:47,075 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-03 00:01:47,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:47,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 152 states and 172 transitions. [2023-12-03 00:01:47,461 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 172 transitions. [2023-12-03 00:01:47,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-12-03 00:01:47,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:47,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:01:47,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:49,094 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-03 00:01:49,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:49,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 153 states and 173 transitions. [2023-12-03 00:01:49,508 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 173 transitions. [2023-12-03 00:01:49,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-12-03 00:01:49,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:49,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:01:49,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:51,054 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-03 00:01:51,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:51,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 154 states and 174 transitions. [2023-12-03 00:01:51,475 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 174 transitions. [2023-12-03 00:01:51,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-12-03 00:01:51,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:51,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:01:51,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:53,012 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-03 00:01:53,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:53,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 155 states and 175 transitions. [2023-12-03 00:01:53,452 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 175 transitions. [2023-12-03 00:01:53,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-12-03 00:01:53,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:53,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:01:53,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:55,053 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-03 00:01:55,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:55,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 156 states and 176 transitions. [2023-12-03 00:01:55,499 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 176 transitions. [2023-12-03 00:01:55,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-12-03 00:01:55,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:55,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:01:55,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:57,148 INFO L134 CoverageAnalysis]: Checked inductivity of 556 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-03 00:01:57,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:57,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 157 states and 177 transitions. [2023-12-03 00:01:57,617 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 177 transitions. [2023-12-03 00:01:57,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-12-03 00:01:57,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:57,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:01:57,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:01:59,302 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-03 00:01:59,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:01:59,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 158 states and 178 transitions. [2023-12-03 00:01:59,728 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 178 transitions. [2023-12-03 00:01:59,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-12-03 00:01:59,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:01:59,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:01:59,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:02:01,469 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-03 00:02:01,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:02:01,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 159 states and 179 transitions. [2023-12-03 00:02:01,970 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 179 transitions. [2023-12-03 00:02:01,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-12-03 00:02:01,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:02:01,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:02:02,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:02:03,892 INFO L134 CoverageAnalysis]: Checked inductivity of 655 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-03 00:02:04,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:02:04,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 160 states and 180 transitions. [2023-12-03 00:02:04,356 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 180 transitions. [2023-12-03 00:02:04,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-12-03 00:02:04,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:02:04,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:02:04,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:02:06,238 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-03 00:02:06,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:02:06,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 161 states and 181 transitions. [2023-12-03 00:02:06,644 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 181 transitions. [2023-12-03 00:02:06,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-12-03 00:02:06,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:02:06,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:02:06,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:02:08,649 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-03 00:02:09,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:02:09,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 162 states and 182 transitions. [2023-12-03 00:02:09,103 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 182 transitions. [2023-12-03 00:02:09,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-12-03 00:02:09,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:02:09,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:02:09,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:02:11,063 INFO L134 CoverageAnalysis]: Checked inductivity of 763 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-03 00:02:11,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:02:11,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 163 states and 183 transitions. [2023-12-03 00:02:11,577 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 183 transitions. [2023-12-03 00:02:11,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-12-03 00:02:11,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:02:11,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:02:11,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:02:13,615 INFO L134 CoverageAnalysis]: Checked inductivity of 801 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-03 00:02:14,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:02:14,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 164 states and 184 transitions. [2023-12-03 00:02:14,147 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 184 transitions. [2023-12-03 00:02:14,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-12-03 00:02:14,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:02:14,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:02:14,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:02:21,438 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-03 00:02:26,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:02:26,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 165 states and 185 transitions. [2023-12-03 00:02:26,993 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 185 transitions. [2023-12-03 00:02:26,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-12-03 00:02:26,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:02:26,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:02:27,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:02:36,752 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 878 trivial. 0 not checked. [2023-12-03 00:02:43,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:02:43,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 167 states and 191 transitions. [2023-12-03 00:02:43,393 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 191 transitions. [2023-12-03 00:02:43,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-12-03 00:02:43,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:02:43,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:02:44,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:02:52,239 INFO L134 CoverageAnalysis]: Checked inductivity of 962 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 944 trivial. 0 not checked. [2023-12-03 00:03:03,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:03:03,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 167 states and 190 transitions. [2023-12-03 00:03:03,202 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 190 transitions. [2023-12-03 00:03:03,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2023-12-03 00:03:03,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:03:03,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:03:04,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:03:04,265 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:03:05,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:03:16,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 00:03:16,547 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 00:03:16,550 INFO L158 Benchmark]: Toolchain (without parser) took 136109.45ms. Allocated memory was 159.4MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 113.0MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 983.9MB. Max. memory is 16.1GB. [2023-12-03 00:03:16,551 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 159.4MB. Free memory was 122.8MB in the beginning and 122.8MB in the end (delta: 29.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:03:16,551 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2439.22ms. Allocated memory was 159.4MB in the beginning and 224.4MB in the end (delta: 65.0MB). Free memory was 113.0MB in the beginning and 102.2MB in the end (delta: 10.9MB). Peak memory consumption was 84.8MB. Max. memory is 16.1GB. [2023-12-03 00:03:16,552 INFO L158 Benchmark]: Boogie Procedure Inliner took 134.68ms. Allocated memory is still 224.4MB. Free memory was 101.1MB in the beginning and 93.8MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 00:03:16,552 INFO L158 Benchmark]: Boogie Preprocessor took 95.40ms. Allocated memory is still 224.4MB. Free memory was 93.8MB in the beginning and 172.1MB in the end (delta: -78.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 00:03:16,552 INFO L158 Benchmark]: RCFGBuilder took 1101.57ms. Allocated memory is still 224.4MB. Free memory was 172.1MB in the beginning and 145.1MB in the end (delta: 27.1MB). Peak memory consumption was 104.7MB. Max. memory is 16.1GB. [2023-12-03 00:03:16,553 INFO L158 Benchmark]: CodeCheck took 132334.06ms. Allocated memory was 224.4MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 145.1MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 950.3MB. Max. memory is 16.1GB. [2023-12-03 00:03:16,556 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 159.4MB. Free memory was 122.8MB in the beginning and 122.8MB in the end (delta: 29.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2439.22ms. Allocated memory was 159.4MB in the beginning and 224.4MB in the end (delta: 65.0MB). Free memory was 113.0MB in the beginning and 102.2MB in the end (delta: 10.9MB). Peak memory consumption was 84.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 134.68ms. Allocated memory is still 224.4MB. Free memory was 101.1MB in the beginning and 93.8MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 95.40ms. Allocated memory is still 224.4MB. Free memory was 93.8MB in the beginning and 172.1MB in the end (delta: -78.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 1101.57ms. Allocated memory is still 224.4MB. Free memory was 172.1MB in the beginning and 145.1MB in the end (delta: 27.1MB). Peak memory consumption was 104.7MB. Max. memory is 16.1GB. * CodeCheck took 132334.06ms. Allocated memory was 224.4MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 145.1MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 950.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 7559]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7559-7570] RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 00:03:16,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9 --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3907eceb58207af01ccb0a3dcf6b9532cbf30a6d8bb001cb81ed489179d9351c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:03:18,506 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:03:18,588 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-03 00:03:18,617 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:03:18,618 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:03:18,618 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:03:18,619 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:03:18,619 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:03:18,620 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:03:18,621 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:03:18,621 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:03:18,622 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:03:18,622 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:03:18,623 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:03:18,623 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:03:18,624 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:03:18,624 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:03:18,625 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:03:18,625 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:03:18,626 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:03:18,627 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:03:18,627 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:03:18,628 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:03:18,628 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:03:18,629 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:03:18,629 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:03:18,629 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:03:18,630 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:03:18,630 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:03:18,631 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:03:18,631 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:03:18,631 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:03:18,632 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:03:18,632 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:03:18,632 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3907eceb58207af01ccb0a3dcf6b9532cbf30a6d8bb001cb81ed489179d9351c [2023-12-03 00:03:18,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:03:18,940 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:03:18,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:03:18,943 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:03:18,943 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:03:18,945 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness_negated.i [2023-12-03 00:03:21,722 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:03:22,141 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:03:22,142 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness_negated.i [2023-12-03 00:03:22,181 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/data/95a7d694a/cb4d204456f4415c80218eb60ffe90fe/FLAGde2ee2806 [2023-12-03 00:03:22,195 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/data/95a7d694a/cb4d204456f4415c80218eb60ffe90fe [2023-12-03 00:03:22,198 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:03:22,199 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:03:22,200 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:03:22,201 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:03:22,205 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:03:22,206 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:03:22" (1/1) ... [2023-12-03 00:03:22,207 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f141145 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:03:22, skipping insertion in model container [2023-12-03 00:03:22,207 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:03:22" (1/1) ... [2023-12-03 00:03:22,309 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:03:22,545 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_3fa90ce0-2124-485a-ab94-36e0c7446092/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness_negated.i[4494,4507] [2023-12-03 00:03:22,552 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_3fa90ce0-2124-485a-ab94-36e0c7446092/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness_negated.i[4554,4567] [2023-12-03 00:03:23,143 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:03:23,144 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:03:23,144 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:03:23,145 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:03:23,147 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:03:23,161 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:03:23,162 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:03:23,164 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:03:23,164 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:03:23,166 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:03:23,167 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:03:23,168 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:03:23,168 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:03:23,439 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-12-03 00:03:23,441 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-12-03 00:03:23,442 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-12-03 00:03:23,443 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-12-03 00:03:23,445 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-12-03 00:03:23,446 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-12-03 00:03:23,446 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-12-03 00:03:23,447 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-12-03 00:03:23,448 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-12-03 00:03:23,448 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-12-03 00:03:23,672 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:03:23,706 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 00:03:23,737 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:03:23,741 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_3fa90ce0-2124-485a-ab94-36e0c7446092/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness_negated.i[4494,4507] [2023-12-03 00:03:23,741 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_3fa90ce0-2124-485a-ab94-36e0c7446092/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness_negated.i[4554,4567] [2023-12-03 00:03:23,776 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:03:23,777 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:03:23,777 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:03:23,778 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:03:23,778 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:03:23,786 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:03:23,786 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:03:23,787 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:03:23,788 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:03:23,789 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:03:23,790 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:03:23,790 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:03:23,791 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:03:23,842 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-12-03 00:03:23,843 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-12-03 00:03:23,844 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-12-03 00:03:23,844 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-12-03 00:03:23,845 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-12-03 00:03:23,845 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-12-03 00:03:23,846 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-12-03 00:03:23,846 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-12-03 00:03:23,846 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-12-03 00:03:23,847 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-12-03 00:03:23,894 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:03:23,909 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:03:23,919 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_3fa90ce0-2124-485a-ab94-36e0c7446092/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness_negated.i[4494,4507] [2023-12-03 00:03:23,920 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_3fa90ce0-2124-485a-ab94-36e0c7446092/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness_negated.i[4554,4567] [2023-12-03 00:03:23,949 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:03:23,949 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:03:23,949 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:03:23,949 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:03:23,950 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:03:23,955 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:03:23,955 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:03:23,956 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:03:23,956 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:03:23,957 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:03:23,958 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:03:23,958 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:03:23,959 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 00:03:24,021 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-12-03 00:03:24,022 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-12-03 00:03:24,022 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-12-03 00:03:24,023 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-12-03 00:03:24,024 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-12-03 00:03:24,024 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-12-03 00:03:24,024 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-12-03 00:03:24,024 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-12-03 00:03:24,025 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-12-03 00:03:24,025 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-12-03 00:03:24,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7559-7570] [2023-12-03 00:03:24,063 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:03:24,297 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:03:24,297 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:03:24,297 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:03:24,297 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:03:24,298 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:03:24,298 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:03:24,298 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:03:24,298 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:03:24,298 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:03:24,298 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:03:24,299 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:03:24,299 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:03:24,299 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:03:24,299 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:03:24,299 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:03:24,299 WARN L675 CHandler]: The function aws_array_list_ensure_capacity is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:03:24,307 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:03:24,308 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:03:24 WrapperNode [2023-12-03 00:03:24,308 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:03:24,309 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:03:24,309 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:03:24,309 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:03:24,314 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:03:24" (1/1) ... [2023-12-03 00:03:24,390 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:03:24" (1/1) ... [2023-12-03 00:03:24,453 INFO L138 Inliner]: procedures = 708, calls = 1518, calls flagged for inlining = 48, calls inlined = 7, statements flattened = 571 [2023-12-03 00:03:24,454 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:03:24,455 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:03:24,455 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:03:24,455 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:03:24,464 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:03:24" (1/1) ... [2023-12-03 00:03:24,465 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:03:24" (1/1) ... [2023-12-03 00:03:24,472 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:03:24" (1/1) ... [2023-12-03 00:03:24,473 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:03:24" (1/1) ... [2023-12-03 00:03:24,506 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:03:24" (1/1) ... [2023-12-03 00:03:24,510 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:03:24" (1/1) ... [2023-12-03 00:03:24,519 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:03:24" (1/1) ... [2023-12-03 00:03:24,524 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:03:24" (1/1) ... [2023-12-03 00:03:24,534 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:03:24,535 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:03:24,535 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:03:24,535 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:03:24,536 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:03:24" (1/1) ... [2023-12-03 00:03:24,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:03:24,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:03:24,572 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:03:24,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:03:24,611 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_load_n [2023-12-03 00:03:24,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:03:24,611 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-12-03 00:03:24,611 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-12-03 00:03:24,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 00:03:24,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-03 00:03:24,612 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2023-12-03 00:03:24,612 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2023-12-03 00:03:24,612 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2023-12-03 00:03:24,612 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2023-12-03 00:03:24,612 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_init_ptr [2023-12-03 00:03:24,612 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_init_ptr [2023-12-03 00:03:24,612 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2023-12-03 00:03:24,612 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2023-12-03 00:03:24,613 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 00:03:24,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 00:03:24,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 00:03:24,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:03:24,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 00:03:24,613 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2023-12-03 00:03:24,613 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2023-12-03 00:03:24,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:03:24,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:03:24,614 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-12-03 00:03:24,614 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-12-03 00:03:24,614 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2023-12-03 00:03:24,614 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2023-12-03 00:03:24,614 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2023-12-03 00:03:24,615 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2023-12-03 00:03:24,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 00:03:24,615 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 00:03:24,615 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 00:03:24,615 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 00:03:24,615 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2023-12-03 00:03:24,615 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2023-12-03 00:03:24,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:03:24,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 00:03:24,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-03 00:03:24,616 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2023-12-03 00:03:24,616 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2023-12-03 00:03:24,616 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-12-03 00:03:24,616 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-12-03 00:03:24,617 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2023-12-03 00:03:24,617 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2023-12-03 00:03:24,851 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:03:24,854 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:03:25,921 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:03:26,188 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:03:26,189 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 00:03:26,190 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:03:26 BoogieIcfgContainer [2023-12-03 00:03:26,190 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:03:26,191 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:03:26,192 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:03:26,201 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:03:26,202 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:03:26" (1/1) ... [2023-12-03 00:03:26,211 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:03:26,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:03:26,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 110 states and 137 transitions. [2023-12-03 00:03:26,271 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 137 transitions. [2023-12-03 00:03:26,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 00:03:26,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:03:26,279 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:03:26,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:03:26,303 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:03:26,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 00:03:26,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:03:26,789 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:03:27,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:03:27,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 1178 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:03:27,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:03:27,648 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 00:03:27,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 00:03:28,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:03:28,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 110 states and 134 transitions. [2023-12-03 00:03:28,331 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 134 transitions. [2023-12-03 00:03:28,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 00:03:28,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:03:28,335 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:03:28,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:03:28,336 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:03:28,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 00:03:28,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:03:28,875 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:03:29,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:03:29,501 INFO L262 TraceCheckSpWp]: Trace formula consists of 1195 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:03:29,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:03:29,576 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-12-03 00:03:29,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 00:03:29,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:03:29,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 112 states and 136 transitions. [2023-12-03 00:03:29,672 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 136 transitions. [2023-12-03 00:03:29,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-03 00:03:29,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:03:29,674 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:03:29,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:03:29,675 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:03:29,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 00:03:30,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:03:30,082 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:03:30,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:03:30,711 INFO L262 TraceCheckSpWp]: Trace formula consists of 1261 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 00:03:30,714 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:03:30,882 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-03 00:03:30,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 00:03:31,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:03:31,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 108 states and 131 transitions. [2023-12-03 00:03:31,160 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 131 transitions. [2023-12-03 00:03:31,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-12-03 00:03:31,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:03:31,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:03:31,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:03:31,164 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:03:31,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 00:03:31,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:03:31,598 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:03:32,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:03:32,198 INFO L262 TraceCheckSpWp]: Trace formula consists of 1335 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 00:03:32,203 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:03:32,426 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-03 00:03:32,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 00:03:32,431 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 00:03:33,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:03:33,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 110 states and 135 transitions. [2023-12-03 00:03:33,205 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 135 transitions. [2023-12-03 00:03:33,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-12-03 00:03:33,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:03:33,208 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:03:33,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:03:33,209 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:03:33,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 00:03:33,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:03:33,634 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:03:34,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:03:34,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 1339 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 00:03:34,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:03:34,636 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-03 00:03:34,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-12-03 00:03:36,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:03:36,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 112 states and 137 transitions. [2023-12-03 00:03:36,271 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 137 transitions. [2023-12-03 00:03:36,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-12-03 00:03:36,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:03:36,273 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:03:36,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:03:36,275 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:03:36,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 00:03:36,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:03:36,675 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:03:37,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:03:37,259 INFO L262 TraceCheckSpWp]: Trace formula consists of 1343 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 00:03:37,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:03:37,608 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-03 00:03:37,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 00:03:39,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:03:39,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 114 states and 137 transitions. [2023-12-03 00:03:39,216 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 137 transitions. [2023-12-03 00:03:39,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-12-03 00:03:39,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:03:39,218 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:03:39,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:03:39,219 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:03:39,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 00:03:39,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:03:39,619 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:03:40,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:03:40,231 INFO L262 TraceCheckSpWp]: Trace formula consists of 1347 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 00:03:40,234 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:03:40,592 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-03 00:03:40,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 00:03:42,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:03:42,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 116 states and 135 transitions. [2023-12-03 00:03:42,353 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 135 transitions. [2023-12-03 00:03:42,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-12-03 00:03:42,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:03:42,355 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:03:42,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:03:42,357 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:03:42,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 00:03:42,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:03:42,789 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:03:43,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:03:43,361 INFO L262 TraceCheckSpWp]: Trace formula consists of 1351 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 00:03:43,365 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:03:44,196 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-12-03 00:03:44,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 00:03:45,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:03:45,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 120 states and 139 transitions. [2023-12-03 00:03:45,131 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 139 transitions. [2023-12-03 00:03:45,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-03 00:03:45,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:03:45,133 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:03:45,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:03:45,135 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:03:45,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 00:03:45,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:03:45,538 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:03:46,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:03:46,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 1360 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 00:03:46,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:03:47,011 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-12-03 00:03:47,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2023-12-03 00:03:47,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:03:47,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 124 states and 142 transitions. [2023-12-03 00:03:47,930 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 142 transitions. [2023-12-03 00:03:47,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-03 00:03:47,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:03:47,932 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:03:47,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:03:47,933 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:03:47,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 00:03:48,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:03:48,384 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:03:48,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:03:49,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 1373 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:03:49,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:03:49,577 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-03 00:03:49,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 00:03:50,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:03:50,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 126 states and 145 transitions. [2023-12-03 00:03:50,220 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 145 transitions. [2023-12-03 00:03:50,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-03 00:03:50,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:03:50,221 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:03:50,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:03:50,222 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:03:50,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 00:03:52,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:03:52,336 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:03:53,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:03:53,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 1384 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:03:53,105 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:03:53,652 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 26 proven. 1 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-03 00:03:53,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 00:03:55,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:03:55,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 128 states and 149 transitions. [2023-12-03 00:03:55,371 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 149 transitions. [2023-12-03 00:03:55,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-03 00:03:55,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:03:55,372 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:03:55,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:03:55,373 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:03:55,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 00:03:57,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:03:57,873 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:03:58,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:03:58,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 1395 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 00:03:58,713 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:03:59,446 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-03 00:03:59,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 00:04:01,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:04:01,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 130 states and 152 transitions. [2023-12-03 00:04:01,311 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 152 transitions. [2023-12-03 00:04:01,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-12-03 00:04:01,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:04:01,313 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:04:01,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:04:01,314 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:04:01,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 00:04:03,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:04:03,662 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:04:04,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:04:04,455 INFO L262 TraceCheckSpWp]: Trace formula consists of 1406 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 00:04:04,458 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:04:05,506 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 26 proven. 6 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-03 00:04:05,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 00:04:07,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:04:07,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 132 states and 155 transitions. [2023-12-03 00:04:07,931 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 155 transitions. [2023-12-03 00:04:07,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-03 00:04:07,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:04:07,932 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:04:07,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:04:07,933 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:04:07,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 00:04:10,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:04:10,256 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:04:10,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:04:11,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 1417 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 00:04:11,030 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:04:12,179 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 26 proven. 10 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-03 00:04:12,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2023-12-03 00:04:14,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:04:14,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 134 states and 158 transitions. [2023-12-03 00:04:14,713 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 158 transitions. [2023-12-03 00:04:14,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-12-03 00:04:14,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:04:14,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:04:14,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:04:14,715 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:04:14,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 00:04:17,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:04:17,053 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:04:17,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:04:17,848 INFO L262 TraceCheckSpWp]: Trace formula consists of 1428 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 00:04:17,851 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:04:19,124 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 26 proven. 15 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-03 00:04:19,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 00:04:21,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:04:21,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 136 states and 161 transitions. [2023-12-03 00:04:21,983 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 161 transitions. [2023-12-03 00:04:21,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-03 00:04:21,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:04:21,985 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:04:21,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:04:21,986 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:04:21,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 00:04:24,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:04:24,256 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:04:24,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:04:25,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 1439 conjuncts, 90 conjunts are in the unsatisfiable core [2023-12-03 00:04:25,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:04:36,389 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 00:04:37,023 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:04:38,331 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:04:38,391 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:04:38,421 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:04:56,110 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-12-03 00:04:56,121 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2023-12-03 00:08:51,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:08:55,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:55,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 177 states and 238 transitions. [2023-12-03 00:08:55,017 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 238 transitions. [2023-12-03 00:08:55,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-03 00:08:55,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:55,019 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:08:55,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:08:55,021 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:08:55,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 00:08:57,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:57,302 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:08:58,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:58,200 INFO L262 TraceCheckSpWp]: Trace formula consists of 1439 conjuncts, 90 conjunts are in the unsatisfiable core [2023-12-03 00:08:58,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:08:58,921 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 00:08:58,936 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:08:58,985 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:08:59,038 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:08:59,067 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:09:04,508 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-12-03 00:09:04,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 00:09:06,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:06,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 177 states and 238 transitions. [2023-12-03 00:09:06,128 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 238 transitions. [2023-12-03 00:09:06,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-03 00:09:06,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:06,130 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:06,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:06,131 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:06,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 00:09:08,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:08,362 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:09,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:09,160 INFO L262 TraceCheckSpWp]: Trace formula consists of 1439 conjuncts, 90 conjunts are in the unsatisfiable core [2023-12-03 00:09:09,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:09,785 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 00:09:09,806 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:09:09,856 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:09:09,912 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:09:09,930 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:09:12,967 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-12-03 00:09:12,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2023-12-03 00:09:13,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:13,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 177 states and 238 transitions. [2023-12-03 00:09:13,052 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 238 transitions. [2023-12-03 00:09:13,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-03 00:09:13,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:13,053 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:13,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:13,054 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:13,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 00:09:15,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:15,345 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:16,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:16,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 1439 conjuncts, 90 conjunts are in the unsatisfiable core [2023-12-03 00:09:16,133 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:16,863 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 00:09:16,892 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:09:16,938 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:09:16,994 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:09:17,019 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:09:20,129 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-12-03 00:09:20,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 00:09:20,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:20,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 177 states and 238 transitions. [2023-12-03 00:09:20,226 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 238 transitions. [2023-12-03 00:09:20,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-03 00:09:20,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:20,227 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:20,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:20,228 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:20,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 00:09:22,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:22,581 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:23,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:23,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 1439 conjuncts, 90 conjunts are in the unsatisfiable core [2023-12-03 00:09:23,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:24,073 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 00:09:24,097 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:09:24,145 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:09:24,204 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:09:24,235 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:09:27,419 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-12-03 00:09:27,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 00:09:27,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:27,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 177 states and 238 transitions. [2023-12-03 00:09:27,497 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 238 transitions. [2023-12-03 00:09:27,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-03 00:09:27,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:27,498 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:27,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:27,499 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:27,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 00:09:29,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:29,867 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:30,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:30,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 1439 conjuncts, 90 conjunts are in the unsatisfiable core [2023-12-03 00:09:30,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:31,412 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 00:09:31,435 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:09:31,480 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:09:31,541 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:09:31,571 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:09:34,608 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-12-03 00:09:34,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 00:09:34,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:34,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 177 states and 238 transitions. [2023-12-03 00:09:34,700 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 238 transitions. [2023-12-03 00:09:34,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-03 00:09:34,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:34,701 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:34,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:34,702 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:34,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 00:09:37,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:37,011 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:37,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:37,817 INFO L262 TraceCheckSpWp]: Trace formula consists of 1439 conjuncts, 90 conjunts are in the unsatisfiable core [2023-12-03 00:09:37,825 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:38,546 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 00:09:38,569 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:09:38,616 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:09:38,680 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:09:38,703 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:09:44,152 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-12-03 00:09:44,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 00:09:44,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:44,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 177 states and 238 transitions. [2023-12-03 00:09:44,239 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 238 transitions. [2023-12-03 00:09:44,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-03 00:09:44,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:44,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:44,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:44,241 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:44,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 00:09:46,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:46,573 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:47,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:47,368 INFO L262 TraceCheckSpWp]: Trace formula consists of 1439 conjuncts, 90 conjunts are in the unsatisfiable core [2023-12-03 00:09:47,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:48,104 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 00:09:48,129 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:09:48,177 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:09:48,240 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:09:48,270 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:09:53,741 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-12-03 00:09:53,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 00:09:53,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:53,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 177 states and 238 transitions. [2023-12-03 00:09:53,850 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 238 transitions. [2023-12-03 00:09:53,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-03 00:09:53,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:53,852 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:53,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:53,852 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:53,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 00:09:56,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:56,125 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:56,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:56,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 1439 conjuncts, 90 conjunts are in the unsatisfiable core [2023-12-03 00:09:56,930 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:57,625 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 00:09:57,653 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:09:57,698 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:09:57,751 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:09:57,774 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:10:00,873 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-12-03 00:10:00,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 00:10:00,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:00,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 177 states and 238 transitions. [2023-12-03 00:10:00,968 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 238 transitions. [2023-12-03 00:10:00,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-03 00:10:00,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:00,969 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:10:00,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:10:00,970 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:10:00,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 00:10:03,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:03,324 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:10:04,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:04,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 1439 conjuncts, 90 conjunts are in the unsatisfiable core [2023-12-03 00:10:04,136 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:10:04,833 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 00:10:04,843 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:10:04,888 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:10:04,952 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:10:04,968 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:10:08,133 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-12-03 00:10:08,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 00:10:08,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:08,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 177 states and 238 transitions. [2023-12-03 00:10:08,227 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 238 transitions. [2023-12-03 00:10:08,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-03 00:10:08,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:08,228 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:10:08,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:10:08,229 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:10:08,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 00:10:10,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:10,624 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:10:11,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:11,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 1439 conjuncts, 90 conjunts are in the unsatisfiable core [2023-12-03 00:10:11,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:10:12,115 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 00:10:12,125 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:10:12,173 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:10:12,237 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:10:12,266 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:10:17,700 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-12-03 00:10:17,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 00:10:17,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:17,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 177 states and 238 transitions. [2023-12-03 00:10:17,797 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 238 transitions. [2023-12-03 00:10:17,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-03 00:10:17,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:17,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:10:17,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:10:17,799 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:10:17,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 00:10:20,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:20,119 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:10:20,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:20,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 1439 conjuncts, 90 conjunts are in the unsatisfiable core [2023-12-03 00:10:20,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:10:21,604 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 00:10:21,629 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:10:21,676 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:10:21,750 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:10:21,775 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:10:24,873 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-12-03 00:10:24,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 00:10:24,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:24,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 177 states and 238 transitions. [2023-12-03 00:10:24,956 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 238 transitions. [2023-12-03 00:10:24,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-03 00:10:24,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:24,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:10:24,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:10:24,957 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:10:24,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 00:10:27,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:27,370 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:10:28,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:28,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 1439 conjuncts, 90 conjunts are in the unsatisfiable core [2023-12-03 00:10:28,234 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:10:28,910 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 00:10:28,932 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:10:28,974 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:10:29,029 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:10:29,051 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:10:34,462 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-12-03 00:10:34,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 00:10:34,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:34,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 177 states and 238 transitions. [2023-12-03 00:10:34,549 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 238 transitions. [2023-12-03 00:10:34,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-03 00:10:34,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:34,550 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:10:34,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:10:34,551 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:10:34,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 00:10:36,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:36,928 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:10:37,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:37,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 1439 conjuncts, 90 conjunts are in the unsatisfiable core [2023-12-03 00:10:37,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:10:38,555 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 00:10:38,565 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:10:38,610 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:10:38,671 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:10:38,695 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:10:44,051 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-12-03 00:10:44,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 00:10:44,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:44,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 177 states and 238 transitions. [2023-12-03 00:10:44,142 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 238 transitions. [2023-12-03 00:10:44,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-03 00:10:44,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:44,143 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:10:44,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:10:44,144 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:10:44,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 00:10:46,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:46,501 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:10:47,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:47,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 1439 conjuncts, 90 conjunts are in the unsatisfiable core [2023-12-03 00:10:47,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:10:48,005 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 00:10:48,029 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:10:48,074 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:10:48,139 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:10:48,156 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:10:53,755 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-12-03 00:10:53,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 00:10:53,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:53,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 177 states and 238 transitions. [2023-12-03 00:10:53,846 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 238 transitions. [2023-12-03 00:10:53,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-03 00:10:53,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:53,847 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:10:53,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:10:53,848 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:10:53,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 00:10:56,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:56,367 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:10:57,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:57,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 1439 conjuncts, 90 conjunts are in the unsatisfiable core [2023-12-03 00:10:57,187 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:10:57,870 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 00:10:57,892 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:10:57,936 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:10:57,994 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:10:58,016 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:11:01,099 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-12-03 00:11:01,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 00:11:01,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:11:01,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 177 states and 238 transitions. [2023-12-03 00:11:01,173 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 238 transitions. [2023-12-03 00:11:01,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-03 00:11:01,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:11:01,173 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:11:01,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:11:01,174 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:11:01,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 00:11:03,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:03,565 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:11:04,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:04,362 INFO L262 TraceCheckSpWp]: Trace formula consists of 1439 conjuncts, 90 conjunts are in the unsatisfiable core [2023-12-03 00:11:04,369 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:11:05,103 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 00:11:05,120 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:11:05,171 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:11:05,226 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:11:05,257 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:11:10,686 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-12-03 00:11:10,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Forceful destruction successful, exit code 0 [2023-12-03 00:11:10,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:11:10,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 177 states and 238 transitions. [2023-12-03 00:11:10,775 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 238 transitions. [2023-12-03 00:11:10,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-03 00:11:10,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:11:10,775 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:11:10,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:11:10,776 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:11:10,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 00:11:13,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:13,215 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:11:13,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:14,028 INFO L262 TraceCheckSpWp]: Trace formula consists of 1439 conjuncts, 90 conjunts are in the unsatisfiable core [2023-12-03 00:11:14,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:11:14,740 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 00:11:14,755 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:11:14,793 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:11:14,858 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:11:14,876 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:11:20,441 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-12-03 00:11:20,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 00:11:20,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:11:20,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 177 states and 238 transitions. [2023-12-03 00:11:20,513 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 238 transitions. [2023-12-03 00:11:20,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-03 00:11:20,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:11:20,514 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:11:20,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:11:20,515 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:11:20,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 00:11:23,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:23,002 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:11:23,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:23,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 1439 conjuncts, 90 conjunts are in the unsatisfiable core [2023-12-03 00:11:23,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:11:24,525 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 00:11:24,535 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:11:24,579 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:11:24,652 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:11:24,675 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:11:27,773 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-12-03 00:11:27,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 00:11:27,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:11:27,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 177 states and 238 transitions. [2023-12-03 00:11:27,861 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 238 transitions. [2023-12-03 00:11:27,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-03 00:11:27,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:11:27,862 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:11:27,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:11:27,862 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:11:27,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 00:11:30,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:30,313 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:11:30,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:31,108 INFO L262 TraceCheckSpWp]: Trace formula consists of 1439 conjuncts, 90 conjunts are in the unsatisfiable core [2023-12-03 00:11:31,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:11:31,800 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 00:11:31,828 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:11:31,870 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:11:31,925 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:11:31,948 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:11:35,094 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-12-03 00:11:35,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 00:11:35,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:11:35,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 177 states and 238 transitions. [2023-12-03 00:11:35,186 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 238 transitions. [2023-12-03 00:11:35,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-03 00:11:35,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:11:35,187 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:11:35,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:11:35,188 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:11:35,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 00:11:37,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:37,722 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:11:38,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:38,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 1439 conjuncts, 90 conjunts are in the unsatisfiable core [2023-12-03 00:11:38,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:11:39,286 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 00:11:39,302 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:11:39,340 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:11:39,398 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:11:39,428 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:11:42,498 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-12-03 00:11:42,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 00:11:42,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:11:42,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 177 states and 238 transitions. [2023-12-03 00:11:42,583 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 238 transitions. [2023-12-03 00:11:42,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-03 00:11:42,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:11:42,584 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:11:42,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:11:42,584 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:11:42,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 00:11:45,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:45,043 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:11:45,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:45,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 1439 conjuncts, 90 conjunts are in the unsatisfiable core [2023-12-03 00:11:45,850 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:11:46,581 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 00:11:46,605 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:11:46,659 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:11:46,715 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:11:46,746 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:11:52,224 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-12-03 00:11:52,239 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2023-12-03 00:11:52,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:11:52,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 177 states and 238 transitions. [2023-12-03 00:11:52,315 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 238 transitions. [2023-12-03 00:11:52,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-03 00:11:52,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:11:52,316 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:11:52,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:11:52,317 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:11:52,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 00:11:54,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:54,805 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:11:55,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:55,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 1439 conjuncts, 90 conjunts are in the unsatisfiable core [2023-12-03 00:11:55,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:11:56,323 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 00:11:56,332 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:11:56,374 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:11:56,430 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:11:56,453 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:12:01,865 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-12-03 00:12:01,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 00:12:01,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:12:01,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 177 states and 238 transitions. [2023-12-03 00:12:01,941 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 238 transitions. [2023-12-03 00:12:01,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-03 00:12:01,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:12:01,942 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:12:01,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:12:01,943 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:12:01,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 00:12:04,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:04,461 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:12:05,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:05,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 1439 conjuncts, 90 conjunts are in the unsatisfiable core [2023-12-03 00:12:05,254 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:12:05,935 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 00:12:05,965 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:12:06,005 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:12:06,066 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:12:06,096 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:12:11,505 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-12-03 00:12:11,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Forceful destruction successful, exit code 0 [2023-12-03 00:12:11,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:12:11,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 177 states and 238 transitions. [2023-12-03 00:12:11,594 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 238 transitions. [2023-12-03 00:12:11,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-03 00:12:11,594 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:12:11,595 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:12:11,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:12:11,595 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:12:11,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 00:12:14,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:14,145 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:12:14,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:14,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 1439 conjuncts, 90 conjunts are in the unsatisfiable core [2023-12-03 00:12:14,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:12:15,671 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 00:12:15,686 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:12:15,729 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:12:15,780 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:12:15,804 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:12:19,036 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-12-03 00:12:19,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 00:12:19,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:12:19,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 177 states and 238 transitions. [2023-12-03 00:12:19,120 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 238 transitions. [2023-12-03 00:12:19,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-03 00:12:19,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:12:19,121 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:12:19,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:12:19,122 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:12:19,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 00:12:21,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:21,666 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:12:22,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:22,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 1439 conjuncts, 90 conjunts are in the unsatisfiable core [2023-12-03 00:12:22,471 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:12:23,208 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 00:12:23,229 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:12:23,277 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:12:23,335 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:12:23,358 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:12:26,451 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-12-03 00:12:26,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 00:12:26,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:12:26,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 177 states and 238 transitions. [2023-12-03 00:12:26,542 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 238 transitions. [2023-12-03 00:12:26,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-03 00:12:26,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:12:26,543 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:12:26,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:12:26,543 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:12:26,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 00:12:29,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:29,101 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:12:29,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:29,883 INFO L262 TraceCheckSpWp]: Trace formula consists of 1439 conjuncts, 90 conjunts are in the unsatisfiable core [2023-12-03 00:12:29,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:12:30,569 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 00:12:30,595 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:12:30,642 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:12:30,702 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:12:30,725 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:12:33,842 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-12-03 00:12:33,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 00:12:33,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:12:33,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 177 states and 238 transitions. [2023-12-03 00:12:33,933 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 238 transitions. [2023-12-03 00:12:33,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-03 00:12:33,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:12:33,934 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:12:33,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:12:33,935 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:12:33,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 00:12:36,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:36,458 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:12:37,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:37,281 INFO L262 TraceCheckSpWp]: Trace formula consists of 1439 conjuncts, 90 conjunts are in the unsatisfiable core [2023-12-03 00:12:37,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:12:37,985 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 00:12:37,994 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:12:38,039 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:12:38,099 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:12:38,128 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:12:41,176 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-12-03 00:12:41,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 00:12:41,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:12:41,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 177 states and 238 transitions. [2023-12-03 00:12:41,270 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 238 transitions. [2023-12-03 00:12:41,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-03 00:12:41,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:12:41,270 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:12:41,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:12:41,271 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:12:41,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 00:12:43,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:43,741 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:12:44,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:44,545 INFO L262 TraceCheckSpWp]: Trace formula consists of 1439 conjuncts, 90 conjunts are in the unsatisfiable core [2023-12-03 00:12:44,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:12:45,243 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 00:12:45,266 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:12:45,313 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:12:45,371 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:12:45,393 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:12:50,967 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-12-03 00:12:50,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 00:12:51,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:12:51,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 177 states and 238 transitions. [2023-12-03 00:12:51,071 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 238 transitions. [2023-12-03 00:12:51,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-03 00:12:51,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:12:51,072 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:12:51,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:12:51,073 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:12:51,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 00:12:53,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:53,671 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:12:54,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:54,467 INFO L262 TraceCheckSpWp]: Trace formula consists of 1439 conjuncts, 90 conjunts are in the unsatisfiable core [2023-12-03 00:12:54,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:12:55,205 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 00:12:55,215 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:12:55,261 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:12:55,328 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:12:55,345 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:13:00,796 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-12-03 00:13:00,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 00:13:00,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:13:00,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 177 states and 238 transitions. [2023-12-03 00:13:00,891 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 238 transitions. [2023-12-03 00:13:00,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-03 00:13:00,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:13:00,892 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:13:00,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:13:00,893 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:13:00,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 00:13:03,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:03,479 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:13:04,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:04,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 1439 conjuncts, 90 conjunts are in the unsatisfiable core [2023-12-03 00:13:04,303 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:13:05,012 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 00:13:05,027 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:13:05,074 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:13:05,121 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:13:05,142 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:13:08,182 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-12-03 00:13:08,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 00:13:08,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:13:08,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 177 states and 238 transitions. [2023-12-03 00:13:08,281 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 238 transitions. [2023-12-03 00:13:08,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-03 00:13:08,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:13:08,282 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:13:08,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:13:08,282 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:13:08,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 00:13:10,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:10,777 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:13:11,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:11,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 1439 conjuncts, 90 conjunts are in the unsatisfiable core [2023-12-03 00:13:11,613 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:13:12,341 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 00:13:12,368 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:13:12,424 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:13:12,479 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:13:12,503 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:13:15,529 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-12-03 00:13:15,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 00:13:15,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:13:15,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 177 states and 238 transitions. [2023-12-03 00:13:15,627 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 238 transitions. [2023-12-03 00:13:15,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-03 00:13:15,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:13:15,628 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:13:15,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:13:15,629 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:13:15,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 00:13:18,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:18,243 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:13:18,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:19,068 INFO L262 TraceCheckSpWp]: Trace formula consists of 1439 conjuncts, 90 conjunts are in the unsatisfiable core [2023-12-03 00:13:19,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:13:19,811 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 00:13:19,821 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:13:19,871 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:13:19,928 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:13:19,945 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:13:25,353 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-12-03 00:13:25,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-03 00:13:25,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:13:25,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 177 states and 238 transitions. [2023-12-03 00:13:25,453 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 238 transitions. [2023-12-03 00:13:25,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-03 00:13:25,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:13:25,453 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:13:25,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:13:25,454 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:13:25,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 00:13:28,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:28,083 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:13:28,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:28,900 INFO L262 TraceCheckSpWp]: Trace formula consists of 1439 conjuncts, 90 conjunts are in the unsatisfiable core [2023-12-03 00:13:28,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:13:29,605 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 00:13:29,620 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:13:29,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:13:29,712 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:13:29,741 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:13:35,219 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-12-03 00:13:35,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Forceful destruction successful, exit code 0 [2023-12-03 00:13:35,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:13:35,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 177 states and 238 transitions. [2023-12-03 00:13:35,313 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 238 transitions. [2023-12-03 00:13:35,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-03 00:13:35,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:13:35,314 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:13:35,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:13:35,315 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:13:35,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 00:13:37,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:37,993 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:13:38,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:38,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 1439 conjuncts, 90 conjunts are in the unsatisfiable core [2023-12-03 00:13:38,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:13:39,546 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 00:13:39,570 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:13:39,623 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:13:39,676 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:13:39,706 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:13:45,233 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-12-03 00:13:45,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-03 00:13:45,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:13:45,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 177 states and 238 transitions. [2023-12-03 00:13:45,312 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 238 transitions. [2023-12-03 00:13:45,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-03 00:13:45,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:13:45,313 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:13:45,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:13:45,314 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:13:45,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 00:13:47,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:47,925 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:13:48,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:48,751 INFO L262 TraceCheckSpWp]: Trace formula consists of 1439 conjuncts, 90 conjunts are in the unsatisfiable core [2023-12-03 00:13:48,757 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:13:49,461 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 00:13:49,484 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:13:49,527 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:13:49,583 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:13:49,606 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:13:55,239 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-12-03 00:13:55,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-03 00:13:55,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:13:55,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 177 states and 238 transitions. [2023-12-03 00:13:55,343 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 238 transitions. [2023-12-03 00:13:55,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-03 00:13:55,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:13:55,343 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:13:55,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:13:55,344 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:13:55,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 00:13:58,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:58,029 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:13:58,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:58,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 1439 conjuncts, 90 conjunts are in the unsatisfiable core [2023-12-03 00:13:58,847 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:13:59,551 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 00:13:59,560 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:13:59,606 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:13:59,667 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:13:59,696 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:14:02,753 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-12-03 00:14:02,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-03 00:14:02,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:14:02,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 177 states and 238 transitions. [2023-12-03 00:14:02,841 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 238 transitions. [2023-12-03 00:14:02,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-03 00:14:02,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:14:02,842 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:14:02,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:14:02,843 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:14:02,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 00:14:05,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:14:05,532 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:14:06,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:14:06,337 INFO L262 TraceCheckSpWp]: Trace formula consists of 1439 conjuncts, 90 conjunts are in the unsatisfiable core [2023-12-03 00:14:06,343 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:14:07,024 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 00:14:07,048 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:14:07,095 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:14:07,156 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:14:07,181 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:14:12,804 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-12-03 00:14:12,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Forceful destruction successful, exit code 0 [2023-12-03 00:14:12,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:14:12,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 177 states and 238 transitions. [2023-12-03 00:14:12,898 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 238 transitions. [2023-12-03 00:14:12,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-03 00:14:12,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:14:12,898 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:14:12,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:14:12,899 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:14:12,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 00:14:15,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:14:15,629 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:14:16,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:14:16,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 1439 conjuncts, 90 conjunts are in the unsatisfiable core [2023-12-03 00:14:16,449 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:14:17,150 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 00:14:17,174 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:14:17,217 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:14:17,271 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:14:17,292 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-03 00:14:20,214 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-12-03 00:14:20,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-03 00:14:20,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:14:20,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 177 states and 238 transitions. [2023-12-03 00:14:20,295 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 238 transitions. [2023-12-03 00:14:20,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-03 00:14:20,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:14:20,296 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:14:20,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:14:20,296 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:14:20,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fa90ce0-2124-485a-ab94-36e0c7446092/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-03 00:14:22,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:14:22,969 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported