./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/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_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/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_f70f588c-b919-476c-b595-a9fe6bf086a7/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 ccc87605c4556c18c172bc882c4bc58637928d3f75ad69e0a339ead8d6093a78 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:06:06,829 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:06:06,892 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-03 02:06:06,896 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:06:06,897 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:06:06,921 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:06:06,922 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:06:06,922 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:06:06,923 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:06:06,924 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:06:06,924 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:06:06,925 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:06:06,925 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:06:06,926 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:06:06,927 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:06:06,927 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:06:06,928 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:06:06,928 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:06:06,929 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:06:06,929 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:06:06,930 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:06:06,931 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:06:06,931 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:06:06,932 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:06:06,932 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:06:06,933 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:06:06,933 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:06:06,933 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:06:06,934 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:06:06,934 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:06:06,935 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_f70f588c-b919-476c-b595-a9fe6bf086a7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ccc87605c4556c18c172bc882c4bc58637928d3f75ad69e0a339ead8d6093a78 [2023-12-03 02:06:07,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:06:07,189 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:06:07,192 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:06:07,194 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:06:07,194 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:06:07,196 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness.i [2023-12-03 02:06:10,131 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:06:10,516 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:06:10,516 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness.i [2023-12-03 02:06:10,549 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/data/b99b81b56/2c7bf07e2c174d85a57bf415f58e626e/FLAGb0e61d8ee [2023-12-03 02:06:10,565 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/data/b99b81b56/2c7bf07e2c174d85a57bf415f58e626e [2023-12-03 02:06:10,568 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:06:10,570 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:06:10,571 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:06:10,571 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:06:10,577 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:06:10,578 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:06:10" (1/1) ... [2023-12-03 02:06:10,579 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17e0452e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:06:10, skipping insertion in model container [2023-12-03 02:06:10,579 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:06:10" (1/1) ... [2023-12-03 02:06:10,687 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:06:10,921 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_f70f588c-b919-476c-b595-a9fe6bf086a7/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness.i[4494,4507] [2023-12-03 02:06:10,927 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_f70f588c-b919-476c-b595-a9fe6bf086a7/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness.i[4554,4567] [2023-12-03 02:06:11,803 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:06:11,804 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:06:11,805 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:06:11,806 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:06:11,808 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:06:11,841 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:06:11,842 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:06:11,844 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:06:11,845 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:06:11,847 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:06:11,848 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:06:11,849 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:06:11,849 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:06:12,187 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-12-03 02:06:12,189 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-12-03 02:06:12,190 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-12-03 02:06:12,191 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-12-03 02:06:12,193 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-12-03 02:06:12,194 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-12-03 02:06:12,195 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-12-03 02:06:12,195 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-12-03 02:06:12,196 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-12-03 02:06:12,197 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-12-03 02:06:12,415 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:06:12,448 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:06:12,461 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_f70f588c-b919-476c-b595-a9fe6bf086a7/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness.i[4494,4507] [2023-12-03 02:06:12,462 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_f70f588c-b919-476c-b595-a9fe6bf086a7/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness.i[4554,4567] [2023-12-03 02:06:12,508 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:06:12,508 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:06:12,509 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:06:12,509 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:06:12,510 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:06:12,519 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:06:12,519 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:06:12,520 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:06:12,521 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:06:12,522 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:06:12,522 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:06:12,523 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:06:12,523 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:06:12,559 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-12-03 02:06:12,560 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-12-03 02:06:12,561 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-12-03 02:06:12,562 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-12-03 02:06:12,563 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-12-03 02:06:12,564 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-12-03 02:06:12,564 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-12-03 02:06:12,565 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-12-03 02:06:12,565 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-12-03 02:06:12,566 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-12-03 02:06:12,606 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7591-7602] [2023-12-03 02:06:12,626 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:06:12,845 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:06:12,845 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:06:12,845 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:06:12,846 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:06:12,846 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:06:12,846 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:06:12,846 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:06:12,846 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:06:12,846 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:06:12,846 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:06:12,847 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:06:12,847 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:06:12,847 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:06:12,847 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:06:12,847 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:06:12,847 WARN L675 CHandler]: The function aws_array_list_ensure_capacity is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:06:12,853 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:06:12,854 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:06:12 WrapperNode [2023-12-03 02:06:12,854 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:06:12,855 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:06:12,855 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:06:12,855 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:06:12,860 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:06:12" (1/1) ... [2023-12-03 02:06:12,927 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:06:12" (1/1) ... [2023-12-03 02:06:12,984 INFO L138 Inliner]: procedures = 688, calls = 1512, calls flagged for inlining = 49, calls inlined = 7, statements flattened = 566 [2023-12-03 02:06:12,984 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:06:12,985 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:06:12,985 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:06:12,985 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:06:12,994 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:06:12" (1/1) ... [2023-12-03 02:06:12,994 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:06:12" (1/1) ... [2023-12-03 02:06:13,001 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:06:12" (1/1) ... [2023-12-03 02:06:13,001 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:06:12" (1/1) ... [2023-12-03 02:06:13,032 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:06:12" (1/1) ... [2023-12-03 02:06:13,037 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:06:12" (1/1) ... [2023-12-03 02:06:13,043 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:06:12" (1/1) ... [2023-12-03 02:06:13,048 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:06:12" (1/1) ... [2023-12-03 02:06:13,057 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:06:13,058 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:06:13,058 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:06:13,059 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:06:13,059 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:06:12" (1/1) ... [2023-12-03 02:06:13,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:06:13,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:06:13,086 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:06:13,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:06:13,122 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_load_n [2023-12-03 02:06:13,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:06:13,122 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-12-03 02:06:13,123 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-12-03 02:06:13,123 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2023-12-03 02:06:13,123 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2023-12-03 02:06:13,123 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2023-12-03 02:06:13,123 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2023-12-03 02:06:13,123 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_init_ptr [2023-12-03 02:06:13,123 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_init_ptr [2023-12-03 02:06:13,124 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2023-12-03 02:06:13,124 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2023-12-03 02:06:13,124 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 02:06:13,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 02:06:13,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 02:06:13,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:06:13,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 02:06:13,125 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2023-12-03 02:06:13,125 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2023-12-03 02:06:13,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:06:13,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:06:13,125 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-12-03 02:06:13,126 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-12-03 02:06:13,126 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2023-12-03 02:06:13,126 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2023-12-03 02:06:13,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 02:06:13,126 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 02:06:13,126 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 02:06:13,126 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 02:06:13,127 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2023-12-03 02:06:13,127 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2023-12-03 02:06:13,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:06:13,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 02:06:13,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-03 02:06:13,127 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2023-12-03 02:06:13,128 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2023-12-03 02:06:13,128 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-12-03 02:06:13,128 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-12-03 02:06:13,128 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2023-12-03 02:06:13,128 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2023-12-03 02:06:13,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:06:13,359 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:06:13,362 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:06:14,043 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:06:14,238 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:06:14,238 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 02:06:14,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:06:14 BoogieIcfgContainer [2023-12-03 02:06:14,240 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:06:14,241 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:06:14,241 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:06:14,251 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:06:14,251 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:06:14" (1/1) ... [2023-12-03 02:06:14,260 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:06:14,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:14,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 106 states and 133 transitions. [2023-12-03 02:06:14,310 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 133 transitions. [2023-12-03 02:06:14,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 02:06:14,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:14,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:06:14,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:14,757 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 02:06:14,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:14,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 106 states and 130 transitions. [2023-12-03 02:06:14,854 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 130 transitions. [2023-12-03 02:06:14,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-03 02:06:14,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:14,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:06:14,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:15,410 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 02:06:15,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:15,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 110 states and 134 transitions. [2023-12-03 02:06:15,531 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 134 transitions. [2023-12-03 02:06:15,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 02:06:15,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:15,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:06:15,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:15,756 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 02:06:15,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:15,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 112 states and 136 transitions. [2023-12-03 02:06:15,811 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 136 transitions. [2023-12-03 02:06:15,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-03 02:06:15,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:15,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:06:15,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:16,285 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 02:06:16,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:16,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 108 states and 131 transitions. [2023-12-03 02:06:16,426 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 131 transitions. [2023-12-03 02:06:16,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-12-03 02:06:16,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:16,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:06:16,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:16,925 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 02:06:17,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:17,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 110 states and 135 transitions. [2023-12-03 02:06:17,140 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 135 transitions. [2023-12-03 02:06:17,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-12-03 02:06:17,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:17,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:06:17,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:17,785 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 02:06:18,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:18,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 112 states and 137 transitions. [2023-12-03 02:06:18,220 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 137 transitions. [2023-12-03 02:06:18,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-12-03 02:06:18,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:18,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:06:18,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:18,606 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 02:06:18,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:18,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 114 states and 137 transitions. [2023-12-03 02:06:18,999 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 137 transitions. [2023-12-03 02:06:19,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-12-03 02:06:19,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:19,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:06:19,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:19,640 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 02:06:20,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:20,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 116 states and 135 transitions. [2023-12-03 02:06:20,110 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 135 transitions. [2023-12-03 02:06:20,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-12-03 02:06:20,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:20,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:06:20,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:21,408 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 02:06:21,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:21,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 120 states and 138 transitions. [2023-12-03 02:06:21,590 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 138 transitions. [2023-12-03 02:06:21,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-03 02:06:21,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:21,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:06:21,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:22,250 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 02:06:22,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:22,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 122 states and 141 transitions. [2023-12-03 02:06:22,384 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 141 transitions. [2023-12-03 02:06:22,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-03 02:06:22,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:22,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:06:22,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:23,092 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 02:06:23,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:23,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 123 states and 143 transitions. [2023-12-03 02:06:23,319 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 143 transitions. [2023-12-03 02:06:23,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-03 02:06:23,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:23,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:06:23,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:24,068 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 02:06:24,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:24,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 124 states and 144 transitions. [2023-12-03 02:06:24,371 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 144 transitions. [2023-12-03 02:06:24,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-03 02:06:24,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:24,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:06:24,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:25,227 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 02:06:25,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:25,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 125 states and 145 transitions. [2023-12-03 02:06:25,522 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 145 transitions. [2023-12-03 02:06:25,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-03 02:06:25,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:25,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:06:25,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:26,309 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 02:06:26,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:26,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 126 states and 146 transitions. [2023-12-03 02:06:26,659 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 146 transitions. [2023-12-03 02:06:26,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-03 02:06:26,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:26,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:06:26,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:27,634 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 02:06:27,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:27,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 127 states and 147 transitions. [2023-12-03 02:06:27,953 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 147 transitions. [2023-12-03 02:06:27,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-03 02:06:27,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:27,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:06:28,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:28,804 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 02:06:29,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:29,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 128 states and 148 transitions. [2023-12-03 02:06:29,162 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 148 transitions. [2023-12-03 02:06:29,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-12-03 02:06:29,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:29,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:06:29,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:30,085 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 02:06:30,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:30,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 129 states and 149 transitions. [2023-12-03 02:06:30,378 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 149 transitions. [2023-12-03 02:06:30,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-03 02:06:30,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:30,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:06:30,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:31,154 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 02:06:31,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:31,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 130 states and 150 transitions. [2023-12-03 02:06:31,438 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 150 transitions. [2023-12-03 02:06:31,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-12-03 02:06:31,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:31,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:06:31,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:32,207 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 02:06:32,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:32,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 131 states and 151 transitions. [2023-12-03 02:06:32,478 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 151 transitions. [2023-12-03 02:06:32,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-03 02:06:32,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:32,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:06:32,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:33,369 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 02:06:33,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:33,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 132 states and 152 transitions. [2023-12-03 02:06:33,706 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 152 transitions. [2023-12-03 02:06:33,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:06:33,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:33,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:06:33,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:34,781 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 02:06:35,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:35,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 133 states and 153 transitions. [2023-12-03 02:06:35,179 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 153 transitions. [2023-12-03 02:06:35,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-12-03 02:06:35,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:35,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:06:35,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:36,177 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 02:06:36,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:36,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 134 states and 154 transitions. [2023-12-03 02:06:36,517 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 154 transitions. [2023-12-03 02:06:36,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-12-03 02:06:36,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:36,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:06:36,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:37,623 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 02:06:37,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:37,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 135 states and 155 transitions. [2023-12-03 02:06:37,927 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 155 transitions. [2023-12-03 02:06:37,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-12-03 02:06:37,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:37,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:06:38,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:38,867 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 02:06:39,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:39,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 136 states and 156 transitions. [2023-12-03 02:06:39,216 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 156 transitions. [2023-12-03 02:06:39,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-12-03 02:06:39,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:39,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:06:39,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:40,364 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 02:06:40,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:40,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 137 states and 157 transitions. [2023-12-03 02:06:40,696 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 157 transitions. [2023-12-03 02:06:40,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-12-03 02:06:40,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:40,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:06:40,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:41,919 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 02:06:42,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:42,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 138 states and 158 transitions. [2023-12-03 02:06:42,267 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 158 transitions. [2023-12-03 02:06:42,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-12-03 02:06:42,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:42,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:06:42,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:43,472 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 02:06:43,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:43,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 139 states and 159 transitions. [2023-12-03 02:06:43,806 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 159 transitions. [2023-12-03 02:06:43,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-03 02:06:43,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:43,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:06:43,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:44,826 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 02:06:45,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:45,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 140 states and 160 transitions. [2023-12-03 02:06:45,186 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 160 transitions. [2023-12-03 02:06:45,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-12-03 02:06:45,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:45,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:06:45,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:46,244 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 02:06:46,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:46,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 141 states and 161 transitions. [2023-12-03 02:06:46,593 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 161 transitions. [2023-12-03 02:06:46,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-12-03 02:06:46,594 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:46,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:06:46,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:47,836 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 02:06:48,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:48,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 142 states and 162 transitions. [2023-12-03 02:06:48,205 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 162 transitions. [2023-12-03 02:06:48,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-12-03 02:06:48,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:48,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:06:48,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:49,390 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 02:06:49,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:49,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 143 states and 163 transitions. [2023-12-03 02:06:49,722 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 163 transitions. [2023-12-03 02:06:49,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-12-03 02:06:49,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:49,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:06:49,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:50,941 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 02:06:51,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:51,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 144 states and 164 transitions. [2023-12-03 02:06:51,332 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 164 transitions. [2023-12-03 02:06:51,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-12-03 02:06:51,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:51,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:06:51,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:52,630 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 02:06:53,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:53,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 145 states and 165 transitions. [2023-12-03 02:06:53,047 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 165 transitions. [2023-12-03 02:06:53,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-12-03 02:06:53,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:53,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:06:53,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:54,348 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 02:06:54,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:54,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 146 states and 166 transitions. [2023-12-03 02:06:54,745 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 166 transitions. [2023-12-03 02:06:54,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-12-03 02:06:54,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:54,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:06:54,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:56,098 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 02:06:56,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:56,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 147 states and 167 transitions. [2023-12-03 02:06:56,503 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 167 transitions. [2023-12-03 02:06:56,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-12-03 02:06:56,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:56,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:06:56,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:57,879 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 02:06:58,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:58,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 148 states and 168 transitions. [2023-12-03 02:06:58,295 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 168 transitions. [2023-12-03 02:06:58,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-12-03 02:06:58,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:58,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:06:58,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:07:00,042 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 02:07:00,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:07:00,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 149 states and 169 transitions. [2023-12-03 02:07:00,445 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 169 transitions. [2023-12-03 02:07:00,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-12-03 02:07:00,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:07:00,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:07:00,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:07:02,243 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 02:07:02,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:07:02,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 150 states and 170 transitions. [2023-12-03 02:07:02,673 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 170 transitions. [2023-12-03 02:07:02,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-12-03 02:07:02,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:07:02,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:07:02,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:07:04,372 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 02:07:04,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:07:04,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 151 states and 171 transitions. [2023-12-03 02:07:04,822 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 171 transitions. [2023-12-03 02:07:04,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-12-03 02:07:04,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:07:04,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:07:04,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:07:06,362 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 02:07:06,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:07:06,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 152 states and 172 transitions. [2023-12-03 02:07:06,780 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 172 transitions. [2023-12-03 02:07:06,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-12-03 02:07:06,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:07:06,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:07:06,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:07:08,454 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 02:07:08,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:07:08,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 153 states and 173 transitions. [2023-12-03 02:07:08,895 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 173 transitions. [2023-12-03 02:07:08,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-12-03 02:07:08,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:07:08,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:07:09,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:07:10,581 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 02:07:11,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:07:11,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 154 states and 174 transitions. [2023-12-03 02:07:11,017 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 174 transitions. [2023-12-03 02:07:11,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-12-03 02:07:11,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:07:11,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:07:11,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:07:12,893 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 02:07:13,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:07:13,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 155 states and 175 transitions. [2023-12-03 02:07:13,357 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 175 transitions. [2023-12-03 02:07:13,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-12-03 02:07:13,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:07:13,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:07:13,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:07:15,339 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 02:07:15,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:07:15,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 156 states and 176 transitions. [2023-12-03 02:07:15,829 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 176 transitions. [2023-12-03 02:07:15,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-12-03 02:07:15,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:07:15,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:07:16,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:07:17,771 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 02:07:18,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:07:18,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 157 states and 177 transitions. [2023-12-03 02:07:18,208 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 177 transitions. [2023-12-03 02:07:18,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-12-03 02:07:18,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:07:18,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:07:18,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:07:20,036 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 02:07:20,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:07:20,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 158 states and 178 transitions. [2023-12-03 02:07:20,484 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 178 transitions. [2023-12-03 02:07:20,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-12-03 02:07:20,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:07:20,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:07:20,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:07:22,391 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 02:07:22,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:07:22,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 159 states and 179 transitions. [2023-12-03 02:07:22,880 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 179 transitions. [2023-12-03 02:07:22,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-12-03 02:07:22,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:07:22,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:07:23,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:07:25,036 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 02:07:25,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:07:25,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 160 states and 180 transitions. [2023-12-03 02:07:25,548 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 180 transitions. [2023-12-03 02:07:25,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-12-03 02:07:25,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:07:25,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:07:25,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:07:32,784 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 02:07:38,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:07:38,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 161 states and 181 transitions. [2023-12-03 02:07:38,700 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 181 transitions. [2023-12-03 02:07:38,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-12-03 02:07:38,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:07:38,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:07:39,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:07:39,837 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:07:40,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:07:51,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 02:07:51,429 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 02:07:51,432 INFO L158 Benchmark]: Toolchain (without parser) took 100861.47ms. Allocated memory was 153.1MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 99.8MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 142.7MB. Max. memory is 16.1GB. [2023-12-03 02:07:51,432 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 102.8MB. Free memory is still 56.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:07:51,433 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2282.95ms. Allocated memory was 153.1MB in the beginning and 199.2MB in the end (delta: 46.1MB). Free memory was 99.4MB in the beginning and 117.2MB in the end (delta: -17.8MB). Peak memory consumption was 70.7MB. Max. memory is 16.1GB. [2023-12-03 02:07:51,433 INFO L158 Benchmark]: Boogie Procedure Inliner took 129.92ms. Allocated memory is still 199.2MB. Free memory was 117.2MB in the beginning and 108.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 02:07:51,434 INFO L158 Benchmark]: Boogie Preprocessor took 72.41ms. Allocated memory is still 199.2MB. Free memory was 108.8MB in the beginning and 103.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 02:07:51,435 INFO L158 Benchmark]: RCFGBuilder took 1181.75ms. Allocated memory is still 199.2MB. Free memory was 103.5MB in the beginning and 134.3MB in the end (delta: -30.7MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-12-03 02:07:51,435 INFO L158 Benchmark]: CodeCheck took 97189.62ms. Allocated memory was 199.2MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 134.3MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 127.9MB. Max. memory is 16.1GB. [2023-12-03 02:07:51,439 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 102.8MB. Free memory is still 56.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2282.95ms. Allocated memory was 153.1MB in the beginning and 199.2MB in the end (delta: 46.1MB). Free memory was 99.4MB in the beginning and 117.2MB in the end (delta: -17.8MB). Peak memory consumption was 70.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 129.92ms. Allocated memory is still 199.2MB. Free memory was 117.2MB in the beginning and 108.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.41ms. Allocated memory is still 199.2MB. Free memory was 108.8MB in the beginning and 103.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1181.75ms. Allocated memory is still 199.2MB. Free memory was 103.5MB in the beginning and 134.3MB in the end (delta: -30.7MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * CodeCheck took 97189.62ms. Allocated memory was 199.2MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 134.3MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 127.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 7591]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7591-7602] RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 02:07:51,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/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_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/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_f70f588c-b919-476c-b595-a9fe6bf086a7/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 ccc87605c4556c18c172bc882c4bc58637928d3f75ad69e0a339ead8d6093a78 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:07:53,412 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:07:53,492 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-03 02:07:53,524 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:07:53,525 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:07:53,526 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:07:53,527 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:07:53,527 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:07:53,528 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:07:53,528 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:07:53,529 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:07:53,530 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:07:53,530 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:07:53,531 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:07:53,531 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 02:07:53,532 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 02:07:53,532 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 02:07:53,533 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:07:53,534 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:07:53,534 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:07:53,535 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:07:53,535 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:07:53,536 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:07:53,536 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 02:07:53,537 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:07:53,537 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:07:53,538 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:07:53,538 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:07:53,539 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:07:53,539 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 02:07:53,539 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:07:53,540 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:07:53,540 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 02:07:53,540 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 02:07:53,541 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_f70f588c-b919-476c-b595-a9fe6bf086a7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ccc87605c4556c18c172bc882c4bc58637928d3f75ad69e0a339ead8d6093a78 [2023-12-03 02:07:53,838 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:07:53,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:07:53,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:07:53,862 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:07:53,862 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:07:53,864 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness.i [2023-12-03 02:07:56,691 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:07:57,100 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:07:57,101 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness.i [2023-12-03 02:07:57,131 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/data/ade425081/8716177a1d764e88b37854b0bd0128f3/FLAG868e66889 [2023-12-03 02:07:57,146 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/data/ade425081/8716177a1d764e88b37854b0bd0128f3 [2023-12-03 02:07:57,149 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:07:57,151 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:07:57,152 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:07:57,152 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:07:57,157 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:07:57,158 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:07:57" (1/1) ... [2023-12-03 02:07:57,159 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49732fd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:57, skipping insertion in model container [2023-12-03 02:07:57,159 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:07:57" (1/1) ... [2023-12-03 02:07:57,327 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:07:57,575 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_f70f588c-b919-476c-b595-a9fe6bf086a7/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness.i[4494,4507] [2023-12-03 02:07:57,582 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_f70f588c-b919-476c-b595-a9fe6bf086a7/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness.i[4554,4567] [2023-12-03 02:07:58,306 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:07:58,307 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:07:58,307 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:07:58,308 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:07:58,310 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:07:58,325 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:07:58,326 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:07:58,328 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:07:58,328 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:07:58,330 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:07:58,331 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:07:58,332 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:07:58,332 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:07:58,588 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-12-03 02:07:58,589 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-12-03 02:07:58,590 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-12-03 02:07:58,590 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-12-03 02:07:58,592 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-12-03 02:07:58,592 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-12-03 02:07:58,593 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-12-03 02:07:58,594 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-12-03 02:07:58,594 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-12-03 02:07:58,595 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-12-03 02:07:58,801 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:07:58,854 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 02:07:58,888 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:07:58,893 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_f70f588c-b919-476c-b595-a9fe6bf086a7/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness.i[4494,4507] [2023-12-03 02:07:58,894 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_f70f588c-b919-476c-b595-a9fe6bf086a7/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness.i[4554,4567] [2023-12-03 02:07:58,932 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:07:58,933 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:07:58,933 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:07:58,934 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:07:58,935 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:07:58,941 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:07:58,942 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:07:58,943 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:07:58,944 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:07:58,945 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:07:58,946 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:07:58,946 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:07:58,947 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:07:58,983 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-12-03 02:07:58,984 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-12-03 02:07:58,985 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-12-03 02:07:58,985 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-12-03 02:07:58,986 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-12-03 02:07:58,987 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-12-03 02:07:58,988 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-12-03 02:07:58,988 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-12-03 02:07:58,989 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-12-03 02:07:58,989 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-12-03 02:07:59,071 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:07:59,086 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:07:59,101 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_f70f588c-b919-476c-b595-a9fe6bf086a7/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness.i[4494,4507] [2023-12-03 02:07:59,101 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_f70f588c-b919-476c-b595-a9fe6bf086a7/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness.i[4554,4567] [2023-12-03 02:07:59,133 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:07:59,133 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:07:59,133 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:07:59,134 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:07:59,135 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:07:59,141 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:07:59,141 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:07:59,142 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:07:59,143 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:07:59,144 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:07:59,144 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:07:59,145 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:07:59,145 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-03 02:07:59,175 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-12-03 02:07:59,176 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-12-03 02:07:59,177 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-12-03 02:07:59,177 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-12-03 02:07:59,178 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-12-03 02:07:59,179 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-12-03 02:07:59,179 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-12-03 02:07:59,180 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-12-03 02:07:59,180 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-12-03 02:07:59,180 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-12-03 02:07:59,215 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7591-7602] [2023-12-03 02:07:59,245 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:07:59,529 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:07:59,529 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:07:59,529 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:07:59,529 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:07:59,530 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:07:59,530 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:07:59,530 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:07:59,530 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:07:59,530 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:07:59,530 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:07:59,531 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:07:59,531 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:07:59,531 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:07:59,531 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:07:59,531 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:07:59,531 WARN L675 CHandler]: The function aws_array_list_ensure_capacity is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:07:59,537 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:07:59,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:59 WrapperNode [2023-12-03 02:07:59,538 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:07:59,539 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:07:59,540 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:07:59,540 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:07:59,547 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:59" (1/1) ... [2023-12-03 02:07:59,622 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:59" (1/1) ... [2023-12-03 02:07:59,683 INFO L138 Inliner]: procedures = 708, calls = 1512, calls flagged for inlining = 49, calls inlined = 7, statements flattened = 564 [2023-12-03 02:07:59,684 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:07:59,684 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:07:59,685 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:07:59,685 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:07:59,692 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:59" (1/1) ... [2023-12-03 02:07:59,692 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:59" (1/1) ... [2023-12-03 02:07:59,700 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:59" (1/1) ... [2023-12-03 02:07:59,700 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:59" (1/1) ... [2023-12-03 02:07:59,735 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:59" (1/1) ... [2023-12-03 02:07:59,740 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:59" (1/1) ... [2023-12-03 02:07:59,749 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:59" (1/1) ... [2023-12-03 02:07:59,755 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:59" (1/1) ... [2023-12-03 02:07:59,767 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:07:59,768 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:07:59,768 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:07:59,768 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:07:59,769 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:59" (1/1) ... [2023-12-03 02:07:59,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:07:59,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:07:59,798 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:07:59,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:07:59,834 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_load_n [2023-12-03 02:07:59,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:07:59,834 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-12-03 02:07:59,834 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-12-03 02:07:59,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 02:07:59,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-03 02:07:59,835 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2023-12-03 02:07:59,835 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2023-12-03 02:07:59,835 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2023-12-03 02:07:59,835 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2023-12-03 02:07:59,835 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_init_ptr [2023-12-03 02:07:59,835 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_init_ptr [2023-12-03 02:07:59,835 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2023-12-03 02:07:59,836 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2023-12-03 02:07:59,836 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 02:07:59,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 02:07:59,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 02:07:59,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:07:59,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 02:07:59,836 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2023-12-03 02:07:59,836 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2023-12-03 02:07:59,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:07:59,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:07:59,837 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-12-03 02:07:59,837 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-12-03 02:07:59,837 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2023-12-03 02:07:59,837 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2023-12-03 02:07:59,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 02:07:59,837 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 02:07:59,838 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 02:07:59,838 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 02:07:59,838 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2023-12-03 02:07:59,838 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2023-12-03 02:07:59,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:07:59,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 02:07:59,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-03 02:07:59,839 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2023-12-03 02:07:59,839 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2023-12-03 02:07:59,839 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-12-03 02:07:59,839 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-12-03 02:07:59,839 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2023-12-03 02:07:59,839 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2023-12-03 02:08:00,084 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:08:00,086 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:08:01,052 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:08:01,284 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:08:01,284 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 02:08:01,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:08:01 BoogieIcfgContainer [2023-12-03 02:08:01,285 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:08:01,286 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:08:01,286 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:08:01,294 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:08:01,294 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:08:01" (1/1) ... [2023-12-03 02:08:01,302 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:08:01,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:08:01,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 106 states and 133 transitions. [2023-12-03 02:08:01,352 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 133 transitions. [2023-12-03 02:08:01,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 02:08:01,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:08:01,358 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:08:01,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:08:01,359 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:08:01,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 02:08:01,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:01,815 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:08:02,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:02,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 1162 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:08:02,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:08:02,561 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 02:08:02,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 02:08:03,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:08:03,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 106 states and 130 transitions. [2023-12-03 02:08:03,237 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 130 transitions. [2023-12-03 02:08:03,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-03 02:08:03,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:08:03,241 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:08:03,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:08:03,242 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:08:03,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 02:08:03,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:03,759 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:08:04,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:04,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 1179 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:08:04,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:08:04,458 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 02:08:04,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 02:08:04,462 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:08:04,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:08:04,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 108 states and 132 transitions. [2023-12-03 02:08:04,557 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 132 transitions. [2023-12-03 02:08:04,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-03 02:08:04,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:08:04,560 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:08:04,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:08:04,562 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:08:04,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 02:08:04,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:04,982 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:08:05,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:05,589 INFO L262 TraceCheckSpWp]: Trace formula consists of 1245 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 02:08:05,593 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:08:05,781 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 02:08:05,785 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:08:05,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-12-03 02:08:06,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:08:06,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 104 states and 127 transitions. [2023-12-03 02:08:06,074 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 127 transitions. [2023-12-03 02:08:06,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-03 02:08:06,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:08:06,077 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:08:06,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:08:06,079 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:08:06,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 02:08:06,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:06,525 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:08:07,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:07,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 1319 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 02:08:07,189 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:08:07,403 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 02:08:07,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 02:08:08,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:08:08,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 106 states and 131 transitions. [2023-12-03 02:08:08,052 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 131 transitions. [2023-12-03 02:08:08,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-03 02:08:08,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:08:08,055 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:08:08,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:08:08,056 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:08:08,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 02:08:08,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:08,528 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:08:09,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:09,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 1323 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 02:08:09,167 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:08:09,537 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 02:08:09,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 02:08:11,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:08:11,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 108 states and 133 transitions. [2023-12-03 02:08:11,197 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 133 transitions. [2023-12-03 02:08:11,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-12-03 02:08:11,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:08:11,200 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:08:11,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:08:11,201 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:08:11,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 02:08:11,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:11,601 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:08:12,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:12,236 INFO L262 TraceCheckSpWp]: Trace formula consists of 1327 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 02:08:12,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:08:12,529 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 02:08:12,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 02:08:13,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:08:13,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 110 states and 133 transitions. [2023-12-03 02:08:13,899 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 133 transitions. [2023-12-03 02:08:13,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-12-03 02:08:13,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:08:13,901 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:08:13,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:08:13,902 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:08:13,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 02:08:14,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:14,324 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:08:14,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:14,912 INFO L262 TraceCheckSpWp]: Trace formula consists of 1331 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 02:08:14,916 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:08:15,311 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 02:08:15,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 02:08:17,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:08:17,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 112 states and 131 transitions. [2023-12-03 02:08:17,102 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 131 transitions. [2023-12-03 02:08:17,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-12-03 02:08:17,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:08:17,104 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:08:17,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:08:17,105 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:08:17,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 02:08:17,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:17,538 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:08:18,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:18,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 1335 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 02:08:18,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:08:18,968 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 02:08:18,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 02:08:19,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:08:19,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 116 states and 135 transitions. [2023-12-03 02:08:19,892 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 135 transitions. [2023-12-03 02:08:19,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-12-03 02:08:19,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:08:19,894 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:08:19,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:08:19,895 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:08:19,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 02:08:20,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:20,342 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:08:20,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:20,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 1344 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-03 02:08:20,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:08:21,783 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 02:08:21,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 02:08:22,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:08:22,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 120 states and 138 transitions. [2023-12-03 02:08:22,641 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 138 transitions. [2023-12-03 02:08:22,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-03 02:08:22,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:08:22,643 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:08:22,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:08:22,644 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:08:22,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 02:08:23,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:23,099 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:08:23,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:23,823 INFO L262 TraceCheckSpWp]: Trace formula consists of 1357 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:08:23,826 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:08:24,344 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 02:08:24,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 02:08:24,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:08:24,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 122 states and 141 transitions. [2023-12-03 02:08:24,926 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 141 transitions. [2023-12-03 02:08:24,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-03 02:08:24,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:08:24,928 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:08:24,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:08:24,929 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:08:24,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 02:08:26,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:26,998 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:08:27,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:27,655 INFO L262 TraceCheckSpWp]: Trace formula consists of 1368 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 02:08:27,658 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:08:28,211 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 02:08:28,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 02:08:29,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:08:29,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 124 states and 145 transitions. [2023-12-03 02:08:29,728 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 145 transitions. [2023-12-03 02:08:29,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-03 02:08:29,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:08:29,729 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:08:29,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:08:29,730 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:08:29,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 02:08:31,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:31,814 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:08:32,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:32,581 INFO L262 TraceCheckSpWp]: Trace formula consists of 1379 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 02:08:32,586 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:08:33,255 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 02:08:33,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 02:08:35,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:08:35,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 126 states and 148 transitions. [2023-12-03 02:08:35,093 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 148 transitions. [2023-12-03 02:08:35,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-03 02:08:35,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:08:35,095 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:08:35,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:08:35,096 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:08:35,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 02:08:37,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:37,089 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:08:37,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:37,817 INFO L262 TraceCheckSpWp]: Trace formula consists of 1390 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 02:08:37,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:08:38,786 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 02:08:38,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 02:08:41,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:08:41,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 128 states and 151 transitions. [2023-12-03 02:08:41,037 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 151 transitions. [2023-12-03 02:08:41,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-03 02:08:41,038 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:08:41,038 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:08:41,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:08:41,039 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:08:41,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 02:08:43,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:43,112 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:08:43,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:43,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 1401 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 02:08:43,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:08:45,054 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 02:08:45,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 02:08:47,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:08:47,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 130 states and 154 transitions. [2023-12-03 02:08:47,647 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 154 transitions. [2023-12-03 02:08:47,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-03 02:08:47,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:08:47,648 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:08:47,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:08:47,649 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:08:47,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 02:08:49,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:49,961 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:08:50,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:50,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 1412 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 02:08:50,741 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:08:51,981 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 02:08:51,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 02:08:54,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:08:54,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 132 states and 157 transitions. [2023-12-03 02:08:54,878 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 157 transitions. [2023-12-03 02:08:54,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-03 02:08:54,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:08:54,879 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:08:54,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:08:54,880 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:08:54,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 02:08:57,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:57,245 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:08:57,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:58,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 1423 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 02:08:58,074 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:08:59,460 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 26 proven. 21 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-03 02:08:59,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 02:09:02,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:02,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 134 states and 160 transitions. [2023-12-03 02:09:02,633 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 160 transitions. [2023-12-03 02:09:02,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-12-03 02:09:02,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:02,635 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:02,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:02,636 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:02,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 02:09:04,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:04,920 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:09:05,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:05,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 1434 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:09:05,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:07,158 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 26 proven. 28 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-03 02:09:07,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 02:09:10,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:10,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 136 states and 163 transitions. [2023-12-03 02:09:10,342 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 163 transitions. [2023-12-03 02:09:10,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-03 02:09:10,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:10,343 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:10,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:10,344 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:10,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 02:09:12,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:12,556 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:09:13,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:13,404 INFO L262 TraceCheckSpWp]: Trace formula consists of 1445 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-03 02:09:13,407 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:15,006 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 26 proven. 36 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-03 02:09:15,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 02:09:18,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:18,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 138 states and 166 transitions. [2023-12-03 02:09:18,576 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 166 transitions. [2023-12-03 02:09:18,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-12-03 02:09:18,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:18,577 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:18,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:18,578 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:18,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 02:09:20,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:20,875 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:09:21,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:21,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 1456 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 02:09:21,701 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:23,492 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 26 proven. 45 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-03 02:09:23,502 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 02:09:27,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:27,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 140 states and 169 transitions. [2023-12-03 02:09:27,521 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 169 transitions. [2023-12-03 02:09:27,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-03 02:09:27,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:27,522 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:27,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:27,523 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:27,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 02:09:29,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:29,966 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:09:30,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:30,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 1467 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 02:09:30,752 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:32,477 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 26 proven. 55 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-03 02:09:32,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 02:09:36,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:36,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 142 states and 172 transitions. [2023-12-03 02:09:36,515 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 172 transitions. [2023-12-03 02:09:36,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-03 02:09:36,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:36,517 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:36,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:36,518 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:36,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 02:09:38,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:38,720 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:09:39,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:39,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 1478 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 02:09:39,544 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:41,528 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 26 proven. 66 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-03 02:09:41,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 02:09:46,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:46,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 144 states and 175 transitions. [2023-12-03 02:09:46,010 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 175 transitions. [2023-12-03 02:09:46,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-12-03 02:09:46,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:46,011 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:46,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:46,012 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:46,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 02:09:48,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:48,355 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:09:49,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:49,248 INFO L262 TraceCheckSpWp]: Trace formula consists of 1489 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-03 02:09:49,252 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:51,377 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 26 proven. 78 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-03 02:09:51,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 02:09:56,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:56,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 146 states and 178 transitions. [2023-12-03 02:09:56,206 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 178 transitions. [2023-12-03 02:09:56,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-12-03 02:09:56,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:56,207 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:56,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:56,208 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:56,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 02:09:58,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:58,701 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:09:59,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:59,496 INFO L262 TraceCheckSpWp]: Trace formula consists of 1500 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:09:59,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:10:01,579 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 26 proven. 91 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-03 02:10:01,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 02:10:06,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:10:06,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 148 states and 181 transitions. [2023-12-03 02:10:06,492 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 181 transitions. [2023-12-03 02:10:06,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-12-03 02:10:06,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:10:06,493 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:10:06,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:10:06,494 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:10:06,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 02:10:09,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:09,004 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:10:09,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:09,881 INFO L262 TraceCheckSpWp]: Trace formula consists of 1511 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 02:10:09,884 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:10:12,161 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 26 proven. 105 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-03 02:10:12,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 02:10:17,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:10:17,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 150 states and 184 transitions. [2023-12-03 02:10:17,496 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 184 transitions. [2023-12-03 02:10:17,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-12-03 02:10:17,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:10:17,497 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:10:17,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:10:17,498 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:10:17,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 02:10:20,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:20,095 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:10:20,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:20,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 1522 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 02:10:20,982 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:10:23,429 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 26 proven. 120 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-03 02:10:23,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 02:10:29,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:10:29,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 152 states and 187 transitions. [2023-12-03 02:10:29,151 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 187 transitions. [2023-12-03 02:10:29,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-12-03 02:10:29,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:10:29,163 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:10:29,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:10:29,164 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:10:29,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 02:10:31,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:31,643 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:10:32,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:32,487 INFO L262 TraceCheckSpWp]: Trace formula consists of 1533 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-03 02:10:32,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:10:34,901 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 26 proven. 136 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-03 02:10:34,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 02:10:40,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:10:40,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 154 states and 190 transitions. [2023-12-03 02:10:40,945 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 190 transitions. [2023-12-03 02:10:40,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-12-03 02:10:40,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:10:40,946 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:10:40,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:10:40,947 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:10:40,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 02:10:43,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:43,400 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:10:44,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:44,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 1544 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-03 02:10:44,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:10:46,913 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 26 proven. 153 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-03 02:10:46,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 02:10:53,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:10:53,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 156 states and 193 transitions. [2023-12-03 02:10:53,642 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 193 transitions. [2023-12-03 02:10:53,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-03 02:10:53,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:10:53,643 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:10:53,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:10:53,644 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:10:53,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 02:10:56,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:56,191 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:10:57,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:57,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 1555 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-03 02:10:57,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:10:59,901 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 26 proven. 171 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-03 02:10:59,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 02:11:06,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:11:06,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 158 states and 196 transitions. [2023-12-03 02:11:06,396 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 196 transitions. [2023-12-03 02:11:06,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-12-03 02:11:06,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:11:06,397 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:11:06,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:11:06,398 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:11:06,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 02:11:09,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:09,016 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:11:09,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:09,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 1566 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-03 02:11:09,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:11:12,756 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 26 proven. 190 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-03 02:11:12,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 02:11:19,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:11:19,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 160 states and 199 transitions. [2023-12-03 02:11:19,878 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 199 transitions. [2023-12-03 02:11:19,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-12-03 02:11:19,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:11:19,879 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:11:19,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:11:19,880 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:11:19,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 02:11:22,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:22,631 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:11:23,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:23,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 1577 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-03 02:11:23,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:11:26,575 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 26 proven. 210 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-03 02:11:26,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 02:11:33,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:11:33,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 162 states and 202 transitions. [2023-12-03 02:11:33,805 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 202 transitions. [2023-12-03 02:11:33,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-12-03 02:11:33,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:11:33,807 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:11:33,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:11:33,808 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:11:33,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 02:11:36,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:36,354 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:11:37,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:37,210 INFO L262 TraceCheckSpWp]: Trace formula consists of 1588 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 02:11:37,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:11:40,326 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 26 proven. 231 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-03 02:11:40,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 02:11:48,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:11:48,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 164 states and 205 transitions. [2023-12-03 02:11:48,198 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 205 transitions. [2023-12-03 02:11:48,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-12-03 02:11:48,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:11:48,199 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:11:48,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:11:48,200 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:11:48,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 02:11:50,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:50,919 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:11:51,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:51,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 1599 conjuncts, 26 conjunts are in the unsatisfiable core [2023-12-03 02:11:51,861 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:11:55,197 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 26 proven. 253 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-03 02:11:55,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 02:12:03,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:12:03,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 166 states and 208 transitions. [2023-12-03 02:12:03,261 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 02:12:03,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-12-03 02:12:03,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:12:03,261 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:12:03,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:12:03,262 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:12:03,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 02:12:06,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:12:06,293 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:12:07,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:12:07,219 INFO L262 TraceCheckSpWp]: Trace formula consists of 1610 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-03 02:12:07,222 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:12:10,633 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 26 proven. 276 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-03 02:12:10,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 02:12:19,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:12:19,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 168 states and 211 transitions. [2023-12-03 02:12:19,311 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 211 transitions. [2023-12-03 02:12:19,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-12-03 02:12:19,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:12:19,312 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:12:19,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:12:19,313 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:12:19,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 02:12:22,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:12:22,203 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:12:23,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:12:23,137 INFO L262 TraceCheckSpWp]: Trace formula consists of 1621 conjuncts, 28 conjunts are in the unsatisfiable core [2023-12-03 02:12:23,141 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:12:26,761 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 26 proven. 300 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-03 02:12:26,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 02:12:35,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:12:35,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 170 states and 214 transitions. [2023-12-03 02:12:35,508 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 214 transitions. [2023-12-03 02:12:35,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-12-03 02:12:35,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:12:35,509 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:12:35,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:12:35,510 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:12:35,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 02:12:38,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:12:38,381 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:12:39,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:12:39,347 INFO L262 TraceCheckSpWp]: Trace formula consists of 1632 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-03 02:12:39,350 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:12:43,021 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 26 proven. 325 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-03 02:12:43,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 02:12:52,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:12:52,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 172 states and 217 transitions. [2023-12-03 02:12:52,673 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 217 transitions. [2023-12-03 02:12:52,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-12-03 02:12:52,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:12:52,674 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:12:52,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:12:52,675 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:12:52,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 02:12:55,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:12:55,506 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:12:56,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:12:56,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 1643 conjuncts, 30 conjunts are in the unsatisfiable core [2023-12-03 02:12:56,427 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:00,142 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 26 proven. 351 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-03 02:13:00,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 02:13:09,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:09,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 174 states and 220 transitions. [2023-12-03 02:13:09,999 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 220 transitions. [2023-12-03 02:13:09,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-12-03 02:13:09,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:09,999 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:13:10,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:13:10,000 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:13:10,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 02:13:12,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:12,839 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:13:13,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:13,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 1654 conjuncts, 31 conjunts are in the unsatisfiable core [2023-12-03 02:13:13,830 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:17,860 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 26 proven. 378 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-03 02:13:17,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 02:13:28,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:28,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 176 states and 223 transitions. [2023-12-03 02:13:28,004 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 223 transitions. [2023-12-03 02:13:28,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-12-03 02:13:28,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:28,005 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:13:28,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:13:28,006 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:13:28,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 02:13:30,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:30,987 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:13:31,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:31,971 INFO L262 TraceCheckSpWp]: Trace formula consists of 1665 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-03 02:13:31,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:36,062 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 26 proven. 406 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-03 02:13:36,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 02:13:46,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:46,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 178 states and 226 transitions. [2023-12-03 02:13:46,891 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 226 transitions. [2023-12-03 02:13:46,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-12-03 02:13:46,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:46,892 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:13:46,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:13:46,894 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:13:46,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 02:13:49,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:49,764 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:13:50,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:50,679 INFO L262 TraceCheckSpWp]: Trace formula consists of 1676 conjuncts, 33 conjunts are in the unsatisfiable core [2023-12-03 02:13:50,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:54,767 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 26 proven. 435 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-03 02:13:54,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 02:14:05,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:14:05,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 180 states and 229 transitions. [2023-12-03 02:14:05,856 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 229 transitions. [2023-12-03 02:14:05,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-12-03 02:14:05,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:14:05,857 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:14:05,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:14:05,858 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:14:05,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 02:14:08,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:08,877 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:14:09,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:09,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 1687 conjuncts, 34 conjunts are in the unsatisfiable core [2023-12-03 02:14:09,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:14:14,479 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 26 proven. 465 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-03 02:14:14,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 02:14:25,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:14:25,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 182 states and 232 transitions. [2023-12-03 02:14:25,710 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 232 transitions. [2023-12-03 02:14:25,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-12-03 02:14:25,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:14:25,711 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:14:25,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:14:25,712 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:14:25,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 02:14:28,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:28,619 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:14:29,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:29,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 1698 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-03 02:14:29,577 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:14:34,276 INFO L134 CoverageAnalysis]: Checked inductivity of 556 backedges. 26 proven. 496 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-03 02:14:34,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 02:14:46,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:14:46,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 184 states and 235 transitions. [2023-12-03 02:14:46,172 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 235 transitions. [2023-12-03 02:14:46,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-12-03 02:14:46,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:14:46,173 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:14:46,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:14:46,174 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:14:46,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 02:14:49,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:49,405 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:14:50,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:50,417 INFO L262 TraceCheckSpWp]: Trace formula consists of 1709 conjuncts, 36 conjunts are in the unsatisfiable core [2023-12-03 02:14:50,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:14:55,252 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 26 proven. 528 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-03 02:14:55,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 02:15:07,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:15:07,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 186 states and 238 transitions. [2023-12-03 02:15:07,693 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 238 transitions. [2023-12-03 02:15:07,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-12-03 02:15:07,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:15:07,695 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:15:07,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:15:07,696 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:15:07,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 02:15:10,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:10,772 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:15:11,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:11,810 INFO L262 TraceCheckSpWp]: Trace formula consists of 1720 conjuncts, 37 conjunts are in the unsatisfiable core [2023-12-03 02:15:11,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:15:16,856 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 26 proven. 561 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-03 02:15:16,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 02:15:29,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:15:29,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 188 states and 241 transitions. [2023-12-03 02:15:29,849 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 241 transitions. [2023-12-03 02:15:29,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-12-03 02:15:29,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:15:29,851 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:15:29,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:15:29,852 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:15:29,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 02:15:32,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:32,962 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:15:33,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:33,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 1731 conjuncts, 38 conjunts are in the unsatisfiable core [2023-12-03 02:15:33,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:15:38,946 INFO L134 CoverageAnalysis]: Checked inductivity of 655 backedges. 26 proven. 595 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-03 02:15:38,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 02:15:52,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:15:52,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 190 states and 244 transitions. [2023-12-03 02:15:52,402 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 244 transitions. [2023-12-03 02:15:52,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-12-03 02:15:52,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:15:52,403 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:15:52,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:15:52,403 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:15:52,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 02:15:55,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:55,792 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:15:56,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:56,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 1742 conjuncts, 39 conjunts are in the unsatisfiable core [2023-12-03 02:15:56,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:16:02,383 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 26 proven. 630 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-03 02:16:02,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 02:16:17,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:16:17,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 192 states and 247 transitions. [2023-12-03 02:16:17,019 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 247 transitions. [2023-12-03 02:16:17,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-12-03 02:16:17,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:16:17,020 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:16:17,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:16:17,021 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:16:17,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 02:16:20,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:20,685 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:16:21,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:21,801 INFO L262 TraceCheckSpWp]: Trace formula consists of 1753 conjuncts, 40 conjunts are in the unsatisfiable core [2023-12-03 02:16:21,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:16:27,698 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 26 proven. 666 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-03 02:16:27,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 02:16:43,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:16:43,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 194 states and 250 transitions. [2023-12-03 02:16:43,034 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 250 transitions. [2023-12-03 02:16:43,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-12-03 02:16:43,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:16:43,036 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:16:43,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:16:43,038 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:16:43,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 02:16:46,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:46,661 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:16:47,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:47,766 INFO L262 TraceCheckSpWp]: Trace formula consists of 1764 conjuncts, 41 conjunts are in the unsatisfiable core [2023-12-03 02:16:47,770 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:16:53,710 INFO L134 CoverageAnalysis]: Checked inductivity of 763 backedges. 26 proven. 703 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-03 02:16:53,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 02:17:09,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:17:09,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 196 states and 253 transitions. [2023-12-03 02:17:09,220 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 253 transitions. [2023-12-03 02:17:09,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-12-03 02:17:09,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:17:09,221 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:17:09,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:17:09,222 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:17:09,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 02:17:13,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:13,111 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:17:14,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:14,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 1775 conjuncts, 42 conjunts are in the unsatisfiable core [2023-12-03 02:17:14,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:17:20,177 INFO L134 CoverageAnalysis]: Checked inductivity of 801 backedges. 26 proven. 741 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-03 02:17:20,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-03 02:17:35,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:17:35,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 198 states and 256 transitions. [2023-12-03 02:17:35,759 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 256 transitions. [2023-12-03 02:17:35,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-12-03 02:17:35,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:17:35,761 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:17:35,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:17:35,762 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:17:35,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 02:17:39,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:39,899 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:17:40,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:41,132 INFO L262 TraceCheckSpWp]: Trace formula consists of 1786 conjuncts, 43 conjunts are in the unsatisfiable core [2023-12-03 02:17:41,136 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:17:47,781 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 26 proven. 780 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-12-03 02:17:47,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 02:18:04,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:18:04,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 200 states and 259 transitions. [2023-12-03 02:18:04,445 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 259 transitions. [2023-12-03 02:18:04,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-12-03 02:18:04,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:18:04,447 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:18:04,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:18:04,448 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:18:04,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70f588c-b919-476c-b595-a9fe6bf086a7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process