./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_7c52620f-d0af-414a-930b-978a5d5ff36a/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c52620f-d0af-414a-930b-978a5d5ff36a/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c52620f-d0af-414a-930b-978a5d5ff36a/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c52620f-d0af-414a-930b-978a5d5ff36a/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c52620f-d0af-414a-930b-978a5d5ff36a/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c52620f-d0af-414a-930b-978a5d5ff36a/bin/ukojak-verify-1t5iHCbJaC --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 a6e7035c8f6176239a6155d5f2c0d89271e8311db2fdadeed7cf9912856a8711 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:05:18,931 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:05:19,074 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c52620f-d0af-414a-930b-978a5d5ff36a/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-23 20:05:19,086 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:05:19,089 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:05:19,124 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:05:19,125 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:05:19,126 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:05:19,127 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:05:19,128 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:05:19,129 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:05:19,129 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:05:19,130 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:05:19,131 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:05:19,132 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:05:19,133 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:05:19,133 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:05:19,134 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:05:19,135 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:05:19,136 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:05:19,136 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:05:19,137 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:05:19,138 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:05:19,139 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:05:19,140 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:05:19,141 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:05:19,142 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:05:19,143 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:05:19,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:05:19,144 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:05:19,145 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_7c52620f-d0af-414a-930b-978a5d5ff36a/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c52620f-d0af-414a-930b-978a5d5ff36a/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a6e7035c8f6176239a6155d5f2c0d89271e8311db2fdadeed7cf9912856a8711 [2023-11-23 20:05:19,467 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:05:19,500 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:05:19,504 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:05:19,507 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:05:19,507 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:05:19,509 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c52620f-d0af-414a-930b-978a5d5ff36a/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness.i [2023-11-23 20:05:22,949 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:05:23,629 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:05:23,633 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c52620f-d0af-414a-930b-978a5d5ff36a/sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness.i [2023-11-23 20:05:23,702 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c52620f-d0af-414a-930b-978a5d5ff36a/bin/ukojak-verify-1t5iHCbJaC/data/651aa5b5c/43086d8f15d34d3da573b555eea34193/FLAG837f2ee8e [2023-11-23 20:05:23,722 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c52620f-d0af-414a-930b-978a5d5ff36a/bin/ukojak-verify-1t5iHCbJaC/data/651aa5b5c/43086d8f15d34d3da573b555eea34193 [2023-11-23 20:05:23,729 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:05:23,732 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:05:23,736 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:05:23,737 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:05:23,742 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:05:23,743 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:05:23" (1/1) ... [2023-11-23 20:05:23,744 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f8d19f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:23, skipping insertion in model container [2023-11-23 20:05:23,745 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:05:23" (1/1) ... [2023-11-23 20:05:23,879 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:05:24,198 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_7c52620f-d0af-414a-930b-978a5d5ff36a/sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness.i[4498,4511] [2023-11-23 20:05:24,209 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_7c52620f-d0af-414a-930b-978a5d5ff36a/sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness.i[4558,4571] [2023-11-23 20:05:25,510 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:05:25,517 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:05:25,520 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:05:25,521 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:05:25,525 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:05:25,563 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:05:25,564 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:05:25,566 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:05:25,567 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:05:26,201 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 20:05:26,203 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 20:05:26,205 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 20:05:26,208 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 20:05:26,215 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 20:05:26,216 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 20:05:26,217 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 20:05:26,219 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 20:05:26,221 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 20:05:26,224 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 20:05:26,582 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:05:26,596 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:05:26,729 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:05:26,797 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:05:26,815 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_7c52620f-d0af-414a-930b-978a5d5ff36a/sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness.i[4498,4511] [2023-11-23 20:05:26,819 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_7c52620f-d0af-414a-930b-978a5d5ff36a/sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness.i[4558,4571] [2023-11-23 20:05:26,915 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:05:26,923 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:05:26,924 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:05:26,925 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:05:26,926 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:05:26,946 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:05:26,947 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:05:26,949 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:05:26,949 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:05:27,028 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 20:05:27,030 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 20:05:27,031 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 20:05:27,032 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 20:05:27,035 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 20:05:27,036 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 20:05:27,038 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 20:05:27,040 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 20:05:27,041 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 20:05:27,042 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 20:05:27,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2023-11-23 20:05:27,200 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:05:27,201 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 20:05:27,259 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8995-9006] [2023-11-23 20:05:27,292 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:05:27,639 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:05:27,639 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:05:27,640 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:05:27,640 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:05:27,640 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:05:27,640 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:05:27,640 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:05:27,641 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:05:27,641 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:05:27,641 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:05:27,641 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:05:27,642 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:05:27,642 WARN L675 CHandler]: The function predicate is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:05:27,642 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:05:27,642 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:05:27,642 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:05:27,643 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:05:27,643 WARN L675 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:05:27,652 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:05:27,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:27 WrapperNode [2023-11-23 20:05:27,653 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:05:27,655 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:05:27,655 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:05:27,655 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:05:27,668 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:27" (1/1) ... [2023-11-23 20:05:27,799 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:27" (1/1) ... [2023-11-23 20:05:27,924 INFO L138 Inliner]: procedures = 690, calls = 2875, calls flagged for inlining = 57, calls inlined = 6, statements flattened = 811 [2023-11-23 20:05:27,926 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:05:27,926 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:05:27,927 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:05:27,927 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:05:27,938 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:27" (1/1) ... [2023-11-23 20:05:27,938 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:27" (1/1) ... [2023-11-23 20:05:27,953 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:27" (1/1) ... [2023-11-23 20:05:27,954 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:27" (1/1) ... [2023-11-23 20:05:28,031 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:27" (1/1) ... [2023-11-23 20:05:28,042 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:27" (1/1) ... [2023-11-23 20:05:28,051 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:27" (1/1) ... [2023-11-23 20:05:28,058 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:27" (1/1) ... [2023-11-23 20:05:28,070 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:05:28,071 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:05:28,072 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:05:28,072 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:05:28,073 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:27" (1/1) ... [2023-11-23 20:05:28,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:05:28,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c52620f-d0af-414a-930b-978a5d5ff36a/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:05:28,123 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c52620f-d0af-414a-930b-978a5d5ff36a/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:05:28,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c52620f-d0af-414a-930b-978a5d5ff36a/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:05:28,177 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_store_n [2023-11-23 20:05:28,178 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_load_n [2023-11-23 20:05:28,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:05:28,178 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2023-11-23 20:05:28,178 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2023-11-23 20:05:28,179 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:05:28,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:05:28,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:05:28,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:05:28,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:05:28,180 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2023-11-23 20:05:28,180 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2023-11-23 20:05:28,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:05:28,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:05:28,181 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-23 20:05:28,181 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-23 20:05:28,181 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2023-11-23 20:05:28,181 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2023-11-23 20:05:28,181 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2023-11-23 20:05:28,182 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2023-11-23 20:05:28,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 20:05:28,182 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 20:05:28,182 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:05:28,182 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:05:28,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:05:28,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:05:28,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 20:05:28,183 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2023-11-23 20:05:28,183 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2023-11-23 20:05:28,184 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-23 20:05:28,184 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-23 20:05:28,184 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2023-11-23 20:05:28,184 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2023-11-23 20:05:28,184 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2023-11-23 20:05:28,185 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2023-11-23 20:05:28,185 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2023-11-23 20:05:28,185 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2023-11-23 20:05:28,185 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2023-11-23 20:05:28,185 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2023-11-23 20:05:28,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:05:28,562 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:05:28,566 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:05:30,243 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:05:30,598 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:05:30,598 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:05:30,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:05:30 BoogieIcfgContainer [2023-11-23 20:05:30,601 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:05:30,602 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:05:30,602 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:05:30,615 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:05:30,615 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:05:30" (1/1) ... [2023-11-23 20:05:30,627 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:05:30,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:30,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 107 states and 135 transitions. [2023-11-23 20:05:30,725 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 135 transitions. [2023-11-23 20:05:30,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 20:05:30,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:30,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:31,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:32,234 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:05:32,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:32,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 113 states and 144 transitions. [2023-11-23 20:05:32,569 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 144 transitions. [2023-11-23 20:05:32,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-23 20:05:32,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:32,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:32,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:33,441 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:05:33,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:33,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 115 states and 155 transitions. [2023-11-23 20:05:33,853 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 155 transitions. [2023-11-23 20:05:33,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-23 20:05:33,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:33,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:33,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:34,913 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:05:35,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:35,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 117 states and 163 transitions. [2023-11-23 20:05:35,700 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 163 transitions. [2023-11-23 20:05:35,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-23 20:05:35,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:35,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:35,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:36,642 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:05:37,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:37,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 119 states and 169 transitions. [2023-11-23 20:05:37,397 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 169 transitions. [2023-11-23 20:05:37,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-23 20:05:37,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:37,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:37,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:38,237 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 10 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:05:39,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:39,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 121 states and 173 transitions. [2023-11-23 20:05:39,135 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 173 transitions. [2023-11-23 20:05:39,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-23 20:05:39,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:39,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:39,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:39,856 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-23 20:05:40,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:40,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 111 states and 134 transitions. [2023-11-23 20:05:40,010 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 134 transitions. [2023-11-23 20:05:40,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-11-23 20:05:40,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:40,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:40,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:40,365 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-23 20:05:40,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:40,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 111 states and 131 transitions. [2023-11-23 20:05:40,409 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 131 transitions. [2023-11-23 20:05:40,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-11-23 20:05:40,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:40,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:40,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:41,623 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-23 20:05:41,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:41,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 113 states and 134 transitions. [2023-11-23 20:05:41,844 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 134 transitions. [2023-11-23 20:05:41,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-11-23 20:05:41,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:41,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:42,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:43,273 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-23 20:05:43,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:43,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 114 states and 136 transitions. [2023-11-23 20:05:43,581 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 136 transitions. [2023-11-23 20:05:43,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-11-23 20:05:43,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:43,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:43,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:50,429 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2023-11-23 20:05:53,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:53,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 121 states and 152 transitions. [2023-11-23 20:05:53,403 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 152 transitions. [2023-11-23 20:05:53,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-11-23 20:05:53,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:53,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:53,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:54,714 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-23 20:05:55,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:55,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 122 states and 153 transitions. [2023-11-23 20:05:55,464 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 153 transitions. [2023-11-23 20:05:55,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2023-11-23 20:05:55,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:55,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:55,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:56,822 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-23 20:05:57,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:57,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 123 states and 154 transitions. [2023-11-23 20:05:57,731 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 154 transitions. [2023-11-23 20:05:57,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2023-11-23 20:05:57,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:57,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:57,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:59,181 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-23 20:06:00,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:00,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 124 states and 155 transitions. [2023-11-23 20:06:00,132 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 155 transitions. [2023-11-23 20:06:00,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-11-23 20:06:00,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:00,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:00,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:01,705 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked.