./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_init_copy_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 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_c49bf7e1-de8c-4f1b-956f-8e1f6d0302f0/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49bf7e1-de8c-4f1b-956f-8e1f6d0302f0/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49bf7e1-de8c-4f1b-956f-8e1f6d0302f0/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49bf7e1-de8c-4f1b-956f-8e1f6d0302f0/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_init_copy_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49bf7e1-de8c-4f1b-956f-8e1f6d0302f0/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49bf7e1-de8c-4f1b-956f-8e1f6d0302f0/bin/ukojak-verify-i0I2FZA1j2 --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 11fc54e483ffd2ae0b3964d9ea71966c5fc4584f0c06936be706e8eeb7f6e854 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:51:00,972 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:51:01,063 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49bf7e1-de8c-4f1b-956f-8e1f6d0302f0/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-21 18:51:01,071 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:51:01,072 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:51:01,105 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:51:01,106 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:51:01,107 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:51:01,108 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:51:01,108 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:51:01,109 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:51:01,109 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:51:01,110 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:51:01,111 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:51:01,111 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:51:01,112 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:51:01,112 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:51:01,113 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:51:01,114 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:51:01,114 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:51:01,115 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:51:01,116 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:51:01,116 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:51:01,117 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:51:01,117 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:51:01,118 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:51:01,118 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:51:01,119 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:51:01,119 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:51:01,120 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:51:01,120 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_c49bf7e1-de8c-4f1b-956f-8e1f6d0302f0/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49bf7e1-de8c-4f1b-956f-8e1f6d0302f0/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11fc54e483ffd2ae0b3964d9ea71966c5fc4584f0c06936be706e8eeb7f6e854 [2023-11-21 18:51:01,411 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:51:01,442 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:51:01,445 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:51:01,447 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:51:01,448 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:51:01,449 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49bf7e1-de8c-4f1b-956f-8e1f6d0302f0/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_init_copy_harness_negated.i [2023-11-21 18:51:04,637 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:51:05,282 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:51:05,283 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49bf7e1-de8c-4f1b-956f-8e1f6d0302f0/sv-benchmarks/c/aws-c-common/aws_byte_buf_init_copy_harness_negated.i [2023-11-21 18:51:05,337 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49bf7e1-de8c-4f1b-956f-8e1f6d0302f0/bin/ukojak-verify-i0I2FZA1j2/data/e3b00c140/0a6f7cf3a9bc4ca2953eb165e6ebae06/FLAG812720522 [2023-11-21 18:51:05,357 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49bf7e1-de8c-4f1b-956f-8e1f6d0302f0/bin/ukojak-verify-i0I2FZA1j2/data/e3b00c140/0a6f7cf3a9bc4ca2953eb165e6ebae06 [2023-11-21 18:51:05,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:51:05,366 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:51:05,368 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:51:05,368 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:51:05,373 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:51:05,376 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:51:05" (1/1) ... [2023-11-21 18:51:05,377 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f3d39b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:05, skipping insertion in model container [2023-11-21 18:51:05,377 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:51:05" (1/1) ... [2023-11-21 18:51:05,522 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:51:05,875 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_c49bf7e1-de8c-4f1b-956f-8e1f6d0302f0/sv-benchmarks/c/aws-c-common/aws_byte_buf_init_copy_harness_negated.i[4496,4509] [2023-11-21 18:51:05,883 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_c49bf7e1-de8c-4f1b-956f-8e1f6d0302f0/sv-benchmarks/c/aws-c-common/aws_byte_buf_init_copy_harness_negated.i[4556,4569] [2023-11-21 18:51:06,967 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:06,969 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:06,971 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:06,973 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:06,975 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:07,001 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:07,002 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:07,004 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:07,005 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:07,464 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-21 18:51:07,469 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-21 18:51:07,471 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-21 18:51:07,475 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-21 18:51:07,478 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-21 18:51:07,480 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-21 18:51:07,481 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-21 18:51:07,483 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-21 18:51:07,486 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-21 18:51:07,489 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-21 18:51:07,803 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:07,804 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:07,904 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:51:07,978 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:51:08,004 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_c49bf7e1-de8c-4f1b-956f-8e1f6d0302f0/sv-benchmarks/c/aws-c-common/aws_byte_buf_init_copy_harness_negated.i[4496,4509] [2023-11-21 18:51:08,005 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_c49bf7e1-de8c-4f1b-956f-8e1f6d0302f0/sv-benchmarks/c/aws-c-common/aws_byte_buf_init_copy_harness_negated.i[4556,4569] [2023-11-21 18:51:08,054 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:08,055 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:08,055 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:08,056 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:08,057 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:08,074 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:08,075 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:08,077 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:08,077 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:08,133 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-21 18:51:08,134 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-21 18:51:08,135 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-21 18:51:08,136 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-21 18:51:08,140 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-21 18:51:08,140 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-21 18:51:08,141 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-21 18:51:08,143 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-21 18:51:08,143 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-21 18:51:08,151 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-21 18:51:08,331 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2023-11-21 18:51:08,333 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:08,334 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:08,349 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2023-11-21 18:51:08,379 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:51:08,598 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:51:08,599 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:51:08,599 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:51:08,599 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:51:08,599 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:51:08,599 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:51:08,600 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:51:08,600 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:51:08,600 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:51:08,600 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:51:08,600 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:51:08,601 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:51:08,601 WARN L675 CHandler]: The function predicate is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:51:08,601 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:51:08,601 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:51:08,601 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:51:08,601 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:51:08,602 WARN L675 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:51:08,609 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:51:08,610 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:08 WrapperNode [2023-11-21 18:51:08,610 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:51:08,611 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:51:08,611 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:51:08,612 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:51:08,619 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:08" (1/1) ... [2023-11-21 18:51:08,740 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:08" (1/1) ... [2023-11-21 18:51:08,863 INFO L138 Inliner]: procedures = 690, calls = 2627, calls flagged for inlining = 63, calls inlined = 11, statements flattened = 937 [2023-11-21 18:51:08,865 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:51:08,865 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:51:08,866 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:51:08,866 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:51:08,875 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:08" (1/1) ... [2023-11-21 18:51:08,876 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:08" (1/1) ... [2023-11-21 18:51:08,892 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:08" (1/1) ... [2023-11-21 18:51:08,893 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:08" (1/1) ... [2023-11-21 18:51:08,942 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:08" (1/1) ... [2023-11-21 18:51:08,947 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:08" (1/1) ... [2023-11-21 18:51:08,957 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:08" (1/1) ... [2023-11-21 18:51:08,964 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:08" (1/1) ... [2023-11-21 18:51:08,977 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:51:08,978 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:51:08,979 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:51:08,979 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:51:08,980 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:08" (1/1) ... [2023-11-21 18:51:08,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:51:08,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49bf7e1-de8c-4f1b-956f-8e1f6d0302f0/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:51:09,018 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49bf7e1-de8c-4f1b-956f-8e1f6d0302f0/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:51:09,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49bf7e1-de8c-4f1b-956f-8e1f6d0302f0/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:51:09,059 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2023-11-21 18:51:09,059 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2023-11-21 18:51:09,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:51:09,060 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-21 18:51:09,060 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-21 18:51:09,060 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2023-11-21 18:51:09,060 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2023-11-21 18:51:09,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:51:09,061 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2023-11-21 18:51:09,061 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2023-11-21 18:51:09,062 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:51:09,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:51:09,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:51:09,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:51:09,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:51:09,063 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2023-11-21 18:51:09,063 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2023-11-21 18:51:09,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:51:09,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:51:09,064 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-21 18:51:09,065 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-21 18:51:09,065 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2023-11-21 18:51:09,065 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2023-11-21 18:51:09,065 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2023-11-21 18:51:09,065 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2023-11-21 18:51:09,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 18:51:09,066 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 18:51:09,066 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:51:09,066 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:51:09,066 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2023-11-21 18:51:09,066 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2023-11-21 18:51:09,067 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2023-11-21 18:51:09,067 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2023-11-21 18:51:09,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:51:09,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 18:51:09,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 18:51:09,068 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-21 18:51:09,068 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-21 18:51:09,069 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2023-11-21 18:51:09,069 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2023-11-21 18:51:09,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:51:09,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:51:09,421 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:51:09,424 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:51:11,273 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:51:11,673 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:51:11,674 INFO L308 CfgBuilder]: Removed 7 assume(true) statements. [2023-11-21 18:51:11,676 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:51:11 BoogieIcfgContainer [2023-11-21 18:51:11,676 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:51:11,677 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:51:11,678 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:51:11,690 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:51:11,691 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:51:11" (1/1) ... [2023-11-21 18:51:11,706 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:51:11,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:11,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 146 states and 199 transitions. [2023-11-21 18:51:11,808 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 199 transitions. [2023-11-21 18:51:11,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:51:11,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:11,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:12,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:12,867 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-21 18:51:13,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:13,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 146 states and 194 transitions. [2023-11-21 18:51:13,427 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 194 transitions. [2023-11-21 18:51:13,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:51:13,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:13,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:13,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:14,413 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-21 18:51:14,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:14,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 148 states and 196 transitions. [2023-11-21 18:51:14,552 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 196 transitions. [2023-11-21 18:51:14,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-21 18:51:14,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:14,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:15,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:15,928 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-21 18:51:16,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:16,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 150 states and 199 transitions. [2023-11-21 18:51:16,016 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 199 transitions. [2023-11-21 18:51:16,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-21 18:51:16,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:16,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:16,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:17,430 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-21 18:51:17,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:17,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 151 states and 201 transitions. [2023-11-21 18:51:17,571 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 201 transitions. [2023-11-21 18:51:17,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-21 18:51:17,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:17,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:18,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:19,010 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-21 18:51:19,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:19,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 152 states and 202 transitions. [2023-11-21 18:51:19,223 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 202 transitions. [2023-11-21 18:51:19,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-21 18:51:19,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:19,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:19,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:20,495 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-21 18:51:20,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:20,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 153 states and 203 transitions. [2023-11-21 18:51:20,703 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 203 transitions. [2023-11-21 18:51:20,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-21 18:51:20,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:20,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:21,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:22,030 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-21 18:51:22,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:22,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 154 states and 204 transitions. [2023-11-21 18:51:22,241 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 204 transitions. [2023-11-21 18:51:22,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-21 18:51:22,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:22,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:22,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:23,645 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-21 18:51:23,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:23,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 155 states and 205 transitions. [2023-11-21 18:51:23,896 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 205 transitions. [2023-11-21 18:51:23,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-21 18:51:23,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:23,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:24,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:25,234 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-21 18:51:25,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:25,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 156 states and 206 transitions. [2023-11-21 18:51:25,463 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 206 transitions. [2023-11-21 18:51:25,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-21 18:51:25,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:25,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:25,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:27,028 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-21 18:51:27,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:27,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 157 states and 207 transitions. [2023-11-21 18:51:27,290 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 207 transitions. [2023-11-21 18:51:27,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-21 18:51:27,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:27,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:27,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:28,906 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-21 18:51:29,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:29,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 158 states and 208 transitions. [2023-11-21 18:51:29,219 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 208 transitions. [2023-11-21 18:51:29,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-21 18:51:29,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:29,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:29,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:31,129 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-21 18:51:31,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:31,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 159 states and 209 transitions. [2023-11-21 18:51:31,429 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 209 transitions. [2023-11-21 18:51:31,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-21 18:51:31,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:31,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:31,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:33,097 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-21 18:51:33,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:33,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 160 states and 210 transitions. [2023-11-21 18:51:33,400 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 210 transitions. [2023-11-21 18:51:33,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-21 18:51:33,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:33,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:33,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:35,190 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-21 18:51:35,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:35,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 161 states and 211 transitions. [2023-11-21 18:51:35,486 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 211 transitions. [2023-11-21 18:51:35,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-21 18:51:35,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:35,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:35,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:37,182 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-21 18:51:37,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:37,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 162 states and 212 transitions. [2023-11-21 18:51:37,530 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 212 transitions. [2023-11-21 18:51:37,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-21 18:51:37,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:37,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:37,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:39,502 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-21 18:51:39,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:39,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 163 states and 213 transitions. [2023-11-21 18:51:39,826 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 213 transitions. [2023-11-21 18:51:39,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-21 18:51:39,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:39,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:40,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:41,765 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-21 18:51:42,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:42,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 164 states and 214 transitions. [2023-11-21 18:51:42,098 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 214 transitions. [2023-11-21 18:51:42,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-21 18:51:42,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:42,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:42,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:44,040 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-21 18:51:44,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:44,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 165 states and 215 transitions. [2023-11-21 18:51:44,410 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 215 transitions. [2023-11-21 18:51:44,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-21 18:51:44,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:44,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:44,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat