./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_clean_up_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad144142-3df2-4ead-b8ee-8fe5893cf019/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad144142-3df2-4ead-b8ee-8fe5893cf019/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_ad144142-3df2-4ead-b8ee-8fe5893cf019/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad144142-3df2-4ead-b8ee-8fe5893cf019/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_clean_up_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad144142-3df2-4ead-b8ee-8fe5893cf019/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_ad144142-3df2-4ead-b8ee-8fe5893cf019/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 5ba879a31f48d1f1f7d1dc7f928910bfb7ed0629fadb04ed483f94e60bfd5ef0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:50:23,822 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:50:23,962 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad144142-3df2-4ead-b8ee-8fe5893cf019/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-21 18:50:23,971 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:50:23,972 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:50:24,013 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:50:24,014 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:50:24,015 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:50:24,016 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:50:24,021 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:50:24,022 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:50:24,023 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:50:24,023 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:50:24,025 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:50:24,025 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:50:24,026 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:50:24,026 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:50:24,027 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:50:24,027 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:50:24,028 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:50:24,029 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:50:24,029 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:50:24,030 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:50:24,032 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:50:24,032 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:50:24,033 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:50:24,033 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:50:24,034 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:50:24,034 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:50:24,035 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:50:24,036 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_ad144142-3df2-4ead-b8ee-8fe5893cf019/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad144142-3df2-4ead-b8ee-8fe5893cf019/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ba879a31f48d1f1f7d1dc7f928910bfb7ed0629fadb04ed483f94e60bfd5ef0 [2023-11-21 18:50:24,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:50:24,355 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:50:24,358 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:50:24,360 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:50:24,360 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:50:24,362 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad144142-3df2-4ead-b8ee-8fe5893cf019/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/aws-c-common/aws_array_list_clean_up_harness.i [2023-11-21 18:50:27,616 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:50:28,305 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:50:28,306 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad144142-3df2-4ead-b8ee-8fe5893cf019/sv-benchmarks/c/aws-c-common/aws_array_list_clean_up_harness.i [2023-11-21 18:50:28,381 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad144142-3df2-4ead-b8ee-8fe5893cf019/bin/ukojak-verify-i0I2FZA1j2/data/d92ff1a22/e05aceaaa6094eec9458e53614b50d44/FLAG50f4889d2 [2023-11-21 18:50:28,401 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad144142-3df2-4ead-b8ee-8fe5893cf019/bin/ukojak-verify-i0I2FZA1j2/data/d92ff1a22/e05aceaaa6094eec9458e53614b50d44 [2023-11-21 18:50:28,407 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:50:28,410 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:50:28,414 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:50:28,414 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:50:28,421 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:50:28,422 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:50:28" (1/1) ... [2023-11-21 18:50:28,424 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bb20ac4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:28, skipping insertion in model container [2023-11-21 18:50:28,424 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:50:28" (1/1) ... [2023-11-21 18:50:28,576 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:50:28,870 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_ad144142-3df2-4ead-b8ee-8fe5893cf019/sv-benchmarks/c/aws-c-common/aws_array_list_clean_up_harness.i[4497,4510] [2023-11-21 18:50:28,881 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_ad144142-3df2-4ead-b8ee-8fe5893cf019/sv-benchmarks/c/aws-c-common/aws_array_list_clean_up_harness.i[4557,4570] [2023-11-21 18:50:30,328 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:50:30,332 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:50:30,333 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:50:30,336 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:50:30,337 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:50:30,358 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:50:30,359 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:50:30,360 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:50:30,361 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:50:30,363 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:50:30,364 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:50:30,364 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:50:30,365 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:50:30,930 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-21 18:50:30,932 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-21 18:50:30,933 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-21 18:50:30,934 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-21 18:50:30,941 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-21 18:50:30,942 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-21 18:50:30,943 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-21 18:50:30,944 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-21 18:50:30,945 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-21 18:50:30,946 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-21 18:50:31,149 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:50:31,156 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:50:31,207 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:50:31,242 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:50:31,257 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_ad144142-3df2-4ead-b8ee-8fe5893cf019/sv-benchmarks/c/aws-c-common/aws_array_list_clean_up_harness.i[4497,4510] [2023-11-21 18:50:31,257 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_ad144142-3df2-4ead-b8ee-8fe5893cf019/sv-benchmarks/c/aws-c-common/aws_array_list_clean_up_harness.i[4557,4570] [2023-11-21 18:50:31,311 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:50:31,312 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:50:31,312 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:50:31,313 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:50:31,314 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:50:31,321 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:50:31,322 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:50:31,323 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:50:31,324 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:50:31,325 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:50:31,326 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:50:31,327 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:50:31,327 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:50:31,366 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-21 18:50:31,368 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-21 18:50:31,369 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-21 18:50:31,370 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-21 18:50:31,380 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-21 18:50:31,381 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-21 18:50:31,382 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-21 18:50:31,383 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-21 18:50:31,383 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-21 18:50:31,384 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-21 18:50:31,413 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:50:31,423 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:50:31,438 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7529-7540] [2023-11-21 18:50:31,469 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:50:31,835 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:50:31,835 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:50:31,836 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:50:31,836 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:50:31,836 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:50:31,836 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:50:31,836 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:50:31,837 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:50:31,837 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:50:31,837 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:50:31,838 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:50:31,839 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:50:31,839 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:50:31,839 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:50:31,839 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:50:31,848 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:50:31,850 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:31 WrapperNode [2023-11-21 18:50:31,850 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:50:31,852 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:50:31,852 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:50:31,853 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:50:31,862 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:31" (1/1) ... [2023-11-21 18:50:31,966 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:31" (1/1) ... [2023-11-21 18:50:32,038 INFO L138 Inliner]: procedures = 689, calls = 1554, calls flagged for inlining = 48, calls inlined = 7, statements flattened = 578 [2023-11-21 18:50:32,038 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:50:32,039 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:50:32,039 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:50:32,040 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:50:32,050 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:31" (1/1) ... [2023-11-21 18:50:32,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:31" (1/1) ... [2023-11-21 18:50:32,060 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:31" (1/1) ... [2023-11-21 18:50:32,060 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:31" (1/1) ... [2023-11-21 18:50:32,091 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:31" (1/1) ... [2023-11-21 18:50:32,096 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:31" (1/1) ... [2023-11-21 18:50:32,103 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:31" (1/1) ... [2023-11-21 18:50:32,108 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:31" (1/1) ... [2023-11-21 18:50:32,118 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:50:32,119 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:50:32,119 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:50:32,119 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:50:32,120 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:31" (1/1) ... [2023-11-21 18:50:32,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:50:32,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad144142-3df2-4ead-b8ee-8fe5893cf019/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:50:32,175 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad144142-3df2-4ead-b8ee-8fe5893cf019/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:50:32,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad144142-3df2-4ead-b8ee-8fe5893cf019/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:50:32,223 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2023-11-21 18:50:32,223 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2023-11-21 18:50:32,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:50:32,224 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2023-11-21 18:50:32,224 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2023-11-21 18:50:32,224 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2023-11-21 18:50:32,225 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2023-11-21 18:50:32,225 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-21 18:50:32,226 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-21 18:50:32,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:50:32,227 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2023-11-21 18:50:32,227 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2023-11-21 18:50:32,227 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:50:32,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:50:32,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:50:32,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:50:32,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:50:32,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:50:32,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:50:32,229 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-21 18:50:32,229 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-21 18:50:32,229 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2023-11-21 18:50:32,229 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2023-11-21 18:50:32,230 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2023-11-21 18:50:32,230 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2023-11-21 18:50:32,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 18:50:32,230 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 18:50:32,230 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:50:32,230 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:50:32,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:50:32,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 18:50:32,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 18:50:32,232 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-21 18:50:32,232 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-21 18:50:32,232 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2023-11-21 18:50:32,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2023-11-21 18:50:32,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:50:32,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:50:32,573 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:50:32,585 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:50:33,830 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:50:34,111 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:50:34,111 INFO L308 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-21 18:50:34,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:50:34 BoogieIcfgContainer [2023-11-21 18:50:34,115 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:50:34,117 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:50:34,117 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:50:34,130 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:50:34,130 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:50:34" (1/1) ... [2023-11-21 18:50:34,145 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:50:34,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:34,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 87 states and 107 transitions. [2023-11-21 18:50:34,238 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 107 transitions. [2023-11-21 18:50:34,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-21 18:50:34,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:34,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:34,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:35,034 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-21 18:50:35,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:35,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 87 states and 104 transitions. [2023-11-21 18:50:35,190 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 104 transitions. [2023-11-21 18:50:35,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:50:35,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:35,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:35,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:36,003 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-21 18:50:36,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:36,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 91 states and 111 transitions. [2023-11-21 18:50:36,295 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 111 transitions. [2023-11-21 18:50:36,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:50:36,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:36,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:36,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:36,769 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-21 18:50:36,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:36,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 92 states and 112 transitions. [2023-11-21 18:50:36,811 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 112 transitions. [2023-11-21 18:50:36,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-21 18:50:36,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:36,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:37,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:37,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 2092 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 18:50:37,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:37,523 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-21 18:50:37,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:37,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 99 states and 121 transitions. [2023-11-21 18:50:37,725 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 121 transitions. [2023-11-21 18:50:37,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-21 18:50:37,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:37,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:38,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:38,230 INFO L262 TraceCheckSpWp]: Trace formula consists of 2095 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 18:50:38,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:38,310 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:50:38,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:38,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 101 states and 124 transitions. [2023-11-21 18:50:38,406 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 124 transitions. [2023-11-21 18:50:38,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-21 18:50:38,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:38,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:38,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:38,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 2114 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:50:38,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:38,991 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-21 18:50:39,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:39,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 104 states and 129 transitions. [2023-11-21 18:50:39,408 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 129 transitions. [2023-11-21 18:50:39,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-21 18:50:39,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:39,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:40,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:40,101 INFO L262 TraceCheckSpWp]: Trace formula consists of 2117 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-21 18:50:40,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:40,399 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-21 18:50:40,579 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:50:42,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:42,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 114 states and 149 transitions. [2023-11-21 18:50:42,182 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 149 transitions. [2023-11-21 18:50:42,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-21 18:50:42,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:42,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:42,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:42,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 2136 conjuncts, 55 conjunts are in the unsatisfiable core [2023-11-21 18:50:42,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:42,826 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-21 18:50:42,853 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2023-11-21 18:50:43,124 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:50:44,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:44,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 116 states and 154 transitions. [2023-11-21 18:50:44,150 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 154 transitions. [2023-11-21 18:50:44,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-21 18:50:44,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:44,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:44,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:44,766 INFO L262 TraceCheckSpWp]: Trace formula consists of 2155 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-21 18:50:44,771 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:45,362 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:50:47,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:47,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 118 states and 158 transitions. [2023-11-21 18:50:47,455 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 158 transitions. [2023-11-21 18:50:47,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-21 18:50:47,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:47,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:48,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:48,088 INFO L262 TraceCheckSpWp]: Trace formula consists of 2174 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:50:48,092 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:48,329 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-21 18:50:49,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:49,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 118 states and 157 transitions. [2023-11-21 18:50:49,529 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 157 transitions. [2023-11-21 18:50:49,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-21 18:50:49,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:49,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:50,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:50,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 2178 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-21 18:50:50,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:50,477 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-21 18:50:52,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:52,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 122 states and 165 transitions. [2023-11-21 18:50:52,133 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 165 transitions. [2023-11-21 18:50:52,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-21 18:50:52,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:52,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:52,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:52,690 INFO L262 TraceCheckSpWp]: Trace formula consists of 2185 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-21 18:50:52,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:53,059 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-21 18:50:54,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:54,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 126 states and 174 transitions. [2023-11-21 18:50:54,763 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 174 transitions. [2023-11-21 18:50:54,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-21 18:50:54,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:54,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:55,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:55,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 2208 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:50:55,373 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:56,190 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-21 18:50:58,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:58,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 134 states and 188 transitions. [2023-11-21 18:50:58,897 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 188 transitions. [2023-11-21 18:50:58,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-21 18:50:58,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:58,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:59,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:59,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 2192 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-21 18:50:59,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:59,727 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-21 18:51:01,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:01,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 138 states and 198 transitions. [2023-11-21 18:51:01,800 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 198 transitions. [2023-11-21 18:51:01,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-21 18:51:01,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:01,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:02,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:02,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 2245 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:51:02,392 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:02,468 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-21 18:51:02,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:02,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 139 states and 199 transitions. [2023-11-21 18:51:02,531 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 199 transitions. [2023-11-21 18:51:02,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-21 18:51:02,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:02,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:02,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:03,115 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-21 18:51:03,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:03,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 136 states and 194 transitions. [2023-11-21 18:51:03,162 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 194 transitions. [2023-11-21 18:51:03,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-21 18:51:03,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:03,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:03,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:03,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 2340 conjuncts, 69 conjunts are in the unsatisfiable core [2023-11-21 18:51:03,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:04,125 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-21 18:51:04,144 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2023-11-21 18:51:04,170 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:51:04,171 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2023-11-21 18:51:04,466 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:51:04,466 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2023-11-21 18:51:04,999 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 5 proven. 10 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-21 18:51:09,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:09,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 140 states and 207 transitions. [2023-11-21 18:51:09,587 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 207 transitions. [2023-11-21 18:51:09,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-21 18:51:09,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:09,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:10,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:10,435 INFO L262 TraceCheckSpWp]: Trace formula consists of 2359 conjuncts, 60 conjunts are in the unsatisfiable core [2023-11-21 18:51:10,440 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:10,584 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-21 18:51:10,608 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2023-11-21 18:51:10,633 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:51:10,634 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2023-11-21 18:51:10,666 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:51:10,667 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2023-11-21 18:51:10,701 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:51:10,702 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 48 treesize of output 56