./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_linked_list_node_reset_harness.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_d6b3a1d8-187c-4652-9e5d-c0d352f27319/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b3a1d8-187c-4652-9e5d-c0d352f27319/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_d6b3a1d8-187c-4652-9e5d-c0d352f27319/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b3a1d8-187c-4652-9e5d-c0d352f27319/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_linked_list_node_reset_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b3a1d8-187c-4652-9e5d-c0d352f27319/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_d6b3a1d8-187c-4652-9e5d-c0d352f27319/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 39617118f1cddf1edf0da2bed0d1b7ba56db146c1be6da9375c591252f5b5d55 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:35:22,721 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:35:22,842 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b3a1d8-187c-4652-9e5d-c0d352f27319/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-21 18:35:22,857 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:35:22,858 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:35:22,902 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:35:22,903 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:35:22,903 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:35:22,904 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:35:22,905 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:35:22,905 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:35:22,906 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:35:22,906 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:35:22,907 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:35:22,907 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:35:22,908 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:35:22,908 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:35:22,909 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:35:22,909 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:35:22,910 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:35:22,910 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:35:22,911 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:35:22,912 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:35:22,912 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:35:22,913 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:35:22,913 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:35:22,913 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:35:22,914 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:35:22,914 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:35:22,915 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:35:22,915 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_d6b3a1d8-187c-4652-9e5d-c0d352f27319/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b3a1d8-187c-4652-9e5d-c0d352f27319/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39617118f1cddf1edf0da2bed0d1b7ba56db146c1be6da9375c591252f5b5d55 [2023-11-21 18:35:23,241 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:35:23,273 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:35:23,276 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:35:23,277 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:35:23,278 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:35:23,279 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b3a1d8-187c-4652-9e5d-c0d352f27319/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/aws-c-common/aws_linked_list_node_reset_harness.i [2023-11-21 18:35:26,209 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:35:26,768 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:35:26,769 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b3a1d8-187c-4652-9e5d-c0d352f27319/sv-benchmarks/c/aws-c-common/aws_linked_list_node_reset_harness.i [2023-11-21 18:35:26,815 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b3a1d8-187c-4652-9e5d-c0d352f27319/bin/ukojak-verify-i0I2FZA1j2/data/d5d3cd7c7/66b8d02208d1467a82e0d8b4e49f8450/FLAGbab6291f7 [2023-11-21 18:35:26,834 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b3a1d8-187c-4652-9e5d-c0d352f27319/bin/ukojak-verify-i0I2FZA1j2/data/d5d3cd7c7/66b8d02208d1467a82e0d8b4e49f8450 [2023-11-21 18:35:26,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:35:26,842 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:35:26,844 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:35:26,844 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:35:26,849 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:35:26,852 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:35:26" (1/1) ... [2023-11-21 18:35:26,853 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d82d3a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:26, skipping insertion in model container [2023-11-21 18:35:26,854 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:35:26" (1/1) ... [2023-11-21 18:35:26,978 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:35:27,296 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_d6b3a1d8-187c-4652-9e5d-c0d352f27319/sv-benchmarks/c/aws-c-common/aws_linked_list_node_reset_harness.i[4500,4513] [2023-11-21 18:35:27,304 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_d6b3a1d8-187c-4652-9e5d-c0d352f27319/sv-benchmarks/c/aws-c-common/aws_linked_list_node_reset_harness.i[4560,4573] [2023-11-21 18:35:28,328 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:35:28,330 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:35:28,331 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:35:28,334 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:35:28,339 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:35:28,355 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:35:28,356 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:35:28,358 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:35:28,359 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:35:28,361 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:35:28,362 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:35:28,363 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:35:28,365 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:35:28,874 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-21 18:35:28,875 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-21 18:35:28,876 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-21 18:35:28,878 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-21 18:35:28,879 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-21 18:35:28,880 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-21 18:35:28,881 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-21 18:35:28,881 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-21 18:35:28,882 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-21 18:35:28,883 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-21 18:35:29,097 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:35:29,115 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:35:29,165 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_d6b3a1d8-187c-4652-9e5d-c0d352f27319/sv-benchmarks/c/aws-c-common/aws_linked_list_node_reset_harness.i[4500,4513] [2023-11-21 18:35:29,175 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_d6b3a1d8-187c-4652-9e5d-c0d352f27319/sv-benchmarks/c/aws-c-common/aws_linked_list_node_reset_harness.i[4560,4573] [2023-11-21 18:35:29,245 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:35:29,246 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:35:29,246 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:35:29,251 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:35:29,252 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:35:29,262 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:35:29,263 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:35:29,264 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:35:29,265 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:35:29,266 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:35:29,267 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:35:29,267 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:35:29,268 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:35:29,304 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-21 18:35:29,305 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-21 18:35:29,306 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-21 18:35:29,307 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-21 18:35:29,308 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-21 18:35:29,308 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-21 18:35:29,309 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-21 18:35:29,309 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-21 18:35:29,310 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-21 18:35:29,311 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-21 18:35:29,347 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:35:29,625 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:35:29,626 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:35:29,626 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:35:29,626 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:35:29,626 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:35:29,626 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:35:29,627 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:35:29,627 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:35:29,627 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:35:29,627 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:35:29,627 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:35:29,628 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:35:29,628 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:35:29,628 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:35:29,628 WARN L675 CHandler]: The function aws_array_list_ensure_capacity is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:35:29,637 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:35:29,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:29 WrapperNode [2023-11-21 18:35:29,637 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:35:29,639 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:35:29,639 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:35:29,639 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:35:29,648 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:29" (1/1) ... [2023-11-21 18:35:29,717 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:29" (1/1) ... [2023-11-21 18:35:29,758 INFO L138 Inliner]: procedures = 678, calls = 1032, calls flagged for inlining = 48, calls inlined = 3, statements flattened = 27 [2023-11-21 18:35:29,759 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:35:29,760 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:35:29,760 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:35:29,760 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:35:29,807 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:29" (1/1) ... [2023-11-21 18:35:29,807 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:29" (1/1) ... [2023-11-21 18:35:29,811 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:29" (1/1) ... [2023-11-21 18:35:29,811 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:29" (1/1) ... [2023-11-21 18:35:29,838 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:29" (1/1) ... [2023-11-21 18:35:29,842 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:29" (1/1) ... [2023-11-21 18:35:29,846 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:29" (1/1) ... [2023-11-21 18:35:29,850 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:29" (1/1) ... [2023-11-21 18:35:29,868 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:35:29,869 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:35:29,869 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:35:29,870 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:35:29,871 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:29" (1/1) ... [2023-11-21 18:35:29,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:35:29,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b3a1d8-187c-4652-9e5d-c0d352f27319/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:35:29,949 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b3a1d8-187c-4652-9e5d-c0d352f27319/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:35:29,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b3a1d8-187c-4652-9e5d-c0d352f27319/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:35:29,998 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_node_reset [2023-11-21 18:35:29,998 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_node_reset [2023-11-21 18:35:29,998 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2023-11-21 18:35:29,999 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2023-11-21 18:35:29,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:35:29,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:35:29,999 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:35:29,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:35:29,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:35:29,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:35:29,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:35:30,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 18:35:30,001 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 18:35:30,001 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:35:30,001 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:35:30,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:35:30,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 18:35:30,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:35:30,264 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:35:30,267 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:35:30,460 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:35:30,530 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:35:30,530 INFO L308 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-21 18:35:30,532 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:35:30 BoogieIcfgContainer [2023-11-21 18:35:30,533 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:35:30,534 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:35:30,534 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:35:30,545 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:35:30,545 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:35:30" (1/1) ... [2023-11-21 18:35:30,556 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:35:30,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:30,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 31 states and 38 transitions. [2023-11-21 18:35:30,624 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2023-11-21 18:35:30,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:35:30,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:30,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:30,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:30,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:35:31,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:31,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 31 states and 35 transitions. [2023-11-21 18:35:31,030 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2023-11-21 18:35:31,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:35:31,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:31,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:31,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:31,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:35:31,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:31,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 36 states and 43 transitions. [2023-11-21 18:35:31,556 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 43 transitions. [2023-11-21 18:35:31,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:35:31,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:31,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:31,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:31,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:35:31,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:31,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 38 states and 46 transitions. [2023-11-21 18:35:31,961 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2023-11-21 18:35:31,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:35:31,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:31,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:32,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:32,489 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:35:33,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:33,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 40 states and 51 transitions. [2023-11-21 18:35:33,058 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2023-11-21 18:35:33,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:35:33,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:33,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:33,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:33,469 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:35:33,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:33,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 42 states and 54 transitions. [2023-11-21 18:35:33,899 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 54 transitions. [2023-11-21 18:35:33,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:35:33,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:33,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:33,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:34,411 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:35:35,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:35,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 45 states and 61 transitions. [2023-11-21 18:35:35,426 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 61 transitions. [2023-11-21 18:35:35,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:35:35,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:35,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:35,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:36,002 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:35:36,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:36,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 46 states and 62 transitions. [2023-11-21 18:35:36,478 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 62 transitions. [2023-11-21 18:35:36,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:35:36,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:36,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:36,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:37,015 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:35:37,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:37,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 47 states and 63 transitions. [2023-11-21 18:35:37,485 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 63 transitions. [2023-11-21 18:35:37,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:35:37,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:37,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:37,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:38,152 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:35:38,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:38,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 48 states and 64 transitions. [2023-11-21 18:35:38,611 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 64 transitions. [2023-11-21 18:35:38,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:35:38,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:38,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:38,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:39,151 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:35:39,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:39,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 49 states and 65 transitions. [2023-11-21 18:35:39,438 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2023-11-21 18:35:39,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:35:39,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:39,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:39,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:39,955 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:35:40,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:40,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2023-11-21 18:35:40,241 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2023-11-21 18:35:40,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:35:40,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:40,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:40,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:40,820 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:35:41,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:41,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 51 states and 67 transitions. [2023-11-21 18:35:41,117 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 67 transitions. [2023-11-21 18:35:41,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:35:41,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:41,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:41,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:41,682 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:35:41,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:41,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 52 states and 68 transitions. [2023-11-21 18:35:41,991 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 68 transitions. [2023-11-21 18:35:41,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:35:41,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:41,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:42,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:42,608 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:35:42,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:42,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 53 states and 69 transitions. [2023-11-21 18:35:42,955 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 69 transitions. [2023-11-21 18:35:42,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:35:42,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:42,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:43,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:43,642 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:35:43,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:43,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 54 states and 70 transitions. [2023-11-21 18:35:43,991 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2023-11-21 18:35:43,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:35:43,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:43,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:44,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:45,416 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:35:46,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:46,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 55 states and 71 transitions. [2023-11-21 18:35:46,787 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 71 transitions. [2023-11-21 18:35:46,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:35:46,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:46,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:46,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:47,663 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:35:48,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:48,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 56 states and 72 transitions. [2023-11-21 18:35:48,413 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 72 transitions. [2023-11-21 18:35:48,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:35:48,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:48,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:48,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:50,657 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:35:52,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:52,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 57 states and 73 transitions. [2023-11-21 18:35:52,840 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 73 transitions. [2023-11-21 18:35:52,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:35:52,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:52,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:52,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:58,961 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 92 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:36:10,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:10,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 61 states and 83 transitions. [2023-11-21 18:36:10,329 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 83 transitions. [2023-11-21 18:36:10,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:36:10,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:10,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:10,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat