./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_f20c9143-0f35-4163-a58b-65182977406f/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20c9143-0f35-4163-a58b-65182977406f/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20c9143-0f35-4163-a58b-65182977406f/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20c9143-0f35-4163-a58b-65182977406f/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20c9143-0f35-4163-a58b-65182977406f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20c9143-0f35-4163-a58b-65182977406f/bin/ukojak-verify-afCqCEvfdi --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 33ea2a815d3ee319237562a4f44f4c58bc4a24bd2ff234245c80f52d85079eb0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:58:43,634 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:58:43,730 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20c9143-0f35-4163-a58b-65182977406f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-24 22:58:43,735 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:58:43,736 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:58:43,765 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:58:43,766 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:58:43,768 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:58:43,769 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:58:43,776 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:58:43,777 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:58:43,777 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:58:43,778 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:58:43,780 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:58:43,780 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:58:43,781 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:58:43,781 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:58:43,782 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:58:43,782 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:58:43,783 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:58:43,784 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:58:43,785 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:58:43,786 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:58:43,786 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:58:43,787 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:58:43,787 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:58:43,788 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:58:43,788 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:58:43,789 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:58:43,789 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:58:43,791 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_f20c9143-0f35-4163-a58b-65182977406f/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20c9143-0f35-4163-a58b-65182977406f/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33ea2a815d3ee319237562a4f44f4c58bc4a24bd2ff234245c80f52d85079eb0 [2023-11-24 22:58:44,099 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:58:44,124 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:58:44,127 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:58:44,129 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:58:44,129 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:58:44,131 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20c9143-0f35-4163-a58b-65182977406f/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness_negated.i [2023-11-24 22:58:47,256 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:58:47,828 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:58:47,829 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20c9143-0f35-4163-a58b-65182977406f/sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness_negated.i [2023-11-24 22:58:47,881 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20c9143-0f35-4163-a58b-65182977406f/bin/ukojak-verify-afCqCEvfdi/data/195dbe1c6/ef337e3260b344d4a39314d151dc51bb/FLAGf86ebdf7f [2023-11-24 22:58:47,898 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20c9143-0f35-4163-a58b-65182977406f/bin/ukojak-verify-afCqCEvfdi/data/195dbe1c6/ef337e3260b344d4a39314d151dc51bb [2023-11-24 22:58:47,903 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:58:47,907 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:58:47,908 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:58:47,909 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:58:47,916 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:58:47,919 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:58:47" (1/1) ... [2023-11-24 22:58:47,920 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2225000f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:47, skipping insertion in model container [2023-11-24 22:58:47,920 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:58:47" (1/1) ... [2023-11-24 22:58:48,058 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:58:48,334 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_f20c9143-0f35-4163-a58b-65182977406f/sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness_negated.i[4498,4511] [2023-11-24 22:58:48,343 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_f20c9143-0f35-4163-a58b-65182977406f/sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness_negated.i[4558,4571] [2023-11-24 22:58:49,697 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 22:58:49,698 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 22:58:49,700 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 22:58:49,701 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 22:58:49,703 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 22:58:49,739 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 22:58:49,742 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 22:58:49,744 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 22:58:49,747 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 22:58:50,415 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-24 22:58:50,416 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-24 22:58:50,418 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-24 22:58:50,420 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-24 22:58:50,422 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-24 22:58:50,422 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-24 22:58:50,423 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-24 22:58:50,424 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-24 22:58:50,426 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-24 22:58:50,429 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-24 22:58:50,833 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 22:58:50,834 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 22:58:50,969 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:58:51,080 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:58:51,110 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_f20c9143-0f35-4163-a58b-65182977406f/sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness_negated.i[4498,4511] [2023-11-24 22:58:51,110 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_f20c9143-0f35-4163-a58b-65182977406f/sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness_negated.i[4558,4571] [2023-11-24 22:58:51,162 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 22:58:51,163 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 22:58:51,163 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 22:58:51,164 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 22:58:51,165 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 22:58:51,173 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 22:58:51,173 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 22:58:51,175 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 22:58:51,175 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 22:58:51,216 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-24 22:58:51,217 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-24 22:58:51,218 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-24 22:58:51,219 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-24 22:58:51,220 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-24 22:58:51,221 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-24 22:58:51,222 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-24 22:58:51,223 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-24 22:58:51,224 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-24 22:58:51,225 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-24 22:58:51,317 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2023-11-24 22:58:51,320 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 22:58:51,320 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 22:58:51,351 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8963-8974] [2023-11-24 22:58:51,364 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:58:51,694 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:58:51,695 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:58:51,695 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:58:51,695 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:58:51,695 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:58:51,695 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:58:51,696 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:58:51,696 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:58:51,697 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:58:51,698 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:58:51,698 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:58:51,698 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:58:51,698 WARN L675 CHandler]: The function predicate is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:58:51,698 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:58:51,699 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:58:51,699 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:58:51,700 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:58:51,700 WARN L675 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:58:51,708 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:58:51,710 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:51 WrapperNode [2023-11-24 22:58:51,710 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:58:51,712 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:58:51,712 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:58:51,713 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:58:51,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:51" (1/1) ... [2023-11-24 22:58:51,899 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:51" (1/1) ... [2023-11-24 22:58:51,983 INFO L138 Inliner]: procedures = 690, calls = 2881, calls flagged for inlining = 56, calls inlined = 6, statements flattened = 818 [2023-11-24 22:58:51,983 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:58:51,984 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:58:51,984 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:58:51,984 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:58:52,004 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:51" (1/1) ... [2023-11-24 22:58:52,005 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:51" (1/1) ... [2023-11-24 22:58:52,013 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:51" (1/1) ... [2023-11-24 22:58:52,018 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:51" (1/1) ... [2023-11-24 22:58:52,083 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:51" (1/1) ... [2023-11-24 22:58:52,102 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:51" (1/1) ... [2023-11-24 22:58:52,111 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:51" (1/1) ... [2023-11-24 22:58:52,123 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:51" (1/1) ... [2023-11-24 22:58:52,142 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:58:52,147 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:58:52,147 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:58:52,147 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:58:52,148 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:51" (1/1) ... [2023-11-24 22:58:52,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:58:52,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20c9143-0f35-4163-a58b-65182977406f/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:58:52,186 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20c9143-0f35-4163-a58b-65182977406f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:58:52,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f20c9143-0f35-4163-a58b-65182977406f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:58:52,243 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_store_n [2023-11-24 22:58:52,243 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_load_n [2023-11-24 22:58:52,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:58:52,243 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2023-11-24 22:58:52,243 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2023-11-24 22:58:52,244 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:58:52,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:58:52,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:58:52,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:58:52,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:58:52,245 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2023-11-24 22:58:52,246 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2023-11-24 22:58:52,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:58:52,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:58:52,247 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-24 22:58:52,247 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-24 22:58:52,247 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2023-11-24 22:58:52,247 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2023-11-24 22:58:52,248 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2023-11-24 22:58:52,248 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2023-11-24 22:58:52,248 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2023-11-24 22:58:52,248 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2023-11-24 22:58:52,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-24 22:58:52,249 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-24 22:58:52,249 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:58:52,250 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:58:52,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:58:52,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:58:52,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 22:58:52,250 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2023-11-24 22:58:52,250 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2023-11-24 22:58:52,251 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-24 22:58:52,251 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-24 22:58:52,251 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2023-11-24 22:58:52,251 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2023-11-24 22:58:52,251 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2023-11-24 22:58:52,252 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2023-11-24 22:58:52,252 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2023-11-24 22:58:52,253 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2023-11-24 22:58:52,253 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2023-11-24 22:58:52,253 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2023-11-24 22:58:52,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:58:52,610 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:58:52,613 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:58:54,160 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:58:54,425 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:58:54,425 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:58:54,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:58:54 BoogieIcfgContainer [2023-11-24 22:58:54,428 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:58:54,429 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:58:54,430 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:58:54,440 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:58:54,440 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:58:54" (1/1) ... [2023-11-24 22:58:54,451 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:58:54,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:54,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 111 states and 139 transitions. [2023-11-24 22:58:54,526 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 139 transitions. [2023-11-24 22:58:54,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-24 22:58:54,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:54,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:54,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:55,960 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 22:58:56,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:56,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 117 states and 148 transitions. [2023-11-24 22:58:56,315 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 148 transitions. [2023-11-24 22:58:56,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-24 22:58:56,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:56,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:56,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:57,200 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:58:57,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:57,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 119 states and 159 transitions. [2023-11-24 22:58:57,622 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 159 transitions. [2023-11-24 22:58:57,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-24 22:58:57,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:57,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:57,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:58,593 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:58:59,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:59,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 121 states and 167 transitions. [2023-11-24 22:58:59,283 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 167 transitions. [2023-11-24 22:58:59,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-24 22:58:59,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:59,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:59,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:59,923 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-24 22:59:00,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:00,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 111 states and 140 transitions. [2023-11-24 22:59:00,041 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 140 transitions. [2023-11-24 22:59:00,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-24 22:59:00,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:00,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:00,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:01,050 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2023-11-24 22:59:01,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:01,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 113 states and 137 transitions. [2023-11-24 22:59:01,782 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 137 transitions. [2023-11-24 22:59:01,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-24 22:59:01,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:01,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:01,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:02,764 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2023-11-24 22:59:03,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:03,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 115 states and 135 transitions. [2023-11-24 22:59:03,605 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 135 transitions. [2023-11-24 22:59:03,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-11-24 22:59:03,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:03,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:03,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:07,374 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-24 22:59:08,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:08,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 124 states and 159 transitions. [2023-11-24 22:59:08,631 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 159 transitions. [2023-11-24 22:59:08,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-11-24 22:59:08,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:08,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:09,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:10,367 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-24 22:59:11,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:11,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 127 states and 167 transitions. [2023-11-24 22:59:11,826 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 167 transitions. [2023-11-24 22:59:11,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2023-11-24 22:59:11,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:11,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:12,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:13,105 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-24 22:59:14,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:14,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 129 states and 174 transitions. [2023-11-24 22:59:14,359 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 174 transitions. [2023-11-24 22:59:14,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-11-24 22:59:14,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:14,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:14,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:16,064 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-24 22:59:17,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:17,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 130 states and 177 transitions. [2023-11-24 22:59:17,626 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 177 transitions. [2023-11-24 22:59:17,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-11-24 22:59:17,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:17,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:17,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:18,952 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-24 22:59:19,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:19,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 131 states and 178 transitions. [2023-11-24 22:59:19,557 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 178 transitions. [2023-11-24 22:59:19,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-11-24 22:59:19,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:19,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:19,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:21,345 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-24 22:59:22,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:22,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 132 states and 181 transitions. [2023-11-24 22:59:22,261 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 181 transitions. [2023-11-24 22:59:22,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-11-24 22:59:22,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:22,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:22,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:23,546 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-24 22:59:24,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:24,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 133 states and 182 transitions. [2023-11-24 22:59:24,139 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 182 transitions. [2023-11-24 22:59:24,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2023-11-24 22:59:24,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:24,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:24,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:25,901 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-24 22:59:26,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:26,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 134 states and 185 transitions. [2023-11-24 22:59:26,798 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 185 transitions. [2023-11-24 22:59:26,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2023-11-24 22:59:26,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:26,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:27,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat