./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_7552ab6d-8ad1-498e-b0b3-e96fda793f77/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7552ab6d-8ad1-498e-b0b3-e96fda793f77/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_7552ab6d-8ad1-498e-b0b3-e96fda793f77/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7552ab6d-8ad1-498e-b0b3-e96fda793f77/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7552ab6d-8ad1-498e-b0b3-e96fda793f77/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_7552ab6d-8ad1-498e-b0b3-e96fda793f77/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 c3c4a9e584379924ee65c46a83a6da8fed615179d4e8c5775609e5e7922fb6da --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:02:08,510 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:02:08,629 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7552ab6d-8ad1-498e-b0b3-e96fda793f77/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-24 23:02:08,641 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:02:08,642 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:02:08,678 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:02:08,680 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:02:08,681 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:02:08,682 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:02:08,687 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:02:08,688 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:02:08,689 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:02:08,689 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:02:08,691 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:02:08,692 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:02:08,692 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:02:08,693 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:02:08,693 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:02:08,694 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:02:08,695 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:02:08,695 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:02:08,696 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:02:08,696 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:02:08,697 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:02:08,697 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:02:08,698 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:02:08,698 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:02:08,699 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:02:08,699 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:02:08,700 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:02:08,701 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_7552ab6d-8ad1-498e-b0b3-e96fda793f77/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7552ab6d-8ad1-498e-b0b3-e96fda793f77/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3c4a9e584379924ee65c46a83a6da8fed615179d4e8c5775609e5e7922fb6da [2023-11-24 23:02:08,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:02:09,028 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:02:09,031 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:02:09,032 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:02:09,033 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:02:09,034 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7552ab6d-8ad1-498e-b0b3-e96fda793f77/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness_negated.i [2023-11-24 23:02:12,245 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:02:12,807 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:02:12,812 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7552ab6d-8ad1-498e-b0b3-e96fda793f77/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness_negated.i [2023-11-24 23:02:12,854 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7552ab6d-8ad1-498e-b0b3-e96fda793f77/bin/ukojak-verify-afCqCEvfdi/data/58023fc42/42e8abc16723469892c61199ab756d0f/FLAGa526c10bd [2023-11-24 23:02:12,871 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7552ab6d-8ad1-498e-b0b3-e96fda793f77/bin/ukojak-verify-afCqCEvfdi/data/58023fc42/42e8abc16723469892c61199ab756d0f [2023-11-24 23:02:12,874 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:02:12,875 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:02:12,877 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:02:12,877 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:02:12,882 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:02:12,883 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:02:12" (1/1) ... [2023-11-24 23:02:12,884 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3af7f03f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:12, skipping insertion in model container [2023-11-24 23:02:12,885 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:02:12" (1/1) ... [2023-11-24 23:02:13,033 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:02:13,398 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_7552ab6d-8ad1-498e-b0b3-e96fda793f77/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness_negated.i[4505,4518] [2023-11-24 23:02:13,407 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_7552ab6d-8ad1-498e-b0b3-e96fda793f77/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness_negated.i[4565,4578] [2023-11-24 23:02:14,546 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:02:14,549 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:02:14,551 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:02:14,553 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:02:14,556 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:02:14,578 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:02:14,579 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:02:14,581 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:02:14,582 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:02:15,053 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-24 23:02:15,055 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-24 23:02:15,056 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-24 23:02:15,058 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-24 23:02:15,060 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-24 23:02:15,061 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-24 23:02:15,061 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-24 23:02:15,062 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-24 23:02:15,063 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-24 23:02:15,064 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-24 23:02:15,459 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:02:15,460 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:02:15,540 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:02:15,613 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:02:15,630 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_7552ab6d-8ad1-498e-b0b3-e96fda793f77/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness_negated.i[4505,4518] [2023-11-24 23:02:15,631 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_7552ab6d-8ad1-498e-b0b3-e96fda793f77/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness_negated.i[4565,4578] [2023-11-24 23:02:15,690 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:02:15,690 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:02:15,691 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:02:15,691 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:02:15,692 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:02:15,715 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:02:15,715 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:02:15,717 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:02:15,718 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:02:15,789 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-24 23:02:15,792 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-24 23:02:15,793 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-24 23:02:15,794 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-24 23:02:15,795 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-24 23:02:15,795 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-24 23:02:15,796 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-24 23:02:15,797 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-24 23:02:15,798 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-24 23:02:15,798 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-24 23:02:15,986 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8245] [2023-11-24 23:02:15,988 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:02:15,989 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:02:16,005 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8731-8742] [2023-11-24 23:02:16,039 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:02:16,314 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:02:16,314 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:02:16,314 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:02:16,315 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:02:16,315 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:02:16,315 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:02:16,315 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:02:16,315 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:02:16,316 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:02:16,316 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:02:16,316 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:02:16,316 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:02:16,316 WARN L675 CHandler]: The function predicate is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:02:16,317 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:02:16,317 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:02:16,317 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:02:16,317 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:02:16,317 WARN L675 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:02:16,330 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:02:16,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:16 WrapperNode [2023-11-24 23:02:16,331 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:02:16,333 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:02:16,333 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:02:16,333 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:02:16,341 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:16" (1/1) ... [2023-11-24 23:02:16,477 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:16" (1/1) ... [2023-11-24 23:02:16,633 INFO L138 Inliner]: procedures = 690, calls = 2663, calls flagged for inlining = 59, calls inlined = 6, statements flattened = 929 [2023-11-24 23:02:16,636 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:02:16,636 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:02:16,637 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:02:16,637 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:02:16,648 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:16" (1/1) ... [2023-11-24 23:02:16,648 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:16" (1/1) ... [2023-11-24 23:02:16,668 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:16" (1/1) ... [2023-11-24 23:02:16,668 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:16" (1/1) ... [2023-11-24 23:02:16,757 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:16" (1/1) ... [2023-11-24 23:02:16,774 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:16" (1/1) ... [2023-11-24 23:02:16,791 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:16" (1/1) ... [2023-11-24 23:02:16,797 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:16" (1/1) ... [2023-11-24 23:02:16,816 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:02:16,821 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:02:16,822 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:02:16,822 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:02:16,823 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:16" (1/1) ... [2023-11-24 23:02:16,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:02:16,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7552ab6d-8ad1-498e-b0b3-e96fda793f77/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:02:16,857 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7552ab6d-8ad1-498e-b0b3-e96fda793f77/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:02:16,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7552ab6d-8ad1-498e-b0b3-e96fda793f77/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:02:16,910 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2023-11-24 23:02:16,911 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2023-11-24 23:02:16,911 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_compare_lexical [2023-11-24 23:02:16,911 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_compare_lexical [2023-11-24 23:02:16,911 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-24 23:02:16,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:02:16,912 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-24 23:02:16,912 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-24 23:02:16,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:02:16,912 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_bounded [2023-11-24 23:02:16,913 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_bounded [2023-11-24 23:02:16,913 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:02:16,913 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:02:16,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:02:16,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:02:16,914 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2023-11-24 23:02:16,914 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2023-11-24 23:02:16,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:02:16,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:02:16,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:02:16,915 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-24 23:02:16,915 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-24 23:02:16,915 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2023-11-24 23:02:16,915 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2023-11-24 23:02:16,916 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:02:16,916 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:02:16,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:02:16,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:02:16,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 23:02:16,917 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2023-11-24 23:02:16,917 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2023-11-24 23:02:16,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:02:16,917 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_cursor_has_allocated_buffer_member [2023-11-24 23:02:16,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_cursor_has_allocated_buffer_member [2023-11-24 23:02:16,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:02:17,237 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:02:17,241 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:02:18,692 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:02:18,961 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:02:18,961 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:02:18,963 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:18 BoogieIcfgContainer [2023-11-24 23:02:18,963 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:02:18,964 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:02:18,965 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:02:18,975 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:02:18,976 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:18" (1/1) ... [2023-11-24 23:02:18,985 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:02:19,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:19,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 120 states and 164 transitions. [2023-11-24 23:02:19,052 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 164 transitions. [2023-11-24 23:02:19,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-24 23:02:19,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:19,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:20,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:23,931 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-11-24 23:02:24,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:24,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 126 states and 176 transitions. [2023-11-24 23:02:24,821 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 176 transitions. [2023-11-24 23:02:24,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-24 23:02:24,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:24,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:25,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:28,076 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-11-24 23:02:28,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:28,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 126 states and 176 transitions. [2023-11-24 23:02:28,117 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 176 transitions. [2023-11-24 23:02:28,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-24 23:02:28,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:28,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:28,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:31,322 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-11-24 23:02:31,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:31,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 126 states and 176 transitions. [2023-11-24 23:02:31,374 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 176 transitions. [2023-11-24 23:02:31,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-24 23:02:31,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:31,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:31,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:34,282 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-11-24 23:02:34,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:34,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 126 states and 176 transitions. [2023-11-24 23:02:34,325 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 176 transitions. [2023-11-24 23:02:34,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-24 23:02:34,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:34,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:34,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:37,020 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-11-24 23:02:37,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:37,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 126 states and 176 transitions. [2023-11-24 23:02:37,058 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 176 transitions. [2023-11-24 23:02:37,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-24 23:02:37,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:37,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:37,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:39,687 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-11-24 23:02:39,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:39,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 126 states and 176 transitions. [2023-11-24 23:02:39,717 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 176 transitions. [2023-11-24 23:02:39,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-24 23:02:39,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:39,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:40,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:42,090 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-11-24 23:02:42,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:42,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 126 states and 176 transitions. [2023-11-24 23:02:42,122 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 176 transitions. [2023-11-24 23:02:42,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-24 23:02:42,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:42,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:42,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:44,412 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-11-24 23:02:44,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:44,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 126 states and 176 transitions. [2023-11-24 23:02:44,441 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 176 transitions. [2023-11-24 23:02:44,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-24 23:02:44,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:44,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:44,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:46,237 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-11-24 23:02:46,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:46,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 126 states and 176 transitions. [2023-11-24 23:02:46,265 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 176 transitions. [2023-11-24 23:02:46,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-24 23:02:46,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:46,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:46,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:47,916 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-11-24 23:02:47,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:47,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 126 states and 176 transitions. [2023-11-24 23:02:47,942 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 176 transitions. [2023-11-24 23:02:47,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-24 23:02:47,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:47,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:48,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:49,562 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-11-24 23:02:49,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:49,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 126 states and 176 transitions. [2023-11-24 23:02:49,597 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 176 transitions. [2023-11-24 23:02:49,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-24 23:02:49,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:49,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:49,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:51,369 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-11-24 23:02:51,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:51,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 126 states and 176 transitions. [2023-11-24 23:02:51,398 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 176 transitions. [2023-11-24 23:02:51,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-24 23:02:51,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:51,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:51,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:53,170 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-11-24 23:02:53,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:53,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 126 states and 176 transitions. [2023-11-24 23:02:53,199 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 176 transitions. [2023-11-24 23:02:53,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-24 23:02:53,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:53,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:53,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat