./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dcd889-c189-4bdc-a6a8-b2c3c43da71b/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dcd889-c189-4bdc-a6a8-b2c3c43da71b/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_f2dcd889-c189-4bdc-a6a8-b2c3c43da71b/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dcd889-c189-4bdc-a6a8-b2c3c43da71b/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dcd889-c189-4bdc-a6a8-b2c3c43da71b/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_f2dcd889-c189-4bdc-a6a8-b2c3c43da71b/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 9e160fe5ab2582a9d6f5a0de6f18c7ad864793aa408f2050ff0148a78c40a3b1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:51:05,937 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:51:06,082 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dcd889-c189-4bdc-a6a8-b2c3c43da71b/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-21 18:51:06,090 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:51:06,091 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:51:06,119 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:51:06,120 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:51:06,121 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:51:06,122 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:51:06,123 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:51:06,124 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:51:06,125 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:51:06,125 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:51:06,126 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:51:06,127 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:51:06,127 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:51:06,128 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:51:06,138 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:51:06,139 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:51:06,140 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:51:06,142 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:51:06,143 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:51:06,144 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:51:06,146 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:51:06,147 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:51:06,148 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:51:06,148 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:51:06,149 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:51:06,150 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:51:06,150 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:51:06,152 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_f2dcd889-c189-4bdc-a6a8-b2c3c43da71b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dcd889-c189-4bdc-a6a8-b2c3c43da71b/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e160fe5ab2582a9d6f5a0de6f18c7ad864793aa408f2050ff0148a78c40a3b1 [2023-11-21 18:51:06,496 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:51:06,545 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:51:06,549 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:51:06,551 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:51:06,553 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:51:06,555 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dcd889-c189-4bdc-a6a8-b2c3c43da71b/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness_negated.i [2023-11-21 18:51:09,955 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:51:10,547 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:51:10,547 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dcd889-c189-4bdc-a6a8-b2c3c43da71b/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness_negated.i [2023-11-21 18:51:10,599 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dcd889-c189-4bdc-a6a8-b2c3c43da71b/bin/ukojak-verify-i0I2FZA1j2/data/f39921208/b0e8af7470134bc480a47d5bf834953e/FLAG9afb11c73 [2023-11-21 18:51:10,616 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dcd889-c189-4bdc-a6a8-b2c3c43da71b/bin/ukojak-verify-i0I2FZA1j2/data/f39921208/b0e8af7470134bc480a47d5bf834953e [2023-11-21 18:51:10,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:51:10,621 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:51:10,623 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:51:10,623 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:51:10,630 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:51:10,631 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:51:10" (1/1) ... [2023-11-21 18:51:10,632 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a731f2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:10, skipping insertion in model container [2023-11-21 18:51:10,633 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:51:10" (1/1) ... [2023-11-21 18:51:10,794 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:51:11,187 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_f2dcd889-c189-4bdc-a6a8-b2c3c43da71b/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness_negated.i[4494,4507] [2023-11-21 18:51:11,198 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_f2dcd889-c189-4bdc-a6a8-b2c3c43da71b/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness_negated.i[4554,4567] [2023-11-21 18:51:12,511 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:12,512 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:12,513 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:12,514 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:12,516 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:12,542 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:12,543 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:12,546 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:12,547 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:12,550 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:12,551 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:12,552 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:12,553 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:13,083 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-21 18:51:13,085 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-21 18:51:13,086 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-21 18:51:13,088 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-21 18:51:13,090 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-21 18:51:13,091 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-21 18:51:13,092 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-21 18:51:13,093 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-21 18:51:13,095 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-21 18:51:13,096 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-21 18:51:13,337 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:13,359 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:13,456 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:51:13,501 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:51:13,520 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_f2dcd889-c189-4bdc-a6a8-b2c3c43da71b/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness_negated.i[4494,4507] [2023-11-21 18:51:13,521 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_f2dcd889-c189-4bdc-a6a8-b2c3c43da71b/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness_negated.i[4554,4567] [2023-11-21 18:51:13,587 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:13,588 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:13,588 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:13,589 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:13,590 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:13,599 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:13,600 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:13,602 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:13,602 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:13,604 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:13,605 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:13,606 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:13,606 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:13,657 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-21 18:51:13,658 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-21 18:51:13,659 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-21 18:51:13,661 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-21 18:51:13,662 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-21 18:51:13,663 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-21 18:51:13,664 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-21 18:51:13,665 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-21 18:51:13,666 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-21 18:51:13,667 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-21 18:51:13,709 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:13,721 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:13,734 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7517-7528] [2023-11-21 18:51:13,774 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:51:14,222 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:51:14,222 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:51:14,223 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:51:14,223 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:51:14,223 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:51:14,223 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:51:14,223 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:51:14,223 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:51:14,224 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:51:14,224 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:51:14,224 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:51:14,225 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:51:14,225 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:51:14,226 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:51:14,226 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:51:14,234 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:51:14,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:14 WrapperNode [2023-11-21 18:51:14,237 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:51:14,238 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:51:14,239 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:51:14,240 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:51:14,248 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:14" (1/1) ... [2023-11-21 18:51:14,358 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:14" (1/1) ... [2023-11-21 18:51:14,455 INFO L138 Inliner]: procedures = 689, calls = 1580, calls flagged for inlining = 46, calls inlined = 6, statements flattened = 586 [2023-11-21 18:51:14,462 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:51:14,463 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:51:14,463 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:51:14,463 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:51:14,473 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:14" (1/1) ... [2023-11-21 18:51:14,473 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:14" (1/1) ... [2023-11-21 18:51:14,494 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:14" (1/1) ... [2023-11-21 18:51:14,495 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:14" (1/1) ... [2023-11-21 18:51:14,553 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:14" (1/1) ... [2023-11-21 18:51:14,556 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:14" (1/1) ... [2023-11-21 18:51:14,562 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:14" (1/1) ... [2023-11-21 18:51:14,566 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:14" (1/1) ... [2023-11-21 18:51:14,575 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:51:14,576 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:51:14,576 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:51:14,576 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:51:14,591 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:14" (1/1) ... [2023-11-21 18:51:14,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:51:14,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dcd889-c189-4bdc-a6a8-b2c3c43da71b/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:51:14,620 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dcd889-c189-4bdc-a6a8-b2c3c43da71b/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:51:14,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dcd889-c189-4bdc-a6a8-b2c3c43da71b/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:51:14,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:51:14,662 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2023-11-21 18:51:14,662 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2023-11-21 18:51:14,662 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2023-11-21 18:51:14,663 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2023-11-21 18:51:14,676 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-21 18:51:14,677 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-21 18:51:14,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:51:14,679 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2023-11-21 18:51:14,679 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2023-11-21 18:51:14,680 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:51:14,680 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:51:14,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:51:14,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:51:14,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:51:14,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:51:14,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:51:14,681 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-21 18:51:14,681 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-21 18:51:14,682 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2023-11-21 18:51:14,682 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2023-11-21 18:51:14,682 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:51:14,682 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:51:14,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:51:14,682 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_clear [2023-11-21 18:51:14,683 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_clear [2023-11-21 18:51:14,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 18:51:14,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 18:51:14,683 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-21 18:51:14,683 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-21 18:51:14,683 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2023-11-21 18:51:14,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2023-11-21 18:51:14,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:51:14,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:51:14,960 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:51:14,962 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:51:16,161 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:51:16,421 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:51:16,422 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:51:16,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:51:16 BoogieIcfgContainer [2023-11-21 18:51:16,424 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:51:16,426 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:51:16,426 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:51:16,436 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:51:16,437 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:51:16" (1/1) ... [2023-11-21 18:51:16,448 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:51:16,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:16,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 78 states and 96 transitions. [2023-11-21 18:51:16,523 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 96 transitions. [2023-11-21 18:51:16,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:51:16,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:16,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:17,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:17,723 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:51:17,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:17,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 82 states and 104 transitions. [2023-11-21 18:51:17,995 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 104 transitions. [2023-11-21 18:51:17,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:51:18,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:18,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:18,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:18,538 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:51:18,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:18,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 83 states and 105 transitions. [2023-11-21 18:51:18,583 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 105 transitions. [2023-11-21 18:51:18,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:51:18,594 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:18,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:18,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:19,091 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:51:19,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:19,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 80 states and 100 transitions. [2023-11-21 18:51:19,131 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 100 transitions. [2023-11-21 18:51:19,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:51:19,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:19,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:19,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:19,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 2122 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:51:19,764 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:20,008 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-21 18:51:20,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:20,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 87 states and 112 transitions. [2023-11-21 18:51:20,531 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 112 transitions. [2023-11-21 18:51:20,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-21 18:51:20,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:20,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:21,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:21,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 2254 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:51:21,087 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:21,165 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-21 18:51:21,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:21,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 90 states and 117 transitions. [2023-11-21 18:51:21,220 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 117 transitions. [2023-11-21 18:51:21,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:51:21,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:21,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:21,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:21,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 2159 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:51:21,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:21,959 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-21 18:51:22,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:22,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 91 states and 118 transitions. [2023-11-21 18:51:22,020 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 118 transitions. [2023-11-21 18:51:22,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-21 18:51:22,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:22,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:22,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:22,575 INFO L262 TraceCheckSpWp]: Trace formula consists of 2171 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:51:22,580 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:22,650 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-21 18:51:22,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:22,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 80 states and 98 transitions. [2023-11-21 18:51:22,693 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 98 transitions. [2023-11-21 18:51:22,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-21 18:51:22,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:22,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:33,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-21 18:51:33,310 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-21 18:51:33,313 INFO L158 Benchmark]: Toolchain (without parser) took 22691.13ms. Allocated memory was 203.4MB in the beginning and 325.1MB in the end (delta: 121.6MB). Free memory was 154.6MB in the beginning and 214.9MB in the end (delta: -60.2MB). Peak memory consumption was 62.7MB. Max. memory is 16.1GB. [2023-11-21 18:51:33,313 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 151.0MB. Free memory is still 95.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:51:33,314 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3614.22ms. Allocated memory is still 203.4MB. Free memory was 154.6MB in the beginning and 97.3MB in the end (delta: 57.4MB). Peak memory consumption was 125.6MB. Max. memory is 16.1GB. [2023-11-21 18:51:33,315 INFO L158 Benchmark]: Boogie Procedure Inliner took 223.96ms. Allocated memory is still 203.4MB. Free memory was 97.3MB in the beginning and 88.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-21 18:51:33,316 INFO L158 Benchmark]: Boogie Preprocessor took 112.37ms. Allocated memory is still 203.4MB. Free memory was 88.9MB in the beginning and 83.6MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 18:51:33,316 INFO L158 Benchmark]: RCFGBuilder took 1848.44ms. Allocated memory was 203.4MB in the beginning and 270.5MB in the end (delta: 67.1MB). Free memory was 83.6MB in the beginning and 177.5MB in the end (delta: -93.8MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2023-11-21 18:51:33,317 INFO L158 Benchmark]: CodeCheck took 16885.96ms. Allocated memory was 270.5MB in the beginning and 325.1MB in the end (delta: 54.5MB). Free memory was 177.5MB in the beginning and 214.9MB in the end (delta: -37.4MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2023-11-21 18:51:33,321 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 151.0MB. Free memory is still 95.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3614.22ms. Allocated memory is still 203.4MB. Free memory was 154.6MB in the beginning and 97.3MB in the end (delta: 57.4MB). Peak memory consumption was 125.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 223.96ms. Allocated memory is still 203.4MB. Free memory was 97.3MB in the beginning and 88.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 112.37ms. Allocated memory is still 203.4MB. Free memory was 88.9MB in the beginning and 83.6MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1848.44ms. Allocated memory was 203.4MB in the beginning and 270.5MB in the end (delta: 67.1MB). Free memory was 83.6MB in the beginning and 177.5MB in the end (delta: -93.8MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. * CodeCheck took 16885.96ms. Allocated memory was 270.5MB in the beginning and 325.1MB in the end (delta: 54.5MB). Free memory was 177.5MB in the beginning and 214.9MB in the end (delta: -37.4MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 7517]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7517-7528] RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:51:33,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dcd889-c189-4bdc-a6a8-b2c3c43da71b/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_f2dcd889-c189-4bdc-a6a8-b2c3c43da71b/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dcd889-c189-4bdc-a6a8-b2c3c43da71b/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_f2dcd889-c189-4bdc-a6a8-b2c3c43da71b/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dcd889-c189-4bdc-a6a8-b2c3c43da71b/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dcd889-c189-4bdc-a6a8-b2c3c43da71b/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dcd889-c189-4bdc-a6a8-b2c3c43da71b/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 9e160fe5ab2582a9d6f5a0de6f18c7ad864793aa408f2050ff0148a78c40a3b1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:51:35,989 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:51:36,105 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dcd889-c189-4bdc-a6a8-b2c3c43da71b/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-11-21 18:51:36,167 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:51:36,168 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:51:36,169 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:51:36,170 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:51:36,171 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:51:36,172 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:51:36,177 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:51:36,177 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:51:36,177 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:51:36,178 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:51:36,180 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:51:36,180 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:51:36,181 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:51:36,181 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:51:36,181 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:51:36,182 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:51:36,183 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:51:36,183 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:51:36,184 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:51:36,184 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:51:36,184 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:51:36,185 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:51:36,185 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:51:36,186 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:51:36,186 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:51:36,186 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:51:36,187 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:51:36,188 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:51:36,188 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:51:36,189 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:51:36,189 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:51:36,189 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_f2dcd889-c189-4bdc-a6a8-b2c3c43da71b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dcd889-c189-4bdc-a6a8-b2c3c43da71b/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e160fe5ab2582a9d6f5a0de6f18c7ad864793aa408f2050ff0148a78c40a3b1 [2023-11-21 18:51:36,649 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:51:36,685 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:51:36,688 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:51:36,689 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:51:36,690 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:51:36,691 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dcd889-c189-4bdc-a6a8-b2c3c43da71b/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness_negated.i [2023-11-21 18:51:39,816 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:51:40,433 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:51:40,434 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dcd889-c189-4bdc-a6a8-b2c3c43da71b/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness_negated.i [2023-11-21 18:51:40,471 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dcd889-c189-4bdc-a6a8-b2c3c43da71b/bin/ukojak-verify-i0I2FZA1j2/data/3fd2c4b3e/1404c587d75d4e8ab653989e9598c5b0/FLAG6b4fb747b [2023-11-21 18:51:40,494 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dcd889-c189-4bdc-a6a8-b2c3c43da71b/bin/ukojak-verify-i0I2FZA1j2/data/3fd2c4b3e/1404c587d75d4e8ab653989e9598c5b0 [2023-11-21 18:51:40,502 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:51:40,504 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:51:40,508 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:51:40,508 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:51:40,514 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:51:40,516 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:51:40" (1/1) ... [2023-11-21 18:51:40,517 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64729f27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:40, skipping insertion in model container [2023-11-21 18:51:40,518 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:51:40" (1/1) ... [2023-11-21 18:51:40,653 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:51:40,950 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_f2dcd889-c189-4bdc-a6a8-b2c3c43da71b/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness_negated.i[4494,4507] [2023-11-21 18:51:40,959 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_f2dcd889-c189-4bdc-a6a8-b2c3c43da71b/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness_negated.i[4554,4567] [2023-11-21 18:51:41,983 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:41,984 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:41,985 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:41,985 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:41,987 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:42,002 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:42,002 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:42,005 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:42,006 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:42,008 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:42,009 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:42,010 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:42,010 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:42,422 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-21 18:51:42,424 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-21 18:51:42,425 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-21 18:51:42,427 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-21 18:51:42,429 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-21 18:51:42,430 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-21 18:51:42,431 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-21 18:51:42,432 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-21 18:51:42,433 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-21 18:51:42,436 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-21 18:51:42,662 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:42,689 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:42,770 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:51:42,815 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-21 18:51:42,860 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:51:42,865 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_f2dcd889-c189-4bdc-a6a8-b2c3c43da71b/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness_negated.i[4494,4507] [2023-11-21 18:51:42,866 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_f2dcd889-c189-4bdc-a6a8-b2c3c43da71b/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness_negated.i[4554,4567] [2023-11-21 18:51:42,923 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:42,923 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:42,924 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:42,924 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:42,925 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:42,933 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:42,934 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:42,935 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:42,936 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:42,937 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:42,938 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:42,939 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:42,939 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:42,982 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-21 18:51:42,983 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-21 18:51:42,984 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-21 18:51:42,985 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-21 18:51:42,986 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-21 18:51:42,987 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-21 18:51:42,987 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-21 18:51:42,988 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-21 18:51:42,988 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-21 18:51:42,989 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-21 18:51:43,009 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:43,016 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:43,051 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:51:43,089 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:51:43,115 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_f2dcd889-c189-4bdc-a6a8-b2c3c43da71b/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness_negated.i[4494,4507] [2023-11-21 18:51:43,116 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_f2dcd889-c189-4bdc-a6a8-b2c3c43da71b/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness_negated.i[4554,4567] [2023-11-21 18:51:43,221 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:43,222 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:43,222 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:43,223 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:43,224 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:43,230 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:43,231 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:43,232 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:43,232 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:43,233 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:43,234 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:43,235 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:43,235 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:43,271 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-21 18:51:43,271 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-21 18:51:43,272 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-21 18:51:43,273 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-21 18:51:43,274 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-21 18:51:43,275 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-21 18:51:43,275 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-21 18:51:43,276 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-21 18:51:43,276 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-21 18:51:43,277 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-21 18:51:43,294 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:43,299 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 18:51:43,306 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7517-7528] [2023-11-21 18:51:43,319 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:51:43,655 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:51:43,656 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:51:43,656 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:51:43,656 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:51:43,656 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:51:43,657 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:51:43,657 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:51:43,657 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:51:43,657 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:51:43,657 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:51:43,657 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:51:43,658 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:51:43,658 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:51:43,658 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:51:43,658 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:51:43,667 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:51:43,667 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:43 WrapperNode [2023-11-21 18:51:43,668 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:51:43,669 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:51:43,669 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:51:43,669 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:51:43,677 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:43" (1/1) ... [2023-11-21 18:51:43,797 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:43" (1/1) ... [2023-11-21 18:51:43,910 INFO L138 Inliner]: procedures = 709, calls = 1580, calls flagged for inlining = 46, calls inlined = 6, statements flattened = 585 [2023-11-21 18:51:43,911 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:51:43,913 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:51:43,913 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:51:43,914 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:51:43,931 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:43" (1/1) ... [2023-11-21 18:51:43,932 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:43" (1/1) ... [2023-11-21 18:51:43,943 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:43" (1/1) ... [2023-11-21 18:51:43,943 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:43" (1/1) ... [2023-11-21 18:51:43,984 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:43" (1/1) ... [2023-11-21 18:51:44,000 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:43" (1/1) ... [2023-11-21 18:51:44,008 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:43" (1/1) ... [2023-11-21 18:51:44,023 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:43" (1/1) ... [2023-11-21 18:51:44,034 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:51:44,044 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:51:44,045 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:51:44,045 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:51:44,046 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:43" (1/1) ... [2023-11-21 18:51:44,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:51:44,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dcd889-c189-4bdc-a6a8-b2c3c43da71b/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:51:44,090 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dcd889-c189-4bdc-a6a8-b2c3c43da71b/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:51:44,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dcd889-c189-4bdc-a6a8-b2c3c43da71b/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:51:44,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:51:44,133 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2023-11-21 18:51:44,133 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2023-11-21 18:51:44,133 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2023-11-21 18:51:44,133 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2023-11-21 18:51:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-21 18:51:44,134 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-21 18:51:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:51:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-21 18:51:44,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2023-11-21 18:51:44,135 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2023-11-21 18:51:44,135 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2023-11-21 18:51:44,135 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:51:44,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:51:44,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:51:44,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:51:44,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:51:44,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:51:44,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:51:44,138 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-21 18:51:44,138 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-21 18:51:44,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2023-11-21 18:51:44,138 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2023-11-21 18:51:44,138 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2023-11-21 18:51:44,138 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:51:44,138 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:51:44,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:51:44,140 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_clear [2023-11-21 18:51:44,140 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_clear [2023-11-21 18:51:44,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 18:51:44,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2023-11-21 18:51:44,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 18:51:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-21 18:51:44,141 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-21 18:51:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2023-11-21 18:51:44,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2023-11-21 18:51:44,507 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:51:44,509 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:51:46,252 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:51:46,577 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:51:46,577 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:51:46,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:51:46 BoogieIcfgContainer [2023-11-21 18:51:46,580 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:51:46,581 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:51:46,581 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:51:46,592 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:51:46,592 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:51:46" (1/1) ... [2023-11-21 18:51:46,602 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:51:46,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:46,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 78 states and 96 transitions. [2023-11-21 18:51:46,666 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 96 transitions. [2023-11-21 18:51:46,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:51:46,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:46,674 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:51:46,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dcd889-c189-4bdc-a6a8-b2c3c43da71b/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:51:46,678 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dcd889-c189-4bdc-a6a8-b2c3c43da71b/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:51:46,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dcd889-c189-4bdc-a6a8-b2c3c43da71b/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-21 18:51:47,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:47,420 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:51:48,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:48,413 INFO L262 TraceCheckSpWp]: Trace formula consists of 1245 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:51:48,421 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:48,675 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:51:48,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dcd889-c189-4bdc-a6a8-b2c3c43da71b/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-21 18:51:52,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 18:51:52,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:52,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 82 states and 104 transitions. [2023-11-21 18:51:52,956 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 104 transitions. [2023-11-21 18:51:52,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:51:52,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:52,960 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:51:52,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dcd889-c189-4bdc-a6a8-b2c3c43da71b/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:51:52,961 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dcd889-c189-4bdc-a6a8-b2c3c43da71b/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:51:52,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dcd889-c189-4bdc-a6a8-b2c3c43da71b/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-21 18:51:53,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:53,489 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:51:54,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:54,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 1269 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:51:54,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:54,405 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:51:54,413 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dcd889-c189-4bdc-a6a8-b2c3c43da71b/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:51:54,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dcd889-c189-4bdc-a6a8-b2c3c43da71b/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-11-21 18:51:54,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:54,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 83 states and 105 transitions. [2023-11-21 18:51:54,490 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 105 transitions. [2023-11-21 18:51:54,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:51:54,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:54,493 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:51:54,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dcd889-c189-4bdc-a6a8-b2c3c43da71b/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:51:54,494 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dcd889-c189-4bdc-a6a8-b2c3c43da71b/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:51:54,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dcd889-c189-4bdc-a6a8-b2c3c43da71b/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-21 18:51:55,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:55,071 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:51:55,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:55,866 INFO L262 TraceCheckSpWp]: Trace formula consists of 1276 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:51:55,875 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:56,073 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:51:56,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dcd889-c189-4bdc-a6a8-b2c3c43da71b/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-21 18:51:56,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:56,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 80 states and 100 transitions. [2023-11-21 18:51:56,129 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 100 transitions. [2023-11-21 18:51:56,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:51:56,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:56,132 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:51:56,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dcd889-c189-4bdc-a6a8-b2c3c43da71b/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:51:56,133 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dcd889-c189-4bdc-a6a8-b2c3c43da71b/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:51:56,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2dcd889-c189-4bdc-a6a8-b2c3c43da71b/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-21 18:51:56,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:56,710 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported