./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_length_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_length_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 53c422310795c2e7f5b0f72e5a73eee871aa1645d7b73c98001e28d2bf239333 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 17:27:20,416 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 17:27:20,418 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 17:27:20,436 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 17:27:20,436 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 17:27:20,437 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 17:27:20,438 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 17:27:20,440 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 17:27:20,441 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 17:27:20,442 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 17:27:20,443 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 17:27:20,444 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 17:27:20,444 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 17:27:20,445 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 17:27:20,446 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 17:27:20,447 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 17:27:20,448 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 17:27:20,449 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 17:27:20,450 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 17:27:20,452 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 17:27:20,453 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 17:27:20,454 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 17:27:20,455 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 17:27:20,455 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 17:27:20,457 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 17:27:20,457 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 17:27:20,457 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 17:27:20,458 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 17:27:20,458 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 17:27:20,459 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 17:27:20,459 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 17:27:20,459 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 17:27:20,460 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 17:27:20,461 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 17:27:20,461 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 17:27:20,461 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 17:27:20,462 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 17:27:20,462 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 17:27:20,462 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 17:27:20,463 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 17:27:20,463 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 17:27:20,464 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 17:27:20,477 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 17:27:20,477 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 17:27:20,477 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 17:27:20,477 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 17:27:20,478 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 17:27:20,478 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 17:27:20,478 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 17:27:20,478 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 17:27:20,479 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 17:27:20,479 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 17:27:20,479 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 17:27:20,479 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 17:27:20,479 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 17:27:20,479 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 17:27:20,479 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 17:27:20,480 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 17:27:20,480 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 17:27:20,480 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 17:27:20,480 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 17:27:20,480 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 17:27:20,480 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 17:27:20,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:27:20,481 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 17:27:20,481 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 17:27:20,481 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 17:27:20,481 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 17:27:20,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 17:27:20,481 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 17:27:20,481 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 17:27:20,482 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 17:27:20,482 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 17:27:20,482 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 17:27:20,482 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53c422310795c2e7f5b0f72e5a73eee871aa1645d7b73c98001e28d2bf239333 [2022-12-13 17:27:20,671 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 17:27:20,686 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 17:27:20,688 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 17:27:20,689 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 17:27:20,690 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 17:27:20,690 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/aws-c-common/aws_array_list_length_harness.i [2022-12-13 17:27:23,198 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 17:27:23,516 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 17:27:23,517 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad97d75-27c4-402e-8949-4837b2c54d31/sv-benchmarks/c/aws-c-common/aws_array_list_length_harness.i [2022-12-13 17:27:23,539 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8/data/e9755efc5/0d29048224e744c39b32ff4c136babe5/FLAGecc7ab943 [2022-12-13 17:27:23,760 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8/data/e9755efc5/0d29048224e744c39b32ff4c136babe5 [2022-12-13 17:27:23,762 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 17:27:23,763 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 17:27:23,764 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 17:27:23,764 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 17:27:23,767 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 17:27:23,768 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:27:23" (1/1) ... [2022-12-13 17:27:23,769 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1885444e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:27:23, skipping insertion in model container [2022-12-13 17:27:23,769 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:27:23" (1/1) ... [2022-12-13 17:27:23,775 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 17:27:23,839 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 17:27:24,017 WARN L237 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_aad97d75-27c4-402e-8949-4837b2c54d31/sv-benchmarks/c/aws-c-common/aws_array_list_length_harness.i[4495,4508] [2022-12-13 17:27:24,023 WARN L237 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_aad97d75-27c4-402e-8949-4837b2c54d31/sv-benchmarks/c/aws-c-common/aws_array_list_length_harness.i[4555,4568] [2022-12-13 17:27:24,669 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-13 17:27:24,727 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:27:24,727 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:27:24,728 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:27:24,728 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:27:24,729 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:27:24,737 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:27:24,738 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:27:24,739 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:27:24,740 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:27:24,741 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:27:24,742 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:27:24,742 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:27:24,742 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:27:24,793 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 17:27:24,794 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 17:27:24,794 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 17:27:24,798 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-13 17:27:24,799 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-13 17:27:24,800 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-13 17:27:24,989 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-13 17:27:24,989 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-13 17:27:24,990 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-13 17:27:24,991 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-13 17:27:24,992 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-13 17:27:24,993 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-13 17:27:24,993 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-13 17:27:24,994 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-13 17:27:24,994 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-13 17:27:24,995 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-13 17:27:24,995 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-13 17:27:25,094 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:27:25,099 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:27:25,131 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-13 17:27:25,136 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:27:25,155 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 17:27:25,164 WARN L237 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_aad97d75-27c4-402e-8949-4837b2c54d31/sv-benchmarks/c/aws-c-common/aws_array_list_length_harness.i[4495,4508] [2022-12-13 17:27:25,164 WARN L237 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_aad97d75-27c4-402e-8949-4837b2c54d31/sv-benchmarks/c/aws-c-common/aws_array_list_length_harness.i[4555,4568] [2022-12-13 17:27:25,185 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-13 17:27:25,195 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:27:25,196 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:27:25,196 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:27:25,196 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:27:25,197 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:27:25,202 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:27:25,202 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:27:25,203 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:27:25,203 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:27:25,204 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:27:25,204 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:27:25,205 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:27:25,205 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:27:25,210 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 17:27:25,210 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 17:27:25,210 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 17:27:25,213 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-13 17:27:25,214 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-13 17:27:25,214 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-13 17:27:25,229 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-13 17:27:25,229 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-13 17:27:25,230 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-13 17:27:25,230 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-13 17:27:25,231 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-13 17:27:25,232 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-13 17:27:25,232 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-13 17:27:25,232 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-13 17:27:25,233 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-13 17:27:25,233 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-13 17:27:25,233 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-13 17:27:25,254 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:27:25,257 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:27:25,271 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-13 17:27:25,273 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:27:25,411 INFO L208 MainTranslator]: Completed translation [2022-12-13 17:27:25,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:27:25 WrapperNode [2022-12-13 17:27:25,412 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 17:27:25,413 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 17:27:25,413 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 17:27:25,413 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 17:27:25,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:27:25" (1/1) ... [2022-12-13 17:27:25,469 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:27:25" (1/1) ... [2022-12-13 17:27:25,518 INFO L138 Inliner]: procedures = 690, calls = 1681, calls flagged for inlining = 52, calls inlined = 8, statements flattened = 590 [2022-12-13 17:27:25,518 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 17:27:25,518 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 17:27:25,518 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 17:27:25,519 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 17:27:25,525 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:27:25" (1/1) ... [2022-12-13 17:27:25,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:27:25" (1/1) ... [2022-12-13 17:27:25,531 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:27:25" (1/1) ... [2022-12-13 17:27:25,532 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:27:25" (1/1) ... [2022-12-13 17:27:25,557 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:27:25" (1/1) ... [2022-12-13 17:27:25,560 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:27:25" (1/1) ... [2022-12-13 17:27:25,565 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:27:25" (1/1) ... [2022-12-13 17:27:25,569 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:27:25" (1/1) ... [2022-12-13 17:27:25,576 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 17:27:25,577 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 17:27:25,577 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 17:27:25,577 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 17:27:25,578 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:27:25" (1/1) ... [2022-12-13 17:27:25,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:27:25,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:27:25,609 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 17:27:25,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 17:27:25,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 17:27:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-12-13 17:27:25,643 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-12-13 17:27:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-12-13 17:27:25,643 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-12-13 17:27:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-12-13 17:27:25,643 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-12-13 17:27:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 17:27:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-12-13 17:27:25,643 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-12-13 17:27:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-13 17:27:25,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-13 17:27:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 17:27:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 17:27:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 17:27:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 17:27:25,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 17:27:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-12-13 17:27:25,644 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-12-13 17:27:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-12-13 17:27:25,644 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-12-13 17:27:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-12-13 17:27:25,645 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-12-13 17:27:25,645 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2022-12-13 17:27:25,645 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2022-12-13 17:27:25,645 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-13 17:27:25,645 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-13 17:27:25,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 17:27:25,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 17:27:25,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 17:27:25,645 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-12-13 17:27:25,645 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-12-13 17:27:25,645 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-12-13 17:27:25,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-12-13 17:27:25,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 17:27:25,646 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-12-13 17:27:25,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-12-13 17:27:25,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 17:27:25,865 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 17:27:25,867 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 17:27:26,549 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 17:27:26,556 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 17:27:26,556 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 17:27:26,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:27:26 BoogieIcfgContainer [2022-12-13 17:27:26,558 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 17:27:26,561 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 17:27:26,561 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 17:27:26,564 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 17:27:26,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 05:27:23" (1/3) ... [2022-12-13 17:27:26,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@345c3785 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:27:26, skipping insertion in model container [2022-12-13 17:27:26,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:27:25" (2/3) ... [2022-12-13 17:27:26,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@345c3785 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:27:26, skipping insertion in model container [2022-12-13 17:27:26,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:27:26" (3/3) ... [2022-12-13 17:27:26,567 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_length_harness.i [2022-12-13 17:27:26,585 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 17:27:26,585 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 17:27:26,623 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 17:27:26,628 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@a80bae0, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 17:27:26,628 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 17:27:26,631 INFO L276 IsEmpty]: Start isEmpty. Operand has 123 states, 78 states have (on average 1.205128205128205) internal successors, (94), 79 states have internal predecessors, (94), 30 states have call successors, (30), 13 states have call predecessors, (30), 13 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2022-12-13 17:27:26,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-12-13 17:27:26,639 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:27:26,640 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:27:26,640 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:27:26,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:27:26,644 INFO L85 PathProgramCache]: Analyzing trace with hash -1468528252, now seen corresponding path program 1 times [2022-12-13 17:27:26,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:27:26,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513219802] [2022-12-13 17:27:26,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:27:26,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:27:26,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:27,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 17:27:27,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:27,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:27:27,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:27,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 17:27:27,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:27,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 17:27:27,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:27,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 17:27:27,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:27,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 17:27:27,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:27,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 17:27:27,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:27,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-12-13 17:27:27,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:27,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 17:27:27,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:27,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 17:27:27,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:27,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 17:27:27,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:27,132 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-12-13 17:27:27,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:27:27,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513219802] [2022-12-13 17:27:27,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513219802] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:27:27,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:27:27,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 17:27:27,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951883545] [2022-12-13 17:27:27,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:27:27,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 17:27:27,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:27:27,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 17:27:27,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 17:27:27,161 INFO L87 Difference]: Start difference. First operand has 123 states, 78 states have (on average 1.205128205128205) internal successors, (94), 79 states have internal predecessors, (94), 30 states have call successors, (30), 13 states have call predecessors, (30), 13 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-13 17:27:27,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:27:27,531 INFO L93 Difference]: Finished difference Result 248 states and 337 transitions. [2022-12-13 17:27:27,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 17:27:27,533 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 71 [2022-12-13 17:27:27,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:27:27,539 INFO L225 Difference]: With dead ends: 248 [2022-12-13 17:27:27,539 INFO L226 Difference]: Without dead ends: 123 [2022-12-13 17:27:27,542 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 17:27:27,544 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 41 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 17:27:27,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 163 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 17:27:27,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2022-12-13 17:27:27,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 114. [2022-12-13 17:27:27,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 71 states have (on average 1.1549295774647887) internal successors, (82), 72 states have internal predecessors, (82), 30 states have call successors, (30), 13 states have call predecessors, (30), 12 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2022-12-13 17:27:27,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 140 transitions. [2022-12-13 17:27:27,580 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 140 transitions. Word has length 71 [2022-12-13 17:27:27,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:27:27,580 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 140 transitions. [2022-12-13 17:27:27,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-13 17:27:27,580 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 140 transitions. [2022-12-13 17:27:27,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-12-13 17:27:27,582 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:27:27,582 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:27:27,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 17:27:27,583 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:27:27,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:27:27,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1288118090, now seen corresponding path program 1 times [2022-12-13 17:27:27,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:27:27,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563511373] [2022-12-13 17:27:27,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:27:27,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:27:27,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:27,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 17:27:27,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:27,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 17:27:27,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:27,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 17:27:27,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:27,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 17:27:27,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:27,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 17:27:27,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:27,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 17:27:27,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:27,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 17:27:27,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:27,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-12-13 17:27:27,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:27,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 17:27:27,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:27,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 17:27:27,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:27,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 17:27:27,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:27,977 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-12-13 17:27:27,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:27:27,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563511373] [2022-12-13 17:27:27,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563511373] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 17:27:27,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [810646523] [2022-12-13 17:27:27,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:27:27,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:27:27,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:27:27,979 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 17:27:27,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 17:27:28,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:28,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 2060 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-13 17:27:28,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:27:28,397 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-13 17:27:28,397 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 17:27:28,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [810646523] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:27:28,397 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 17:27:28,398 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2022-12-13 17:27:28,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656277287] [2022-12-13 17:27:28,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:27:28,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 17:27:28,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:27:28,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 17:27:28,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-12-13 17:27:28,400 INFO L87 Difference]: Start difference. First operand 114 states and 140 transitions. Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-12-13 17:27:28,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:27:28,550 INFO L93 Difference]: Finished difference Result 193 states and 240 transitions. [2022-12-13 17:27:28,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 17:27:28,551 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 71 [2022-12-13 17:27:28,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:27:28,552 INFO L225 Difference]: With dead ends: 193 [2022-12-13 17:27:28,553 INFO L226 Difference]: Without dead ends: 116 [2022-12-13 17:27:28,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2022-12-13 17:27:28,555 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 149 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 17:27:28,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 403 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 17:27:28,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2022-12-13 17:27:28,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2022-12-13 17:27:28,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 72 states have (on average 1.1527777777777777) internal successors, (83), 74 states have internal predecessors, (83), 30 states have call successors, (30), 13 states have call predecessors, (30), 13 states have return successors, (30), 28 states have call predecessors, (30), 28 states have call successors, (30) [2022-12-13 17:27:28,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 143 transitions. [2022-12-13 17:27:28,571 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 143 transitions. Word has length 71 [2022-12-13 17:27:28,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:27:28,572 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 143 transitions. [2022-12-13 17:27:28,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-12-13 17:27:28,572 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 143 transitions. [2022-12-13 17:27:28,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-12-13 17:27:28,574 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:27:28,575 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:27:28,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 17:27:28,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:27:28,776 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:27:28,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:27:28,777 INFO L85 PathProgramCache]: Analyzing trace with hash 1724800482, now seen corresponding path program 1 times [2022-12-13 17:27:28,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:27:28,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865985502] [2022-12-13 17:27:28,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:27:28,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:27:28,834 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 17:27:28,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1693897485] [2022-12-13 17:27:28,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:27:28,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:27:28,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:27:28,836 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 17:27:28,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 17:27:29,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:29,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 2201 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 17:27:29,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:27:29,283 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-12-13 17:27:29,283 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 17:27:29,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:27:29,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865985502] [2022-12-13 17:27:29,284 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 17:27:29,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1693897485] [2022-12-13 17:27:29,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1693897485] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:27:29,284 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:27:29,284 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 17:27:29,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690430158] [2022-12-13 17:27:29,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:27:29,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 17:27:29,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:27:29,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 17:27:29,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-12-13 17:27:29,286 INFO L87 Difference]: Start difference. First operand 116 states and 143 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2022-12-13 17:27:29,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:27:29,487 INFO L93 Difference]: Finished difference Result 182 states and 221 transitions. [2022-12-13 17:27:29,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 17:27:29,487 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) Word has length 86 [2022-12-13 17:27:29,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:27:29,489 INFO L225 Difference]: With dead ends: 182 [2022-12-13 17:27:29,489 INFO L226 Difference]: Without dead ends: 114 [2022-12-13 17:27:29,490 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2022-12-13 17:27:29,490 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 151 mSDsluCounter, 460 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 565 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 17:27:29,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 565 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 17:27:29,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2022-12-13 17:27:29,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2022-12-13 17:27:29,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 71 states have (on average 1.1408450704225352) internal successors, (81), 72 states have internal predecessors, (81), 30 states have call successors, (30), 13 states have call predecessors, (30), 12 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2022-12-13 17:27:29,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 139 transitions. [2022-12-13 17:27:29,503 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 139 transitions. Word has length 86 [2022-12-13 17:27:29,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:27:29,504 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 139 transitions. [2022-12-13 17:27:29,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2022-12-13 17:27:29,504 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 139 transitions. [2022-12-13 17:27:29,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-12-13 17:27:29,505 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:27:29,506 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:27:29,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 17:27:29,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:27:29,707 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:27:29,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:27:29,707 INFO L85 PathProgramCache]: Analyzing trace with hash -146566572, now seen corresponding path program 1 times [2022-12-13 17:27:29,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:27:29,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915490321] [2022-12-13 17:27:29,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:27:29,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:27:29,780 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 17:27:29,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1246342296] [2022-12-13 17:27:29,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:27:29,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:27:29,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:27:29,782 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 17:27:29,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 17:27:30,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:30,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 260 conjunts are in the unsatisfiable core [2022-12-13 17:27:30,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:27:30,357 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-13 17:27:30,531 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-13 17:27:31,073 INFO L321 Elim1Store]: treesize reduction 53, result has 32.9 percent of original size [2022-12-13 17:27:31,074 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 53 [2022-12-13 17:27:31,083 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-13 17:27:31,335 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-12-13 17:27:31,335 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 29 treesize of output 37 [2022-12-13 17:27:50,811 WARN L233 SmtUtils]: Spent 7.62s on a formula simplification. DAG size of input: 55 DAG size of output: 52 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 17:27:51,055 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 17:27:51,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 17:27:51,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 17:27:51,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 178 treesize of output 228 [2022-12-13 17:27:51,180 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 17:27:51,181 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 112 treesize of output 174 [2022-12-13 17:28:04,970 INFO L321 Elim1Store]: treesize reduction 101, result has 15.1 percent of original size [2022-12-13 17:28:04,970 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 7 case distinctions, treesize of input 112 treesize of output 116 [2022-12-13 17:28:04,982 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2022-12-13 17:28:05,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 17:28:05,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 17:28:05,392 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 60 [2022-12-13 17:28:05,728 INFO L321 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2022-12-13 17:28:05,729 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 77 [2022-12-13 17:28:05,739 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2022-12-13 17:28:08,322 INFO L321 Elim1Store]: treesize reduction 45, result has 2.2 percent of original size [2022-12-13 17:28:08,322 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 78 treesize of output 74 [2022-12-13 17:28:08,458 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2022-12-13 17:28:11,043 INFO L321 Elim1Store]: treesize reduction 63, result has 22.2 percent of original size [2022-12-13 17:28:11,043 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 78 treesize of output 86 [2022-12-13 17:28:11,066 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2022-12-13 17:28:11,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 17:28:11,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 17:28:11,103 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 36 [2022-12-13 17:28:13,926 INFO L321 Elim1Store]: treesize reduction 63, result has 22.2 percent of original size [2022-12-13 17:28:13,926 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 112 treesize of output 116 [2022-12-13 17:28:13,942 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2022-12-13 17:28:14,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 17:28:14,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 17:28:14,108 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 60 [2022-12-13 17:28:29,292 WARN L233 SmtUtils]: Spent 7.77s on a formula simplification that was a NOOP. DAG size: 243 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 17:28:53,364 WARN L233 SmtUtils]: Spent 10.38s on a formula simplification. DAG size of input: 242 DAG size of output: 222 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 17:29:17,243 WARN L233 SmtUtils]: Spent 15.35s on a formula simplification. DAG size of input: 226 DAG size of output: 197 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 17:30:09,715 WARN L233 SmtUtils]: Spent 24.01s on a formula simplification that was a NOOP. DAG size: 261 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 17:31:35,784 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 26 proven. 58 refuted. 4 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-13 17:31:35,784 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 17:31:45,550 WARN L233 SmtUtils]: Spent 5.59s on a formula simplification that was a NOOP. DAG size: 81 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 17:31:59,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:31:59,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915490321] [2022-12-13 17:31:59,768 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 17:31:59,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1246342296] [2022-12-13 17:31:59,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1246342296] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 17:31:59,768 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-12-13 17:31:59,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51] total 51 [2022-12-13 17:31:59,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363778980] [2022-12-13 17:31:59,768 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-12-13 17:31:59,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2022-12-13 17:31:59,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:31:59,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2022-12-13 17:31:59,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=2754, Unknown=46, NotChecked=0, Total=2970 [2022-12-13 17:31:59,773 INFO L87 Difference]: Start difference. First operand 114 states and 139 transitions. Second operand has 51 states, 43 states have (on average 1.7674418604651163) internal successors, (76), 37 states have internal predecessors, (76), 14 states have call successors, (18), 9 states have call predecessors, (18), 13 states have return successors, (16), 13 states have call predecessors, (16), 12 states have call successors, (16) [2022-12-13 17:32:02,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:32:35,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-13 17:33:44,151 WARN L233 SmtUtils]: Spent 1.01m on a formula simplification. DAG size of input: 128 DAG size of output: 109 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 17:34:00,230 WARN L233 SmtUtils]: Spent 14.16s on a formula simplification. DAG size of input: 109 DAG size of output: 104 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 17:34:49,537 WARN L233 SmtUtils]: Spent 44.77s on a formula simplification. DAG size of input: 116 DAG size of output: 102 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 17:34:52,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-13 17:34:54,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-13 17:35:04,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-13 17:35:21,367 WARN L233 SmtUtils]: Spent 6.18s on a formula simplification. DAG size of input: 105 DAG size of output: 86 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 17:35:29,431 WARN L233 SmtUtils]: Spent 6.22s on a formula simplification. DAG size of input: 99 DAG size of output: 80 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 17:35:30,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-13 17:35:40,434 WARN L233 SmtUtils]: Spent 7.25s on a formula simplification. DAG size of input: 100 DAG size of output: 81 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 17:35:49,778 WARN L233 SmtUtils]: Spent 5.54s on a formula simplification. DAG size of input: 106 DAG size of output: 87 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 17:36:45,437 WARN L233 SmtUtils]: Spent 49.59s on a formula simplification. DAG size of input: 132 DAG size of output: 110 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 17:37:07,392 WARN L233 SmtUtils]: Spent 18.32s on a formula simplification. DAG size of input: 113 DAG size of output: 108 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 17:37:08,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-13 17:37:11,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-13 17:37:13,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-13 17:37:17,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-13 17:37:45,311 WARN L233 SmtUtils]: Spent 18.56s on a formula simplification. DAG size of input: 280 DAG size of output: 272 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 17:38:25,381 WARN L233 SmtUtils]: Spent 34.43s on a formula simplification. DAG size of input: 120 DAG size of output: 110 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 17:38:28,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-13 17:38:31,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-13 17:38:58,632 WARN L233 SmtUtils]: Spent 22.62s on a formula simplification. DAG size of input: 244 DAG size of output: 214 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 17:40:10,211 WARN L233 SmtUtils]: Spent 1.11m on a formula simplification that was a NOOP. DAG size: 248 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 17:40:14,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-13 17:40:17,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-13 17:41:31,828 WARN L233 SmtUtils]: Spent 1.11m on a formula simplification that was a NOOP. DAG size: 252 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 17:41:36,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-13 17:41:38,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-13 17:41:41,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-13 17:41:42,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-13 17:41:47,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-13 17:41:49,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-13 17:41:52,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:41:55,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 101 [2022-12-13 17:41:55,969 WARN L230 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2022-12-13 17:41:55,974 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 66 SyntacticMatches, 5 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3153 ImplicationChecksByTransitivity, 624.7s TimeCoverageRelationStatistics Valid=860, Invalid=11254, Unknown=96, NotChecked=0, Total=12210 [2022-12-13 17:41:55,975 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 339 mSDsluCounter, 1886 mSDsCounter, 0 mSdLazyCounter, 5052 mSolverCounterSat, 213 mSolverCounterUnsat, 196 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 84.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 344 SdHoareTripleChecker+Valid, 1985 SdHoareTripleChecker+Invalid, 5462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 213 IncrementalHoareTripleChecker+Valid, 5052 IncrementalHoareTripleChecker+Invalid, 196 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 85.4s IncrementalHoareTripleChecker+Time [2022-12-13 17:41:55,975 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [344 Valid, 1985 Invalid, 5462 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [213 Valid, 5052 Invalid, 196 Unknown, 0 Unchecked, 85.4s Time] [2022-12-13 17:41:55,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 17:41:56,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:41:56,178 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Connection to SMT solver broken at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.convertIOException(Executor.java:314) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:158) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.pop(Scriptor.java:139) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.pop(DiffWrapperScript.java:99) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.pop(WrapperScript.java:153) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.pop(HistoryRecordingScript.java:117) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.pop(ManagedScript.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.unAssertPostcondition(IncrementalHoareTripleChecker.java:665) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.clearAssertionStack(IncrementalHoareTripleChecker.java:269) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.releaseLock(IncrementalHoareTripleChecker.java:284) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker$ProtectedHtc.releaseLock(ChainingHoareTripleChecker.java:449) at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1655) at java.base/java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:658) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker.releaseLock(ChainingHoareTripleChecker.java:98) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.CachingHoareTripleChecker.releaseLock(CachingHoareTripleChecker.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.switchToReadonlyMode(AbstractInterpolantAutomaton.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.computeAutomataDifference(NwaCegarLoop.java:365) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.refineAbstraction(NwaCegarLoop.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:487) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: java.io.IOException: Stream closed at java.base/java.lang.ProcessBuilder$NullOutputStream.write(ProcessBuilder.java:442) at java.base/java.io.OutputStream.write(OutputStream.java:157) at java.base/java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:81) at java.base/java.io.BufferedOutputStream.flush(BufferedOutputStream.java:142) at java.base/sun.nio.cs.StreamEncoder.implFlush(StreamEncoder.java:318) at java.base/sun.nio.cs.StreamEncoder.flush(StreamEncoder.java:153) at java.base/java.io.OutputStreamWriter.flush(OutputStreamWriter.java:251) at java.base/java.io.BufferedWriter.flush(BufferedWriter.java:257) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:156) ... 36 more [2022-12-13 17:41:56,186 INFO L158 Benchmark]: Toolchain (without parser) took 872422.02ms. Allocated memory was 125.8MB in the beginning and 264.2MB in the end (delta: 138.4MB). Free memory was 83.2MB in the beginning and 54.0MB in the end (delta: 29.3MB). Peak memory consumption was 180.7MB. Max. memory is 16.1GB. [2022-12-13 17:41:56,187 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 125.8MB. Free memory is still 96.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 17:41:56,188 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1648.30ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 82.9MB in the beginning and 87.2MB in the end (delta: -4.3MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. [2022-12-13 17:41:56,189 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.06ms. Allocated memory is still 151.0MB. Free memory was 87.2MB in the beginning and 78.4MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 17:41:56,191 INFO L158 Benchmark]: Boogie Preprocessor took 57.80ms. Allocated memory is still 151.0MB. Free memory was 78.4MB in the beginning and 72.5MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-13 17:41:56,192 INFO L158 Benchmark]: RCFGBuilder took 981.74ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 72.5MB in the beginning and 96.8MB in the end (delta: -24.3MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2022-12-13 17:41:56,193 INFO L158 Benchmark]: TraceAbstraction took 869623.76ms. Allocated memory was 182.5MB in the beginning and 264.2MB in the end (delta: 81.8MB). Free memory was 95.7MB in the beginning and 54.0MB in the end (delta: 41.8MB). Peak memory consumption was 133.4MB. Max. memory is 16.1GB. [2022-12-13 17:41:56,194 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 125.8MB. Free memory is still 96.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1648.30ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 82.9MB in the beginning and 87.2MB in the end (delta: -4.3MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.06ms. Allocated memory is still 151.0MB. Free memory was 87.2MB in the beginning and 78.4MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.80ms. Allocated memory is still 151.0MB. Free memory was 78.4MB in the beginning and 72.5MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 981.74ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 72.5MB in the beginning and 96.8MB in the end (delta: -24.3MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. * TraceAbstraction took 869623.76ms. Allocated memory was 182.5MB in the beginning and 264.2MB in the end (delta: 81.8MB). Free memory was 95.7MB in the beginning and 54.0MB in the end (delta: 41.8MB). Peak memory consumption was 133.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Connection to SMT solver broken de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Connection to SMT solver broken: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.convertIOException(Executor.java:314) RESULT: Ultimate could not prove your program: Toolchain returned no result. 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_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_length_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 53c422310795c2e7f5b0f72e5a73eee871aa1645d7b73c98001e28d2bf239333 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 17:41:57,563 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 17:41:57,564 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 17:41:57,578 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 17:41:57,578 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 17:41:57,579 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 17:41:57,580 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 17:41:57,581 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 17:41:57,582 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 17:41:57,582 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 17:41:57,583 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 17:41:57,584 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 17:41:57,584 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 17:41:57,585 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 17:41:57,585 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 17:41:57,586 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 17:41:57,587 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 17:41:57,587 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 17:41:57,588 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 17:41:57,590 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 17:41:57,591 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 17:41:57,591 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 17:41:57,592 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 17:41:57,593 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 17:41:57,595 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 17:41:57,595 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 17:41:57,595 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 17:41:57,596 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 17:41:57,596 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 17:41:57,597 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 17:41:57,597 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 17:41:57,598 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 17:41:57,598 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 17:41:57,599 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 17:41:57,600 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 17:41:57,600 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 17:41:57,600 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 17:41:57,600 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 17:41:57,601 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 17:41:57,601 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 17:41:57,602 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 17:41:57,603 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-12-13 17:41:57,634 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 17:41:57,634 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 17:41:57,634 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 17:41:57,634 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 17:41:57,635 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 17:41:57,635 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 17:41:57,636 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 17:41:57,636 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 17:41:57,636 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 17:41:57,636 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 17:41:57,636 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 17:41:57,636 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 17:41:57,636 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 17:41:57,636 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 17:41:57,637 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 17:41:57,637 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 17:41:57,637 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 17:41:57,637 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 17:41:57,637 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 17:41:57,637 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 17:41:57,638 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 17:41:57,638 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 17:41:57,638 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 17:41:57,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:41:57,638 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 17:41:57,639 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 17:41:57,639 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 17:41:57,639 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 17:41:57,639 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 17:41:57,639 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 17:41:57,639 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 17:41:57,639 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 17:41:57,640 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 17:41:57,640 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 17:41:57,640 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 17:41:57,640 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53c422310795c2e7f5b0f72e5a73eee871aa1645d7b73c98001e28d2bf239333 [2022-12-13 17:41:57,874 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 17:41:57,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 17:41:57,894 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 17:41:57,895 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 17:41:57,895 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 17:41:57,896 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/aws-c-common/aws_array_list_length_harness.i [2022-12-13 17:42:00,493 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 17:42:00,849 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 17:42:00,849 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad97d75-27c4-402e-8949-4837b2c54d31/sv-benchmarks/c/aws-c-common/aws_array_list_length_harness.i [2022-12-13 17:42:00,873 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8/data/8784f3a16/7d9a77b1386a4dd59f7cc1e0a57a8ea7/FLAGde8abd07c [2022-12-13 17:42:00,887 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8/data/8784f3a16/7d9a77b1386a4dd59f7cc1e0a57a8ea7 [2022-12-13 17:42:00,889 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 17:42:00,891 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 17:42:00,892 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 17:42:00,892 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 17:42:00,895 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 17:42:00,896 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:42:00" (1/1) ... [2022-12-13 17:42:00,897 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6147c0aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:42:00, skipping insertion in model container [2022-12-13 17:42:00,897 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:42:00" (1/1) ... [2022-12-13 17:42:00,904 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 17:42:00,984 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 17:42:01,149 WARN L237 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_aad97d75-27c4-402e-8949-4837b2c54d31/sv-benchmarks/c/aws-c-common/aws_array_list_length_harness.i[4495,4508] [2022-12-13 17:42:01,154 WARN L237 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_aad97d75-27c4-402e-8949-4837b2c54d31/sv-benchmarks/c/aws-c-common/aws_array_list_length_harness.i[4555,4568] [2022-12-13 17:42:01,684 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-13 17:42:01,734 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:42:01,735 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:42:01,735 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:42:01,736 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:42:01,737 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:42:01,750 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:42:01,750 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:42:01,752 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:42:01,752 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:42:01,754 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:42:01,755 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:42:01,755 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:42:01,756 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:42:01,808 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 17:42:01,809 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 17:42:01,809 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 17:42:01,813 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-13 17:42:01,815 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-13 17:42:01,815 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-13 17:42:02,012 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-13 17:42:02,013 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-13 17:42:02,013 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-13 17:42:02,014 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-13 17:42:02,014 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-13 17:42:02,015 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-13 17:42:02,016 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-13 17:42:02,016 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-13 17:42:02,017 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-13 17:42:02,017 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-13 17:42:02,017 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-13 17:42:02,119 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:42:02,124 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:42:02,156 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-13 17:42:02,161 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:42:02,194 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-12-13 17:42:02,235 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 17:42:02,240 WARN L237 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_aad97d75-27c4-402e-8949-4837b2c54d31/sv-benchmarks/c/aws-c-common/aws_array_list_length_harness.i[4495,4508] [2022-12-13 17:42:02,240 WARN L237 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_aad97d75-27c4-402e-8949-4837b2c54d31/sv-benchmarks/c/aws-c-common/aws_array_list_length_harness.i[4555,4568] [2022-12-13 17:42:02,272 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-13 17:42:02,287 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:42:02,287 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:42:02,287 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:42:02,288 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:42:02,289 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:42:02,296 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:42:02,296 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:42:02,297 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:42:02,298 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:42:02,299 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:42:02,299 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:42:02,300 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:42:02,300 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:42:02,308 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 17:42:02,309 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 17:42:02,309 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 17:42:02,312 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-13 17:42:02,314 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-13 17:42:02,314 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-13 17:42:02,334 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-13 17:42:02,334 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-13 17:42:02,335 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-13 17:42:02,336 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-13 17:42:02,337 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-13 17:42:02,338 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-13 17:42:02,338 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-13 17:42:02,339 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-13 17:42:02,339 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-13 17:42:02,339 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-13 17:42:02,340 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-13 17:42:02,365 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:42:02,369 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:42:02,401 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-13 17:42:02,403 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:42:02,411 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 17:42:02,420 WARN L237 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_aad97d75-27c4-402e-8949-4837b2c54d31/sv-benchmarks/c/aws-c-common/aws_array_list_length_harness.i[4495,4508] [2022-12-13 17:42:02,420 WARN L237 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_aad97d75-27c4-402e-8949-4837b2c54d31/sv-benchmarks/c/aws-c-common/aws_array_list_length_harness.i[4555,4568] [2022-12-13 17:42:02,438 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-13 17:42:02,446 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:42:02,446 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:42:02,446 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:42:02,446 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:42:02,447 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:42:02,450 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:42:02,451 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:42:02,451 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:42:02,451 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:42:02,452 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:42:02,452 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:42:02,452 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:42:02,453 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:42:02,457 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 17:42:02,457 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 17:42:02,457 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 17:42:02,459 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-13 17:42:02,460 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-13 17:42:02,460 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-13 17:42:02,472 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-13 17:42:02,472 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-13 17:42:02,473 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-13 17:42:02,473 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-13 17:42:02,473 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-13 17:42:02,474 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-13 17:42:02,474 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-13 17:42:02,474 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-13 17:42:02,474 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-13 17:42:02,475 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-13 17:42:02,475 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-13 17:42:02,494 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:42:02,498 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 17:42:02,509 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-13 17:42:02,511 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:42:02,733 INFO L208 MainTranslator]: Completed translation [2022-12-13 17:42:02,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:42:02 WrapperNode [2022-12-13 17:42:02,734 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 17:42:02,735 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 17:42:02,735 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 17:42:02,735 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 17:42:02,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:42:02" (1/1) ... [2022-12-13 17:42:02,811 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:42:02" (1/1) ... [2022-12-13 17:42:02,882 INFO L138 Inliner]: procedures = 710, calls = 1681, calls flagged for inlining = 52, calls inlined = 8, statements flattened = 589 [2022-12-13 17:42:02,882 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 17:42:02,883 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 17:42:02,883 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 17:42:02,883 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 17:42:02,892 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:42:02" (1/1) ... [2022-12-13 17:42:02,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:42:02" (1/1) ... [2022-12-13 17:42:02,902 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:42:02" (1/1) ... [2022-12-13 17:42:02,902 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:42:02" (1/1) ... [2022-12-13 17:42:02,940 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:42:02" (1/1) ... [2022-12-13 17:42:02,944 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:42:02" (1/1) ... [2022-12-13 17:42:02,958 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:42:02" (1/1) ... [2022-12-13 17:42:02,965 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:42:02" (1/1) ... [2022-12-13 17:42:02,977 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 17:42:02,978 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 17:42:02,979 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 17:42:02,979 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 17:42:02,979 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:42:02" (1/1) ... [2022-12-13 17:42:02,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:42:02,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:42:03,006 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 17:42:03,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 17:42:03,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 17:42:03,048 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-12-13 17:42:03,048 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-12-13 17:42:03,048 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-12-13 17:42:03,048 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-12-13 17:42:03,048 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-12-13 17:42:03,048 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-12-13 17:42:03,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 17:42:03,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-12-13 17:42:03,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-12-13 17:42:03,049 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-12-13 17:42:03,049 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-12-13 17:42:03,049 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-13 17:42:03,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-13 17:42:03,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 17:42:03,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 17:42:03,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 17:42:03,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 17:42:03,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 17:42:03,050 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-12-13 17:42:03,050 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-12-13 17:42:03,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-12-13 17:42:03,051 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-12-13 17:42:03,051 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-12-13 17:42:03,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-12-13 17:42:03,051 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-12-13 17:42:03,051 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-12-13 17:42:03,051 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2022-12-13 17:42:03,051 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2022-12-13 17:42:03,051 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-13 17:42:03,051 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-13 17:42:03,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 17:42:03,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 17:42:03,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-12-13 17:42:03,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-12-13 17:42:03,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 17:42:03,052 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-12-13 17:42:03,052 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-12-13 17:42:03,052 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-12-13 17:42:03,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-12-13 17:42:03,052 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-12-13 17:42:03,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-12-13 17:42:03,281 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 17:42:03,283 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 17:42:04,844 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 17:42:04,849 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 17:42:04,849 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 17:42:04,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:42:04 BoogieIcfgContainer [2022-12-13 17:42:04,851 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 17:42:04,854 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 17:42:04,854 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 17:42:04,856 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 17:42:04,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 05:42:00" (1/3) ... [2022-12-13 17:42:04,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f154a40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:42:04, skipping insertion in model container [2022-12-13 17:42:04,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:42:02" (2/3) ... [2022-12-13 17:42:04,858 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f154a40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:42:04, skipping insertion in model container [2022-12-13 17:42:04,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:42:04" (3/3) ... [2022-12-13 17:42:04,859 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_length_harness.i [2022-12-13 17:42:04,875 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 17:42:04,875 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 17:42:04,923 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 17:42:04,927 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1ea528dd, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 17:42:04,927 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 17:42:04,932 INFO L276 IsEmpty]: Start isEmpty. Operand has 123 states, 78 states have (on average 1.205128205128205) internal successors, (94), 79 states have internal predecessors, (94), 30 states have call successors, (30), 13 states have call predecessors, (30), 13 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2022-12-13 17:42:04,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-12-13 17:42:04,944 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:42:04,945 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:42:04,945 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:42:04,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:42:04,950 INFO L85 PathProgramCache]: Analyzing trace with hash -99039486, now seen corresponding path program 1 times [2022-12-13 17:42:04,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 17:42:04,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [198307820] [2022-12-13 17:42:04,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:42:04,966 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 17:42:04,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 17:42:04,967 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 17:42:04,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-13 17:42:05,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:42:05,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 1273 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-13 17:42:05,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:42:05,617 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-12-13 17:42:05,617 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 17:42:05,617 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 17:42:05,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [198307820] [2022-12-13 17:42:05,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [198307820] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:42:05,618 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:42:05,618 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 17:42:05,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460094541] [2022-12-13 17:42:05,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:42:05,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 17:42:05,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 17:42:05,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 17:42:05,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 17:42:05,646 INFO L87 Difference]: Start difference. First operand has 123 states, 78 states have (on average 1.205128205128205) internal successors, (94), 79 states have internal predecessors, (94), 30 states have call successors, (30), 13 states have call predecessors, (30), 13 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-13 17:42:05,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:42:05,672 INFO L93 Difference]: Finished difference Result 239 states and 319 transitions. [2022-12-13 17:42:05,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 17:42:05,673 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 71 [2022-12-13 17:42:05,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:42:05,679 INFO L225 Difference]: With dead ends: 239 [2022-12-13 17:42:05,679 INFO L226 Difference]: Without dead ends: 114 [2022-12-13 17:42:05,682 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 17:42:05,684 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 17:42:05,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 17:42:05,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2022-12-13 17:42:05,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2022-12-13 17:42:05,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 71 states have (on average 1.1549295774647887) internal successors, (82), 72 states have internal predecessors, (82), 30 states have call successors, (30), 13 states have call predecessors, (30), 12 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2022-12-13 17:42:05,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 140 transitions. [2022-12-13 17:42:05,715 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 140 transitions. Word has length 71 [2022-12-13 17:42:05,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:42:05,716 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 140 transitions. [2022-12-13 17:42:05,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-13 17:42:05,716 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 140 transitions. [2022-12-13 17:42:05,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-12-13 17:42:05,718 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:42:05,718 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:42:05,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-13 17:42:05,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 17:42:05,920 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:42:05,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:42:05,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1637360440, now seen corresponding path program 1 times [2022-12-13 17:42:05,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 17:42:05,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [16005189] [2022-12-13 17:42:05,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:42:05,933 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 17:42:05,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 17:42:05,936 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 17:42:05,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-13 17:42:06,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:42:06,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 1273 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 17:42:06,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:42:06,672 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-13 17:42:06,673 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 17:42:06,673 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 17:42:06,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [16005189] [2022-12-13 17:42:06,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [16005189] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:42:06,673 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:42:06,673 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 17:42:06,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214723860] [2022-12-13 17:42:06,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:42:06,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 17:42:06,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 17:42:06,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 17:42:06,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 17:42:06,676 INFO L87 Difference]: Start difference. First operand 114 states and 140 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-12-13 17:42:06,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:42:06,933 INFO L93 Difference]: Finished difference Result 193 states and 240 transitions. [2022-12-13 17:42:06,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 17:42:06,934 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 71 [2022-12-13 17:42:06,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:42:06,937 INFO L225 Difference]: With dead ends: 193 [2022-12-13 17:42:06,937 INFO L226 Difference]: Without dead ends: 116 [2022-12-13 17:42:06,938 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 17:42:06,938 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 29 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 17:42:06,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 452 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 17:42:06,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2022-12-13 17:42:06,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2022-12-13 17:42:06,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 72 states have (on average 1.1527777777777777) internal successors, (83), 74 states have internal predecessors, (83), 30 states have call successors, (30), 13 states have call predecessors, (30), 13 states have return successors, (30), 28 states have call predecessors, (30), 28 states have call successors, (30) [2022-12-13 17:42:06,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 143 transitions. [2022-12-13 17:42:06,958 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 143 transitions. Word has length 71 [2022-12-13 17:42:06,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:42:06,958 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 143 transitions. [2022-12-13 17:42:06,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-12-13 17:42:06,958 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 143 transitions. [2022-12-13 17:42:06,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-12-13 17:42:06,961 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:42:06,961 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:42:06,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-12-13 17:42:07,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 17:42:07,163 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:42:07,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:42:07,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1609710428, now seen corresponding path program 1 times [2022-12-13 17:42:07,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 17:42:07,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1136248114] [2022-12-13 17:42:07,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:42:07,175 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 17:42:07,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 17:42:07,178 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 17:42:07,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aad97d75-27c4-402e-8949-4837b2c54d31/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process