./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness_negated.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_0b884b4d-ec02-4283-bf8f-0b84d9055b3e/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b884b4d-ec02-4283-bf8f-0b84d9055b3e/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b884b4d-ec02-4283-bf8f-0b84d9055b3e/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b884b4d-ec02-4283-bf8f-0b84d9055b3e/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b884b4d-ec02-4283-bf8f-0b84d9055b3e/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b884b4d-ec02-4283-bf8f-0b84d9055b3e/bin/utaipan-gh47qXpMRh --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5c5bc09aedc991d1ae460ef4df59ef2a54e22ab9e059fdab2288e6d08fc4b4be --- 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 [2022-12-14 14:30:46,039 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 14:30:46,041 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 14:30:46,060 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 14:30:46,060 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 14:30:46,061 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 14:30:46,062 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 14:30:46,064 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 14:30:46,065 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 14:30:46,066 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 14:30:46,067 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 14:30:46,068 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 14:30:46,068 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 14:30:46,069 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 14:30:46,070 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 14:30:46,071 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 14:30:46,072 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 14:30:46,073 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 14:30:46,075 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 14:30:46,076 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 14:30:46,078 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 14:30:46,079 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 14:30:46,080 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 14:30:46,081 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 14:30:46,084 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 14:30:46,084 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 14:30:46,084 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 14:30:46,085 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 14:30:46,086 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 14:30:46,087 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 14:30:46,087 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 14:30:46,088 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 14:30:46,088 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 14:30:46,089 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 14:30:46,090 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 14:30:46,090 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 14:30:46,091 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 14:30:46,091 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 14:30:46,091 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 14:30:46,092 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 14:30:46,092 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 14:30:46,093 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b884b4d-ec02-4283-bf8f-0b84d9055b3e/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 14:30:46,106 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 14:30:46,107 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 14:30:46,107 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 14:30:46,107 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 14:30:46,107 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 14:30:46,108 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 14:30:46,108 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 14:30:46,108 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 14:30:46,108 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 14:30:46,108 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 14:30:46,108 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 14:30:46,108 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 14:30:46,108 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 14:30:46,109 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 14:30:46,109 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 14:30:46,109 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 14:30:46,109 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 14:30:46,109 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 14:30:46,110 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 14:30:46,110 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 14:30:46,110 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 14:30:46,110 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 14:30:46,110 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 14:30:46,110 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 14:30:46,110 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 14:30:46,111 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 14:30:46,111 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 14:30:46,111 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 14:30:46,111 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 14:30:46,111 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:30:46,112 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 14:30:46,112 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 14:30:46,112 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 14:30:46,112 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 14:30:46,112 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 14:30:46,112 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 14:30:46,112 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 14:30:46,112 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 14:30:46,113 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b884b4d-ec02-4283-bf8f-0b84d9055b3e/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b884b4d-ec02-4283-bf8f-0b84d9055b3e/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c5bc09aedc991d1ae460ef4df59ef2a54e22ab9e059fdab2288e6d08fc4b4be [2022-12-14 14:30:46,295 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 14:30:46,314 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 14:30:46,317 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 14:30:46,318 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 14:30:46,318 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 14:30:46,319 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b884b4d-ec02-4283-bf8f-0b84d9055b3e/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness_negated.i [2022-12-14 14:30:48,938 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 14:30:49,261 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 14:30:49,261 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b884b4d-ec02-4283-bf8f-0b84d9055b3e/sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness_negated.i [2022-12-14 14:30:49,288 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b884b4d-ec02-4283-bf8f-0b84d9055b3e/bin/utaipan-gh47qXpMRh/data/c9090fb68/fd9acdb54bef4dcca012e790ab73ebbe/FLAGb8757ada4 [2022-12-14 14:30:49,299 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b884b4d-ec02-4283-bf8f-0b84d9055b3e/bin/utaipan-gh47qXpMRh/data/c9090fb68/fd9acdb54bef4dcca012e790ab73ebbe [2022-12-14 14:30:49,302 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 14:30:49,303 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 14:30:49,304 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 14:30:49,304 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 14:30:49,307 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 14:30:49,307 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:30:49" (1/1) ... [2022-12-14 14:30:49,308 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@739bd3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:30:49, skipping insertion in model container [2022-12-14 14:30:49,308 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:30:49" (1/1) ... [2022-12-14 14:30:49,314 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 14:30:49,376 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 14:30:49,576 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_0b884b4d-ec02-4283-bf8f-0b84d9055b3e/sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness_negated.i[4493,4506] [2022-12-14 14:30:49,581 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_0b884b4d-ec02-4283-bf8f-0b84d9055b3e/sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness_negated.i[4553,4566] [2022-12-14 14:30:50,090 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 14:30:50,148 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 14:30:50,152 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:30:50,152 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:30:50,153 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:30:50,153 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:30:50,154 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:30:50,156 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 14:30:50,163 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:30:50,163 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 14:30:50,164 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:30:50,165 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:30:50,165 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:30:50,167 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:30:50,167 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 14:30:50,168 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:30:50,168 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:30:50,168 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:30:50,236 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 14:30:50,237 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 14:30:50,237 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 14:30:50,241 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 14:30:50,242 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 14:30:50,242 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 14:30:50,455 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 14:30:50,455 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 14:30:50,456 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 14:30:50,457 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 14:30:50,458 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 14:30:50,459 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 14:30:50,459 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 14:30:50,460 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 14:30:50,460 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 14:30:50,461 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 14:30:50,461 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 14:30:50,623 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:30:50,624 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:30:50,627 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:30:50,629 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 14:30:50,631 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 14:30:50,632 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 14:30:50,633 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:30:50,634 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 14:30:50,637 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 14:30:50,638 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 14:30:50,638 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 14:30:50,638 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 14:30:50,639 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 14:30:50,639 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 14:30:50,667 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 14:30:50,673 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:30:50,690 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 14:30:50,699 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_0b884b4d-ec02-4283-bf8f-0b84d9055b3e/sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness_negated.i[4493,4506] [2022-12-14 14:30:50,700 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_0b884b4d-ec02-4283-bf8f-0b84d9055b3e/sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness_negated.i[4553,4566] [2022-12-14 14:30:50,720 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 14:30:50,730 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 14:30:50,731 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:30:50,732 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:30:50,732 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:30:50,732 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:30:50,733 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:30:50,734 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 14:30:50,738 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:30:50,738 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 14:30:50,738 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:30:50,739 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:30:50,739 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:30:50,740 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:30:50,740 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 14:30:50,740 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:30:50,741 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:30:50,741 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:30:50,745 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 14:30:50,746 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 14:30:50,746 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 14:30:50,748 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 14:30:50,749 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 14:30:50,749 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 14:30:50,765 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 14:30:50,765 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 14:30:50,766 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 14:30:50,766 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 14:30:50,767 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 14:30:50,767 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 14:30:50,768 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 14:30:50,768 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 14:30:50,768 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 14:30:50,769 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 14:30:50,769 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 14:30:50,787 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:30:50,787 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:30:50,788 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:30:50,789 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 14:30:50,790 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 14:30:50,791 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 14:30:50,792 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:30:50,793 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 14:30:50,794 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 14:30:50,794 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 14:30:50,795 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 14:30:50,795 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 14:30:50,795 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 14:30:50,795 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 14:30:50,807 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 14:30:50,809 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:30:50,934 INFO L208 MainTranslator]: Completed translation [2022-12-14 14:30:50,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:30:50 WrapperNode [2022-12-14 14:30:50,935 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 14:30:50,935 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 14:30:50,936 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 14:30:50,936 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 14:30:50,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:30:50" (1/1) ... [2022-12-14 14:30:50,994 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:30:50" (1/1) ... [2022-12-14 14:30:51,044 INFO L138 Inliner]: procedures = 691, calls = 1672, calls flagged for inlining = 52, calls inlined = 7, statements flattened = 694 [2022-12-14 14:30:51,045 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 14:30:51,045 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 14:30:51,045 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 14:30:51,045 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 14:30:51,056 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:30:50" (1/1) ... [2022-12-14 14:30:51,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:30:50" (1/1) ... [2022-12-14 14:30:51,063 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:30:50" (1/1) ... [2022-12-14 14:30:51,063 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:30:50" (1/1) ... [2022-12-14 14:30:51,089 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:30:50" (1/1) ... [2022-12-14 14:30:51,092 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:30:50" (1/1) ... [2022-12-14 14:30:51,097 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:30:50" (1/1) ... [2022-12-14 14:30:51,101 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:30:50" (1/1) ... [2022-12-14 14:30:51,110 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 14:30:51,111 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 14:30:51,111 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 14:30:51,111 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 14:30:51,112 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:30:50" (1/1) ... [2022-12-14 14:30:51,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:30:51,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b884b4d-ec02-4283-bf8f-0b84d9055b3e/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:30:51,139 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b884b4d-ec02-4283-bf8f-0b84d9055b3e/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 14:30:51,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b884b4d-ec02-4283-bf8f-0b84d9055b3e/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 14:30:51,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 14:30:51,183 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-12-14 14:30:51,183 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-12-14 14:30:51,183 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-12-14 14:30:51,183 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-12-14 14:30:51,183 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-12-14 14:30:51,183 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-12-14 14:30:51,183 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2022-12-14 14:30:51,183 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2022-12-14 14:30:51,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 14:30:51,183 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-12-14 14:30:51,183 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-12-14 14:30:51,184 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 14:30:51,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 14:30:51,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 14:30:51,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 14:30:51,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 14:30:51,184 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-12-14 14:30:51,184 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-12-14 14:30:51,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 14:30:51,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 14:30:51,184 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-12-14 14:30:51,185 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-12-14 14:30:51,185 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-12-14 14:30:51,185 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-12-14 14:30:51,185 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-12-14 14:30:51,185 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-12-14 14:30:51,185 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2022-12-14 14:30:51,185 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2022-12-14 14:30:51,185 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 14:30:51,185 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 14:30:51,185 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-12-14 14:30:51,185 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-12-14 14:30:51,185 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2022-12-14 14:30:51,185 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2022-12-14 14:30:51,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 14:30:51,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 14:30:51,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 14:30:51,186 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-12-14 14:30:51,186 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-12-14 14:30:51,186 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-12-14 14:30:51,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-12-14 14:30:51,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 14:30:51,186 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-12-14 14:30:51,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-12-14 14:30:51,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 14:30:51,398 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 14:30:51,400 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 14:30:52,010 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 14:30:52,093 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 14:30:52,093 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 14:30:52,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:30:52 BoogieIcfgContainer [2022-12-14 14:30:52,096 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 14:30:52,098 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 14:30:52,098 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 14:30:52,101 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 14:30:52,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 02:30:49" (1/3) ... [2022-12-14 14:30:52,102 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7787304d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:30:52, skipping insertion in model container [2022-12-14 14:30:52,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:30:50" (2/3) ... [2022-12-14 14:30:52,102 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7787304d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:30:52, skipping insertion in model container [2022-12-14 14:30:52,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:30:52" (3/3) ... [2022-12-14 14:30:52,103 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_copy_harness_negated.i [2022-12-14 14:30:52,117 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 14:30:52,117 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 14:30:52,154 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 14:30:52,159 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=FINITE_AUTOMATA, 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;@565f88e9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 14:30:52,159 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 14:30:52,162 INFO L276 IsEmpty]: Start isEmpty. Operand has 180 states, 90 states have (on average 1.1777777777777778) internal successors, (106), 91 states have internal predecessors, (106), 71 states have call successors, (71), 17 states have call predecessors, (71), 17 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2022-12-14 14:30:52,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-12-14 14:30:52,171 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:30:52,172 INFO L195 NwaCegarLoop]: trace histogram [12, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-12-14 14:30:52,172 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:30:52,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:30:52,176 INFO L85 PathProgramCache]: Analyzing trace with hash -1794843494, now seen corresponding path program 1 times [2022-12-14 14:30:52,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:30:52,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692854120] [2022-12-14 14:30:52,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:30:52,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:30:52,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:30:52,491 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:30:52,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692854120] [2022-12-14 14:30:52,492 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-12-14 14:30:52,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1175789693] [2022-12-14 14:30:52,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:30:52,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:30:52,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b884b4d-ec02-4283-bf8f-0b84d9055b3e/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:30:52,494 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b884b4d-ec02-4283-bf8f-0b84d9055b3e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:30:52,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b884b4d-ec02-4283-bf8f-0b84d9055b3e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 14:30:52,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:30:52,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 2319 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 14:30:52,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:30:53,074 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-12-14 14:30:53,074 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:30:53,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1175789693] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:30:53,075 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:30:53,075 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 14:30:53,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645717179] [2022-12-14 14:30:53,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:30:53,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 14:30:53,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:30:53,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 14:30:53,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:30:53,108 INFO L87 Difference]: Start difference. First operand has 180 states, 90 states have (on average 1.1777777777777778) internal successors, (106), 91 states have internal predecessors, (106), 71 states have call successors, (71), 17 states have call predecessors, (71), 17 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-12-14 14:30:53,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:30:53,540 INFO L93 Difference]: Finished difference Result 356 states and 514 transitions. [2022-12-14 14:30:53,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 14:30:53,543 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 112 [2022-12-14 14:30:53,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:30:53,553 INFO L225 Difference]: With dead ends: 356 [2022-12-14 14:30:53,553 INFO L226 Difference]: Without dead ends: 180 [2022-12-14 14:30:53,557 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-14 14:30:53,559 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 49 mSDsluCounter, 505 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 711 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 14:30:53,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 711 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 14:30:53,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2022-12-14 14:30:53,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 180. [2022-12-14 14:30:53,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 90 states have (on average 1.1666666666666667) internal successors, (105), 92 states have internal predecessors, (105), 71 states have call successors, (71), 17 states have call predecessors, (71), 18 states have return successors, (82), 70 states have call predecessors, (82), 70 states have call successors, (82) [2022-12-14 14:30:53,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 258 transitions. [2022-12-14 14:30:53,603 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 258 transitions. Word has length 112 [2022-12-14 14:30:53,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:30:53,604 INFO L495 AbstractCegarLoop]: Abstraction has 180 states and 258 transitions. [2022-12-14 14:30:53,604 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-12-14 14:30:53,604 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 258 transitions. [2022-12-14 14:30:53,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-12-14 14:30:53,607 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:30:53,607 INFO L195 NwaCegarLoop]: trace histogram [12, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-12-14 14:30:53,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b884b4d-ec02-4283-bf8f-0b84d9055b3e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 14:30:53,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b884b4d-ec02-4283-bf8f-0b84d9055b3e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:30:53,808 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:30:53,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:30:53,808 INFO L85 PathProgramCache]: Analyzing trace with hash -7969775, now seen corresponding path program 1 times [2022-12-14 14:30:53,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:30:53,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241196314] [2022-12-14 14:30:53,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:30:53,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:30:53,899 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 14:30:53,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1800062595] [2022-12-14 14:30:53,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:30:53,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:30:53,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b884b4d-ec02-4283-bf8f-0b84d9055b3e/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:30:53,901 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b884b4d-ec02-4283-bf8f-0b84d9055b3e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:30:53,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b884b4d-ec02-4283-bf8f-0b84d9055b3e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 14:30:54,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:30:54,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 2451 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 14:30:54,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:30:54,339 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-12-14 14:30:54,340 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:30:54,340 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:30:54,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241196314] [2022-12-14 14:30:54,340 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 14:30:54,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1800062595] [2022-12-14 14:30:54,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1800062595] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:30:54,340 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:30:54,340 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 14:30:54,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271905149] [2022-12-14 14:30:54,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:30:54,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 14:30:54,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:30:54,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 14:30:54,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:30:54,342 INFO L87 Difference]: Start difference. First operand 180 states and 258 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-12-14 14:30:54,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:30:54,856 INFO L93 Difference]: Finished difference Result 330 states and 471 transitions. [2022-12-14 14:30:54,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 14:30:54,856 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 121 [2022-12-14 14:30:54,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:30:54,860 INFO L225 Difference]: With dead ends: 330 [2022-12-14 14:30:54,860 INFO L226 Difference]: Without dead ends: 180 [2022-12-14 14:30:54,861 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-14 14:30:54,862 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 47 mSDsluCounter, 505 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 711 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-14 14:30:54,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 711 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-14 14:30:54,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2022-12-14 14:30:54,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 180. [2022-12-14 14:30:54,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 90 states have (on average 1.1666666666666667) internal successors, (105), 92 states have internal predecessors, (105), 71 states have call successors, (71), 17 states have call predecessors, (71), 18 states have return successors, (80), 70 states have call predecessors, (80), 70 states have call successors, (80) [2022-12-14 14:30:54,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 256 transitions. [2022-12-14 14:30:54,875 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 256 transitions. Word has length 121 [2022-12-14 14:30:54,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:30:54,875 INFO L495 AbstractCegarLoop]: Abstraction has 180 states and 256 transitions. [2022-12-14 14:30:54,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-12-14 14:30:54,875 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 256 transitions. [2022-12-14 14:30:54,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-12-14 14:30:54,877 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:30:54,877 INFO L195 NwaCegarLoop]: trace histogram [12, 5, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-12-14 14:30:54,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b884b4d-ec02-4283-bf8f-0b84d9055b3e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 14:30:55,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b884b4d-ec02-4283-bf8f-0b84d9055b3e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:30:55,079 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:30:55,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:30:55,081 INFO L85 PathProgramCache]: Analyzing trace with hash -262288090, now seen corresponding path program 2 times [2022-12-14 14:30:55,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:30:55,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109426743] [2022-12-14 14:30:55,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:30:55,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:30:55,199 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 14:30:55,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [143812042] [2022-12-14 14:30:55,199 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 14:30:55,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:30:55,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b884b4d-ec02-4283-bf8f-0b84d9055b3e/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:30:55,200 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b884b4d-ec02-4283-bf8f-0b84d9055b3e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:30:55,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b884b4d-ec02-4283-bf8f-0b84d9055b3e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 14:30:55,486 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-12-14 14:30:55,486 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 14:30:55,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 1918 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 14:30:55,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:30:55,516 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2022-12-14 14:30:55,516 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:30:55,516 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:30:55,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109426743] [2022-12-14 14:30:55,516 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 14:30:55,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [143812042] [2022-12-14 14:30:55,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [143812042] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:30:55,517 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:30:55,517 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 14:30:55,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192162093] [2022-12-14 14:30:55,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:30:55,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 14:30:55,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:30:55,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 14:30:55,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:30:55,518 INFO L87 Difference]: Start difference. First operand 180 states and 256 transitions. Second operand has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-14 14:30:56,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:30:56,383 INFO L93 Difference]: Finished difference Result 228 states and 318 transitions. [2022-12-14 14:30:56,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 14:30:56,383 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) Word has length 130 [2022-12-14 14:30:56,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:30:56,386 INFO L225 Difference]: With dead ends: 228 [2022-12-14 14:30:56,386 INFO L226 Difference]: Without dead ends: 184 [2022-12-14 14:30:56,386 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-14 14:30:56,387 INFO L413 NwaCegarLoop]: 225 mSDtfsCounter, 1 mSDsluCounter, 668 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 893 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 14:30:56,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 893 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 14:30:56,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2022-12-14 14:30:56,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2022-12-14 14:30:56,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 93 states have (on average 1.1612903225806452) internal successors, (108), 95 states have internal predecessors, (108), 71 states have call successors, (71), 17 states have call predecessors, (71), 19 states have return successors, (82), 71 states have call predecessors, (82), 70 states have call successors, (82) [2022-12-14 14:30:56,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 261 transitions. [2022-12-14 14:30:56,408 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 261 transitions. Word has length 130 [2022-12-14 14:30:56,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:30:56,409 INFO L495 AbstractCegarLoop]: Abstraction has 184 states and 261 transitions. [2022-12-14 14:30:56,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-14 14:30:56,409 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 261 transitions. [2022-12-14 14:30:56,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-12-14 14:30:56,412 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:30:56,412 INFO L195 NwaCegarLoop]: trace histogram [12, 5, 5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-12-14 14:30:56,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b884b4d-ec02-4283-bf8f-0b84d9055b3e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-12-14 14:30:56,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b884b4d-ec02-4283-bf8f-0b84d9055b3e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:30:56,614 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:30:56,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:30:56,615 INFO L85 PathProgramCache]: Analyzing trace with hash 100296531, now seen corresponding path program 1 times [2022-12-14 14:30:56,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:30:56,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78625139] [2022-12-14 14:30:56,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:30:56,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:30:56,736 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 14:30:56,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [847112908] [2022-12-14 14:30:56,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:30:56,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:30:56,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b884b4d-ec02-4283-bf8f-0b84d9055b3e/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:30:56,737 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b884b4d-ec02-4283-bf8f-0b84d9055b3e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:30:56,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b884b4d-ec02-4283-bf8f-0b84d9055b3e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 14:30:57,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:30:57,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 2586 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 14:30:57,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:30:57,169 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2022-12-14 14:30:57,169 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:30:57,169 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:30:57,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78625139] [2022-12-14 14:30:57,170 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 14:30:57,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [847112908] [2022-12-14 14:30:57,170 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [847112908] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:30:57,170 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:30:57,170 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 14:30:57,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314231817] [2022-12-14 14:30:57,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:30:57,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 14:30:57,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:30:57,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 14:30:57,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 14:30:57,172 INFO L87 Difference]: Start difference. First operand 184 states and 261 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2022-12-14 14:30:57,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:30:57,806 INFO L93 Difference]: Finished difference Result 327 states and 460 transitions. [2022-12-14 14:30:57,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 14:30:57,807 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) Word has length 134 [2022-12-14 14:30:57,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:30:57,810 INFO L225 Difference]: With dead ends: 327 [2022-12-14 14:30:57,810 INFO L226 Difference]: Without dead ends: 184 [2022-12-14 14:30:57,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-14 14:30:57,812 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 82 mSDsluCounter, 624 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 823 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-14 14:30:57,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 823 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-14 14:30:57,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2022-12-14 14:30:57,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2022-12-14 14:30:57,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 93 states have (on average 1.1612903225806452) internal successors, (108), 95 states have internal predecessors, (108), 71 states have call successors, (71), 17 states have call predecessors, (71), 19 states have return successors, (77), 71 states have call predecessors, (77), 70 states have call successors, (77) [2022-12-14 14:30:57,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 256 transitions. [2022-12-14 14:30:57,828 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 256 transitions. Word has length 134 [2022-12-14 14:30:57,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:30:57,829 INFO L495 AbstractCegarLoop]: Abstraction has 184 states and 256 transitions. [2022-12-14 14:30:57,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2022-12-14 14:30:57,829 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 256 transitions. [2022-12-14 14:30:57,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-12-14 14:30:57,831 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:30:57,832 INFO L195 NwaCegarLoop]: trace histogram [12, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1] [2022-12-14 14:30:57,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b884b4d-ec02-4283-bf8f-0b84d9055b3e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 14:30:58,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b884b4d-ec02-4283-bf8f-0b84d9055b3e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:30:58,034 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:30:58,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:30:58,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1897826013, now seen corresponding path program 1 times [2022-12-14 14:30:58,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:30:58,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674151712] [2022-12-14 14:30:58,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:30:58,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:30:58,131 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 14:30:58,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [477594494] [2022-12-14 14:30:58,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:30:58,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:30:58,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b884b4d-ec02-4283-bf8f-0b84d9055b3e/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:30:58,133 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b884b4d-ec02-4283-bf8f-0b84d9055b3e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:30:58,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b884b4d-ec02-4283-bf8f-0b84d9055b3e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 14:30:58,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:30:58,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 2731 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 14:30:58,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:30:58,604 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2022-12-14 14:30:58,605 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:30:58,605 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:30:58,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674151712] [2022-12-14 14:30:58,605 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 14:30:58,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [477594494] [2022-12-14 14:30:58,605 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [477594494] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:30:58,605 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:30:58,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 14:30:58,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238400273] [2022-12-14 14:30:58,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:30:58,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 14:30:58,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:30:58,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 14:30:58,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 14:30:58,607 INFO L87 Difference]: Start difference. First operand 184 states and 256 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 4 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2022-12-14 14:30:58,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:30:58,999 INFO L93 Difference]: Finished difference Result 324 states and 445 transitions. [2022-12-14 14:30:58,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 14:30:58,999 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 4 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 142 [2022-12-14 14:30:59,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:30:59,000 INFO L225 Difference]: With dead ends: 324 [2022-12-14 14:30:59,001 INFO L226 Difference]: Without dead ends: 182 [2022-12-14 14:30:59,001 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-14 14:30:59,002 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 81 mSDsluCounter, 623 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 821 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 14:30:59,002 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 821 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 14:30:59,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2022-12-14 14:30:59,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2022-12-14 14:30:59,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 92 states have (on average 1.1521739130434783) internal successors, (106), 93 states have internal predecessors, (106), 71 states have call successors, (71), 17 states have call predecessors, (71), 18 states have return successors, (72), 71 states have call predecessors, (72), 70 states have call successors, (72) [2022-12-14 14:30:59,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 249 transitions. [2022-12-14 14:30:59,010 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 249 transitions. Word has length 142 [2022-12-14 14:30:59,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:30:59,010 INFO L495 AbstractCegarLoop]: Abstraction has 182 states and 249 transitions. [2022-12-14 14:30:59,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 4 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2022-12-14 14:30:59,010 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 249 transitions. [2022-12-14 14:30:59,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-12-14 14:30:59,012 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:30:59,012 INFO L195 NwaCegarLoop]: trace histogram [12, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-12-14 14:30:59,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b884b4d-ec02-4283-bf8f-0b84d9055b3e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-14 14:30:59,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b884b4d-ec02-4283-bf8f-0b84d9055b3e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:30:59,213 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:30:59,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:30:59,215 INFO L85 PathProgramCache]: Analyzing trace with hash -657563662, now seen corresponding path program 1 times [2022-12-14 14:30:59,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:30:59,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959915046] [2022-12-14 14:30:59,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:30:59,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:30:59,307 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 14:30:59,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [966874496] [2022-12-14 14:30:59,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:30:59,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:30:59,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b884b4d-ec02-4283-bf8f-0b84d9055b3e/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:30:59,309 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b884b4d-ec02-4283-bf8f-0b84d9055b3e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:30:59,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b884b4d-ec02-4283-bf8f-0b84d9055b3e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-14 14:30:59,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:30:59,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 2863 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 14:30:59,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:30:59,802 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2022-12-14 14:30:59,802 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:30:59,802 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:30:59,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959915046] [2022-12-14 14:30:59,803 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 14:30:59,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [966874496] [2022-12-14 14:30:59,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [966874496] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:30:59,803 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:30:59,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 14:30:59,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792521727] [2022-12-14 14:30:59,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:30:59,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 14:30:59,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:30:59,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 14:30:59,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 14:30:59,805 INFO L87 Difference]: Start difference. First operand 182 states and 249 transitions. Second operand has 6 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 1 states have call successors, (24) [2022-12-14 14:31:01,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:31:01,096 INFO L93 Difference]: Finished difference Result 227 states and 304 transitions. [2022-12-14 14:31:01,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 14:31:01,096 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 1 states have call successors, (24) Word has length 151 [2022-12-14 14:31:01,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:31:01,097 INFO L225 Difference]: With dead ends: 227 [2022-12-14 14:31:01,097 INFO L226 Difference]: Without dead ends: 191 [2022-12-14 14:31:01,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-14 14:31:01,098 INFO L413 NwaCegarLoop]: 227 mSDtfsCounter, 4 mSDsluCounter, 894 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1121 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-14 14:31:01,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1121 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-14 14:31:01,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2022-12-14 14:31:01,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 184. [2022-12-14 14:31:01,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 94 states have (on average 1.148936170212766) internal successors, (108), 95 states have internal predecessors, (108), 71 states have call successors, (71), 17 states have call predecessors, (71), 18 states have return successors, (72), 71 states have call predecessors, (72), 70 states have call successors, (72) [2022-12-14 14:31:01,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 251 transitions. [2022-12-14 14:31:01,107 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 251 transitions. Word has length 151 [2022-12-14 14:31:01,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:31:01,107 INFO L495 AbstractCegarLoop]: Abstraction has 184 states and 251 transitions. [2022-12-14 14:31:01,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 1 states have call successors, (24) [2022-12-14 14:31:01,107 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 251 transitions. [2022-12-14 14:31:01,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-12-14 14:31:01,108 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:31:01,108 INFO L195 NwaCegarLoop]: trace histogram [12, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-12-14 14:31:01,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b884b4d-ec02-4283-bf8f-0b84d9055b3e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-14 14:31:01,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b884b4d-ec02-4283-bf8f-0b84d9055b3e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:31:01,310 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:31:01,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:31:01,312 INFO L85 PathProgramCache]: Analyzing trace with hash -2130163914, now seen corresponding path program 1 times [2022-12-14 14:31:01,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:31:01,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741198778] [2022-12-14 14:31:01,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:31:01,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:31:01,377 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 14:31:01,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [828550060] [2022-12-14 14:31:01,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:31:01,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:31:01,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b884b4d-ec02-4283-bf8f-0b84d9055b3e/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:31:01,378 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b884b4d-ec02-4283-bf8f-0b84d9055b3e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:31:01,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b884b4d-ec02-4283-bf8f-0b84d9055b3e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-14 14:31:01,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:31:01,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 2982 conjuncts, 186 conjunts are in the unsatisfiable core [2022-12-14 14:31:01,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:31:01,911 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 14:31:01,912 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 14:31:02,273 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 21 treesize of output 20 [2022-12-14 14:31:02,280 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-14 14:31:02,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:31:02,660 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-12-14 14:31:02,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:31:02,666 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-12-14 14:31:02,675 INFO L321 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-12-14 14:31:02,675 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2022-12-14 14:31:03,078 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_886 (Array Int Int))) (= (store |c_old(#memory_$Pointer$.offset)| |c_ensure_array_list_has_allocated_data_member_#in~list.base| v_ArrVal_886) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_887 (Array Int Int))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_ensure_array_list_has_allocated_data_member_#in~list.base| v_ArrVal_887)))) is different from true [2022-12-14 14:31:03,091 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-12-14 14:31:03,099 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-12-14 14:31:03,176 WARN L859 $PredicateComparison]: unable to prove that (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| Int) (v_ArrVal_891 Int) (v_ArrVal_889 Int)) (and (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| (store (select |c_old(#memory_$Pointer$.offset)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base|) |c_aws_mul_size_checked_#in~r#1.offset| v_ArrVal_889))) (= (store |c_old(#memory_$Pointer$.base)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| (store (select |c_old(#memory_$Pointer$.base)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base|) |c_aws_mul_size_checked_#in~r#1.offset| v_ArrVal_891)) |c_#memory_$Pointer$.base|))) is different from true [2022-12-14 14:31:03,191 WARN L859 $PredicateComparison]: unable to prove that (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| Int) (v_ArrVal_891 Int) (v_ArrVal_889 Int)) (and (= (store |c_old(#memory_$Pointer$.offset)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| (store (select |c_old(#memory_$Pointer$.offset)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base|) 0 v_ArrVal_889)) |c_#memory_$Pointer$.offset|) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| (store (select |c_old(#memory_$Pointer$.base)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base|) 0 v_ArrVal_891))))) is different from true [2022-12-14 14:31:03,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:31:03,209 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-14 14:31:03,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:31:03,214 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-14 14:31:03,556 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 172 proven. 40 refuted. 0 times theorem prover too weak. 90 trivial. 7 not checked. [2022-12-14 14:31:03,556 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:31:08,297 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:31:08,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741198778] [2022-12-14 14:31:08,297 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 14:31:08,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [828550060] [2022-12-14 14:31:08,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [828550060] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 14:31:08,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [222645504] [2022-12-14 14:31:08,312 INFO L159 IcfgInterpreter]: Started Sifa with 69 locations of interest [2022-12-14 14:31:08,312 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 14:31:08,314 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 14:31:08,318 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 14:31:08,318 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 14:31:10,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:31:10,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:31:11,188 INFO L217 Elim1Store]: Index analysis took 424 ms [2022-12-14 14:32:06,764 WARN L233 SmtUtils]: Spent 55.53s on a formula simplification. DAG size of input: 3135 DAG size of output: 1567 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 14:32:06,770 INFO L321 Elim1Store]: treesize reduction 7432, result has 25.5 percent of original size [2022-12-14 14:32:06,774 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 199 select indices, 199 select index equivalence classes, 19310 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 588 case distinctions, treesize of input 1009 treesize of output 3157 [2022-12-14 14:32:11,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:32:11,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:32:12,084 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 196 select indices, 196 select index equivalence classes, 19505 disjoint index pairs (out of 19110 index pairs), introduced 196 new quantified variables, introduced 0 case distinctions, treesize of input 990 treesize of output 1579 [2022-12-14 14:33:57,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:33:57,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:33:57,484 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2022-12-14 14:33:57,489 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 15 treesize of output 1 [2022-12-14 14:33:57,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:33:57,496 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2022-12-14 14:33:57,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:33:57,504 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2022-12-14 14:34:02,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:02,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:02,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:02,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:02,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:02,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:02,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:02,336 INFO L217 Elim1Store]: Index analysis took 103 ms [2022-12-14 14:34:02,361 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-12-14 14:34:02,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:02,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:03,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:03,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:03,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:03,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:03,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:03,115 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-12-14 14:34:03,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:03,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:03,680 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 199 select indices, 199 select index equivalence classes, 19701 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 0 case distinctions, treesize of input 996 treesize of output 598 [2022-12-14 14:34:04,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:04,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:04,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:04,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:04,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:04,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:04,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:04,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:04,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:04,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:04,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:04,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:04,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:04,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:04,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:04,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:04,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:04,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:04,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:04,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:04,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:04,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:04,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:04,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:04,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:04,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:04,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:04,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:04,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:04,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:04,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:04,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:04,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:04,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:04,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:04,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:04,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:04,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:04,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:04,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:04,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:04,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:04,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:04,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:04,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:04,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:04,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:04,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:04,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:04,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:04,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:04,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:04,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:04,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:04,246 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 55 select indices, 55 select index equivalence classes, 1244 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 0 case distinctions, treesize of input 644 treesize of output 304 [2022-12-14 14:34:04,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:04,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:04,770 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19505 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 991 treesize of output 595 [2022-12-14 14:34:20,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:20,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:20,835 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19505 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 991 treesize of output 595 [2022-12-14 14:34:21,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:21,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:21,494 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 199 select indices, 199 select index equivalence classes, 19701 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 0 case distinctions, treesize of input 996 treesize of output 598 [2022-12-14 14:34:22,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:22,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:22,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:22,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:22,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:22,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:22,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:22,394 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-12-14 14:34:22,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:22,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:22,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:22,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:22,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:22,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:22,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:22,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:22,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:22,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:22,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:22,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:22,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:22,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:22,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:22,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:22,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:22,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:22,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:22,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:22,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:22,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:22,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:22,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:22,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:22,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:22,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:22,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:22,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:22,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:22,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:22,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:22,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:22,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:22,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:22,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:22,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:22,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:22,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:22,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:22,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:22,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:22,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:22,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:22,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:22,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:22,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:22,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:22,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:22,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:22,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:22,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:22,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:22,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:22,965 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 55 select indices, 55 select index equivalence classes, 1244 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 0 case distinctions, treesize of input 644 treesize of output 304 [2022-12-14 14:34:23,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:23,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:23,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:23,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:23,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:23,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:23,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:23,489 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-12-14 14:34:27,316 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 14:34:27,321 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 [2022-12-14 14:34:27,349 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 14:34:27,352 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 [2022-12-14 14:34:27,380 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 15 treesize of output 1 [2022-12-14 14:34:27,384 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 15 treesize of output 1 [2022-12-14 14:34:27,389 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 15 treesize of output 1 [2022-12-14 14:34:27,393 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 13 treesize of output 9 [2022-12-14 14:34:27,503 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:34:27,527 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 14:34:27,527 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2022-12-14 14:34:27,535 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:34:27,577 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:34:27,597 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 14:34:27,597 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2022-12-14 14:34:27,607 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:34:27,747 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 [2022-12-14 14:34:30,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:30,499 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 198 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 30 [2022-12-14 14:34:30,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:30,564 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 198 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 24 [2022-12-14 14:34:30,709 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 198 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-12-14 14:34:33,211 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 198 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-12-14 14:34:33,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:33,301 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 198 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 30 [2022-12-14 14:34:33,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:33,365 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 198 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 24 [2022-12-14 14:34:37,347 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 181 treesize of output 145 [2022-12-14 14:34:37,380 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 181 treesize of output 145 [2022-12-14 14:34:37,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:37,526 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 30 [2022-12-14 14:34:37,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:37,532 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 24 [2022-12-14 14:34:37,542 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-12-14 14:34:37,667 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-12-14 14:34:37,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:37,676 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 30 [2022-12-14 14:34:37,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:34:37,682 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 24 [2022-12-14 14:34:38,062 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:34:38,063 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:34:38,064 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:34:38,072 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 14:34:38,073 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 65 treesize of output 29 [2022-12-14 14:34:38,085 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:34:38,086 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 48 [2022-12-14 14:34:38,094 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:34:38,095 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 36 [2022-12-14 14:34:38,378 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:34:38,379 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:34:38,380 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:34:38,388 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 14:34:38,389 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 65 treesize of output 29 [2022-12-14 14:34:38,402 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:34:38,402 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 48 [2022-12-14 14:34:38,410 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:34:38,411 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 36 [2022-12-14 14:34:38,849 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 14:34:38,857 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 [2022-12-14 14:34:38,911 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:34:38,920 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-12-14 14:34:38,929 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:34:38,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:34:39,006 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-12-14 14:34:39,015 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:35:19,880 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 54 for LOIs [2022-12-14 14:35:19,899 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_valid with input of size 76 for LOIs [2022-12-14 14:35:19,938 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 14:35:19,946 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 [2022-12-14 14:35:20,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:35:20,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:35:20,066 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 14:35:20,067 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 10 [2022-12-14 14:35:20,086 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:35:20,099 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:35:20,212 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:35:20,234 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 14:35:20,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:35:20,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:35:20,253 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 14:35:20,253 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 10 [2022-12-14 14:35:20,395 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 [2022-12-14 14:35:20,534 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_bounded with input of size 3261 for LOIs [2022-12-14 14:35:37,889 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 47 for LOIs [2022-12-14 14:35:37,979 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 15 treesize of output 1 [2022-12-14 14:35:37,986 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 15 treesize of output 1 [2022-12-14 14:35:37,992 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 15 treesize of output 1 [2022-12-14 14:35:38,002 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 13 treesize of output 9 [2022-12-14 14:35:38,417 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 49 for LOIs [2022-12-14 14:35:38,428 INFO L197 IcfgInterpreter]: Interpreting procedure aws_raise_error with input of size 62 for LOIs [2022-12-14 14:35:38,441 INFO L197 IcfgInterpreter]: Interpreting procedure ensure_array_list_has_allocated_data_member with input of size 3325 for LOIs [2022-12-14 14:37:48,561 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 15 treesize of output 1 [2022-12-14 14:37:48,569 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 15 treesize of output 1 [2022-12-14 14:37:48,579 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 [2022-12-14 14:37:48,588 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 [2022-12-14 14:38:18,686 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_allocator with input of size 70 for LOIs [2022-12-14 14:38:18,692 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 70 for LOIs [2022-12-14 14:38:18,700 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 14:40:16,888 WARN L233 SmtUtils]: Spent 1.89m on a formula simplification. DAG size of input: 3210 DAG size of output: 2442 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 14:43:12,035 WARN L233 SmtUtils]: Spent 2.78m on a formula simplification. DAG size of input: 3251 DAG size of output: 2473 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)