./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21b5e-165f-46f2-91c7-74baf3a88e53/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21b5e-165f-46f2-91c7-74baf3a88e53/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21b5e-165f-46f2-91c7-74baf3a88e53/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21b5e-165f-46f2-91c7-74baf3a88e53/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21b5e-165f-46f2-91c7-74baf3a88e53/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21b5e-165f-46f2-91c7-74baf3a88e53/bin/utaipan-ByfvJB40ur --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 bc5ed5fb850d9a2c9d9a14514ffc7939afe81a277edfb59aefd3c5f66024eda8 --- 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-38b53e6 [2022-11-26 00:22:09,066 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:22:09,068 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:22:09,092 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:22:09,096 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:22:09,099 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:22:09,104 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:22:09,107 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:22:09,109 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:22:09,114 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:22:09,116 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:22:09,118 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:22:09,118 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:22:09,121 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:22:09,123 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:22:09,126 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:22:09,128 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:22:09,129 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:22:09,130 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:22:09,137 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:22:09,138 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:22:09,140 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:22:09,142 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:22:09,143 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:22:09,151 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:22:09,153 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:22:09,153 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:22:09,155 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:22:09,155 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:22:09,156 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:22:09,158 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:22:09,159 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:22:09,161 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:22:09,162 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:22:09,163 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:22:09,163 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:22:09,164 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:22:09,164 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:22:09,164 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:22:09,166 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:22:09,167 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:22:09,168 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21b5e-165f-46f2-91c7-74baf3a88e53/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-26 00:22:09,208 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:22:09,209 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:22:09,209 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:22:09,210 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:22:09,228 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:22:09,228 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:22:09,230 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:22:09,230 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:22:09,230 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:22:09,230 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:22:09,231 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:22:09,231 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:22:09,231 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:22:09,231 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:22:09,232 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:22:09,232 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:22:09,232 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:22:09,232 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:22:09,233 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:22:09,234 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:22:09,234 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:22:09,234 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:22:09,234 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:22:09,235 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:22:09,235 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:22:09,235 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:22:09,235 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:22:09,236 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:22:09,236 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:22:09,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:22:09,237 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:22:09,237 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:22:09,237 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:22:09,237 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:22:09,238 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:22:09,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:22:09,238 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:22:09,238 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:22:09,239 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_78f21b5e-165f-46f2-91c7-74baf3a88e53/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21b5e-165f-46f2-91c7-74baf3a88e53/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc5ed5fb850d9a2c9d9a14514ffc7939afe81a277edfb59aefd3c5f66024eda8 [2022-11-26 00:22:09,495 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:22:09,532 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:22:09,534 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:22:09,536 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:22:09,536 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:22:09,537 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21b5e-165f-46f2-91c7-74baf3a88e53/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i [2022-11-26 00:22:12,501 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:22:13,094 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:22:13,095 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21b5e-165f-46f2-91c7-74baf3a88e53/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i [2022-11-26 00:22:13,137 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21b5e-165f-46f2-91c7-74baf3a88e53/bin/utaipan-ByfvJB40ur/data/b8af9ffe8/72f7250c953341b3b5f1ebc03e2cee07/FLAG19261883c [2022-11-26 00:22:13,158 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21b5e-165f-46f2-91c7-74baf3a88e53/bin/utaipan-ByfvJB40ur/data/b8af9ffe8/72f7250c953341b3b5f1ebc03e2cee07 [2022-11-26 00:22:13,161 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:22:13,162 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:22:13,163 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:22:13,163 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:22:13,170 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:22:13,172 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:22:13" (1/1) ... [2022-11-26 00:22:13,173 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a7d885a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:22:13, skipping insertion in model container [2022-11-26 00:22:13,173 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:22:13" (1/1) ... [2022-11-26 00:22:13,181 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:22:13,323 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:22:13,588 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_78f21b5e-165f-46f2-91c7-74baf3a88e53/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i[4499,4512] [2022-11-26 00:22:13,598 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_78f21b5e-165f-46f2-91c7-74baf3a88e53/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i[4559,4572] [2022-11-26 00:22:14,825 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:22:14,826 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:22:14,826 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:22:14,827 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:22:14,829 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:22:14,844 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:22:14,845 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:22:14,847 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:22:14,847 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:22:14,961 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:22:14,962 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:22:14,963 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:22:14,970 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-11-26 00:22:14,972 WARN L623 FunctionHandler]: Unknown extern function htons [2022-11-26 00:22:14,973 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-11-26 00:22:15,335 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-26 00:22:15,341 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-26 00:22:15,344 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-26 00:22:15,350 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-26 00:22:15,355 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-26 00:22:15,358 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-26 00:22:15,363 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-26 00:22:15,364 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-26 00:22:15,367 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-26 00:22:15,368 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-26 00:22:15,370 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-26 00:22:15,556 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-26 00:22:15,599 WARN L623 FunctionHandler]: Unknown extern function memchr [2022-11-26 00:22:15,610 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 00:22:15,638 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 00:22:15,646 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:22:15,652 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:22:15,725 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-26 00:22:15,736 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-26 00:22:15,738 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-26 00:22:15,744 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 00:22:15,765 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:22:15,844 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:22:15,875 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_78f21b5e-165f-46f2-91c7-74baf3a88e53/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i[4499,4512] [2022-11-26 00:22:15,875 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_78f21b5e-165f-46f2-91c7-74baf3a88e53/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i[4559,4572] [2022-11-26 00:22:15,929 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:22:15,933 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:22:15,933 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:22:15,934 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:22:15,935 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:22:15,941 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:22:15,941 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:22:15,943 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:22:15,943 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:22:15,954 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:22:15,955 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:22:15,956 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:22:15,962 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-11-26 00:22:15,963 WARN L623 FunctionHandler]: Unknown extern function htons [2022-11-26 00:22:15,963 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-11-26 00:22:15,994 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-26 00:22:15,995 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-26 00:22:15,996 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-26 00:22:15,996 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-26 00:22:15,997 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-26 00:22:15,999 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-26 00:22:15,999 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-26 00:22:16,000 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-26 00:22:16,001 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-26 00:22:16,002 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-26 00:22:16,003 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-26 00:22:16,031 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-26 00:22:16,071 WARN L623 FunctionHandler]: Unknown extern function memchr [2022-11-26 00:22:16,077 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 00:22:16,096 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 00:22:16,107 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:22:16,108 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:22:16,226 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-26 00:22:16,237 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-26 00:22:16,238 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-26 00:22:16,243 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 00:22:16,259 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:22:16,457 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:22:16,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:22:16 WrapperNode [2022-11-26 00:22:16,458 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:22:16,459 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:22:16,459 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:22:16,459 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:22:16,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:22:16" (1/1) ... [2022-11-26 00:22:16,609 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:22:16" (1/1) ... [2022-11-26 00:22:16,714 INFO L138 Inliner]: procedures = 693, calls = 2771, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 807 [2022-11-26 00:22:16,715 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:22:16,716 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:22:16,716 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:22:16,716 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:22:16,725 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:22:16" (1/1) ... [2022-11-26 00:22:16,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:22:16" (1/1) ... [2022-11-26 00:22:16,733 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:22:16" (1/1) ... [2022-11-26 00:22:16,734 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:22:16" (1/1) ... [2022-11-26 00:22:16,759 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:22:16" (1/1) ... [2022-11-26 00:22:16,763 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:22:16" (1/1) ... [2022-11-26 00:22:16,781 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:22:16" (1/1) ... [2022-11-26 00:22:16,785 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:22:16" (1/1) ... [2022-11-26 00:22:16,792 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:22:16,809 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:22:16,809 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:22:16,810 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:22:16,810 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:22:16" (1/1) ... [2022-11-26 00:22:16,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:22:16,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21b5e-165f-46f2-91c7-74baf3a88e53/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:22:16,852 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21b5e-165f-46f2-91c7-74baf3a88e53/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:22:16,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21b5e-165f-46f2-91c7-74baf3a88e53/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:22:16,899 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2022-11-26 00:22:16,899 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2022-11-26 00:22:16,899 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2022-11-26 00:22:16,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2022-11-26 00:22:16,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:22:16,900 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-26 00:22:16,900 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-26 00:22:16,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:22:16,900 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-26 00:22:16,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-26 00:22:16,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:22:16,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:22:16,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:22:16,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:22:16,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:22:16,901 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-26 00:22:16,902 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-26 00:22:16,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-26 00:22:16,902 INFO L130 BoogieDeclarations]: Found specification of procedure aws_secure_zero [2022-11-26 00:22:16,902 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_secure_zero [2022-11-26 00:22:16,902 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2022-11-26 00:22:16,902 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2022-11-26 00:22:16,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-26 00:22:16,903 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-26 00:22:16,903 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2022-11-26 00:22:16,903 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2022-11-26 00:22:16,903 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-26 00:22:16,903 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-26 00:22:16,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:22:16,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-26 00:22:16,904 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-26 00:22:16,904 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-26 00:22:16,904 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-11-26 00:22:16,904 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-11-26 00:22:16,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:22:16,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:22:17,238 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:22:17,244 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:22:18,623 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:22:18,794 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:22:18,795 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-26 00:22:18,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:22:18 BoogieIcfgContainer [2022-11-26 00:22:18,799 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:22:18,804 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:22:18,804 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:22:18,808 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:22:18,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:22:13" (1/3) ... [2022-11-26 00:22:18,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26d7293b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:22:18, skipping insertion in model container [2022-11-26 00:22:18,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:22:16" (2/3) ... [2022-11-26 00:22:18,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26d7293b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:22:18, skipping insertion in model container [2022-11-26 00:22:18,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:22:18" (3/3) ... [2022-11-26 00:22:18,822 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_destroy_secure_harness.i [2022-11-26 00:22:18,847 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:22:18,847 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-26 00:22:18,918 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:22:18,924 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;@739bdaf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:22:18,924 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-26 00:22:18,930 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 45 states have (on average 1.2) internal successors, (54), 46 states have internal predecessors, (54), 20 states have call successors, (20), 12 states have call predecessors, (20), 12 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2022-11-26 00:22:18,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-26 00:22:18,941 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:22:18,942 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2022-11-26 00:22:18,942 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:22:18,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:22:18,950 INFO L85 PathProgramCache]: Analyzing trace with hash -230741819, now seen corresponding path program 1 times [2022-11-26 00:22:18,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:22:18,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174541382] [2022-11-26 00:22:18,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:22:18,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:22:19,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:22:20,776 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-26 00:22:20,777 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:22:20,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174541382] [2022-11-26 00:22:20,777 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174541382] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:22:20,778 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:22:20,778 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:22:20,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753952574] [2022-11-26 00:22:20,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:22:20,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-26 00:22:20,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:22:20,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-26 00:22:20,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:22:20,821 INFO L87 Difference]: Start difference. First operand has 79 states, 45 states have (on average 1.2) internal successors, (54), 46 states have internal predecessors, (54), 20 states have call successors, (20), 12 states have call predecessors, (20), 12 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 9 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 4 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) [2022-11-26 00:22:21,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:22:21,257 INFO L93 Difference]: Finished difference Result 103 states and 120 transitions. [2022-11-26 00:22:21,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-26 00:22:21,260 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 4 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) Word has length 47 [2022-11-26 00:22:21,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:22:21,267 INFO L225 Difference]: With dead ends: 103 [2022-11-26 00:22:21,268 INFO L226 Difference]: Without dead ends: 73 [2022-11-26 00:22:21,270 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-11-26 00:22:21,273 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 22 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:22:21,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 500 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:22:21,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-11-26 00:22:21,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2022-11-26 00:22:21,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 41 states have (on average 1.0975609756097562) internal successors, (45), 41 states have internal predecessors, (45), 20 states have call successors, (20), 12 states have call predecessors, (20), 11 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2022-11-26 00:22:21,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 84 transitions. [2022-11-26 00:22:21,319 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 84 transitions. Word has length 47 [2022-11-26 00:22:21,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:22:21,321 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 84 transitions. [2022-11-26 00:22:21,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 4 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) [2022-11-26 00:22:21,322 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 84 transitions. [2022-11-26 00:22:21,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-26 00:22:21,325 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:22:21,325 INFO L195 NwaCegarLoop]: trace histogram [5, 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] [2022-11-26 00:22:21,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:22:21,326 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:22:21,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:22:21,326 INFO L85 PathProgramCache]: Analyzing trace with hash -84561895, now seen corresponding path program 1 times [2022-11-26 00:22:21,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:22:21,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46720324] [2022-11-26 00:22:21,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:22:21,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:22:21,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:22:21,939 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-26 00:22:21,940 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:22:21,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46720324] [2022-11-26 00:22:21,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46720324] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:22:21,941 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:22:21,941 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:22:21,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884413126] [2022-11-26 00:22:21,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:22:21,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:22:21,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:22:21,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:22:21,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:22:21,945 INFO L87 Difference]: Start difference. First operand 73 states and 84 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-26 00:22:22,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:22:22,086 INFO L93 Difference]: Finished difference Result 119 states and 135 transitions. [2022-11-26 00:22:22,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:22:22,087 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 68 [2022-11-26 00:22:22,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:22:22,089 INFO L225 Difference]: With dead ends: 119 [2022-11-26 00:22:22,089 INFO L226 Difference]: Without dead ends: 73 [2022-11-26 00:22:22,090 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:22:22,091 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 1 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:22:22,091 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 189 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 00:22:22,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-11-26 00:22:22,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2022-11-26 00:22:22,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 41 states have (on average 1.0731707317073171) internal successors, (44), 41 states have internal predecessors, (44), 20 states have call successors, (20), 12 states have call predecessors, (20), 11 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2022-11-26 00:22:22,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 83 transitions. [2022-11-26 00:22:22,105 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 83 transitions. Word has length 68 [2022-11-26 00:22:22,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:22:22,106 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 83 transitions. [2022-11-26 00:22:22,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-26 00:22:22,106 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 83 transitions. [2022-11-26 00:22:22,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-26 00:22:22,108 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:22:22,109 INFO L195 NwaCegarLoop]: trace histogram [5, 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] [2022-11-26 00:22:22,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 00:22:22,109 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:22:22,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:22:22,110 INFO L85 PathProgramCache]: Analyzing trace with hash 795240198, now seen corresponding path program 1 times [2022-11-26 00:22:22,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:22:22,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671421038] [2022-11-26 00:22:22,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:22:22,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:22:22,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:22:24,676 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-26 00:22:24,676 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:22:24,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671421038] [2022-11-26 00:22:24,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671421038] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:22:24,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1242852695] [2022-11-26 00:22:24,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:22:24,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:22:24,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21b5e-165f-46f2-91c7-74baf3a88e53/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:22:24,685 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21b5e-165f-46f2-91c7-74baf3a88e53/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:22:24,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21b5e-165f-46f2-91c7-74baf3a88e53/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:22:25,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:22:25,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 2645 conjuncts, 69 conjunts are in the unsatisfiable core [2022-11-26 00:22:25,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:22:26,022 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:22:26,023 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 35 [2022-11-26 00:22:26,360 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-26 00:22:26,360 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:22:26,361 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1242852695] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:22:26,361 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 00:22:26,361 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [10] total 24 [2022-11-26 00:22:26,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046020108] [2022-11-26 00:22:26,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:22:26,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-26 00:22:26,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:22:26,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-26 00:22:26,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=504, Unknown=0, NotChecked=0, Total=552 [2022-11-26 00:22:26,364 INFO L87 Difference]: Start difference. First operand 73 states and 83 transitions. Second operand has 16 states, 10 states have (on average 3.7) internal successors, (37), 14 states have internal predecessors, (37), 7 states have call successors, (16), 2 states have call predecessors, (16), 6 states have return successors, (15), 8 states have call predecessors, (15), 7 states have call successors, (15) [2022-11-26 00:22:27,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:22:27,429 INFO L93 Difference]: Finished difference Result 97 states and 109 transitions. [2022-11-26 00:22:27,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-26 00:22:27,430 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 10 states have (on average 3.7) internal successors, (37), 14 states have internal predecessors, (37), 7 states have call successors, (16), 2 states have call predecessors, (16), 6 states have return successors, (15), 8 states have call predecessors, (15), 7 states have call successors, (15) Word has length 72 [2022-11-26 00:22:27,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:22:27,431 INFO L225 Difference]: With dead ends: 97 [2022-11-26 00:22:27,432 INFO L226 Difference]: Without dead ends: 74 [2022-11-26 00:22:27,432 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=72, Invalid=798, Unknown=0, NotChecked=0, Total=870 [2022-11-26 00:22:27,433 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 11 mSDsluCounter, 775 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 838 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:22:27,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 838 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-26 00:22:27,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-11-26 00:22:27,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2022-11-26 00:22:27,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 42 states have (on average 1.0714285714285714) internal successors, (45), 42 states have internal predecessors, (45), 20 states have call successors, (20), 12 states have call predecessors, (20), 11 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2022-11-26 00:22:27,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 84 transitions. [2022-11-26 00:22:27,447 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 84 transitions. Word has length 72 [2022-11-26 00:22:27,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:22:27,447 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 84 transitions. [2022-11-26 00:22:27,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 10 states have (on average 3.7) internal successors, (37), 14 states have internal predecessors, (37), 7 states have call successors, (16), 2 states have call predecessors, (16), 6 states have return successors, (15), 8 states have call predecessors, (15), 7 states have call successors, (15) [2022-11-26 00:22:27,448 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 84 transitions. [2022-11-26 00:22:27,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-26 00:22:27,449 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:22:27,449 INFO L195 NwaCegarLoop]: trace histogram [5, 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] [2022-11-26 00:22:27,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21b5e-165f-46f2-91c7-74baf3a88e53/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-26 00:22:27,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21b5e-165f-46f2-91c7-74baf3a88e53/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:22:27,660 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:22:27,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:22:27,660 INFO L85 PathProgramCache]: Analyzing trace with hash -765914800, now seen corresponding path program 1 times [2022-11-26 00:22:27,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:22:27,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791941549] [2022-11-26 00:22:27,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:22:27,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:22:27,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:22:29,654 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-26 00:22:29,654 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:22:29,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791941549] [2022-11-26 00:22:29,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791941549] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:22:29,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [584211175] [2022-11-26 00:22:29,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:22:29,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:22:29,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21b5e-165f-46f2-91c7-74baf3a88e53/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:22:29,658 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21b5e-165f-46f2-91c7-74baf3a88e53/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:22:29,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f21b5e-165f-46f2-91c7-74baf3a88e53/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 00:22:30,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:22:30,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 2664 conjuncts, 194 conjunts are in the unsatisfiable core [2022-11-26 00:22:30,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:22:30,912 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 65 treesize of output 60 [2022-11-26 00:22:30,950 INFO L321 Elim1Store]: treesize reduction 15, result has 53.1 percent of original size [2022-11-26 00:22:30,951 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 124 [2022-11-26 00:22:31,039 INFO L321 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2022-11-26 00:22:31,040 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 174 treesize of output 91 [2022-11-26 00:22:35,785 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:22:35,789 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-26 00:22:35,790 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 55 treesize of output 26 [2022-11-26 00:22:36,006 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 14 treesize of output 10 [2022-11-26 00:22:37,449 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:22:37,450 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-11-26 00:22:37,691 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-26 00:22:37,691 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:22:38,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [584211175] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:22:38,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1868236157] [2022-11-26 00:22:38,875 INFO L159 IcfgInterpreter]: Started Sifa with 61 locations of interest [2022-11-26 00:22:38,875 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:22:38,879 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:22:38,884 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:22:38,885 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:22:42,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:42,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:42,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:42,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:42,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:42,664 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1746 treesize of output 1374 [2022-11-26 00:22:43,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:43,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:43,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:43,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:43,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:43,786 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1746 treesize of output 1374 [2022-11-26 00:22:45,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:45,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:45,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:45,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:45,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:45,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:45,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:45,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:45,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:45,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:45,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:45,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:45,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:45,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:45,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:45,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:45,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:45,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:45,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:45,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:45,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:45,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:45,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:45,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:45,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:45,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:45,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:45,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:45,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:45,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:45,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:45,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:45,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:45,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:45,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:45,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:45,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:45,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:45,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:45,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:45,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:45,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:45,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:45,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:45,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:45,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:45,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:45,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:45,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:45,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:45,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:45,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:45,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:45,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:45,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:45,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:45,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:45,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:45,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:45,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:45,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:45,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:46,571 INFO L217 Elim1Store]: Index analysis took 788 ms [2022-11-26 00:22:46,692 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 309 select indices, 309 select index equivalence classes, 33694 disjoint index pairs (out of 47586 index pairs), introduced 309 new quantified variables, introduced 0 case distinctions, treesize of input 2781 treesize of output 3693 [2022-11-26 00:22:49,414 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 [2022-11-26 00:22:54,197 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 8 treesize of output 7 [2022-11-26 00:22:54,203 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 [2022-11-26 00:22:54,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:54,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:54,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:54,314 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 17 [2022-11-26 00:22:54,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:54,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:54,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:54,346 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 17 [2022-11-26 00:22:54,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:54,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:54,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:54,387 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 17 [2022-11-26 00:22:54,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:54,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:54,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:54,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:54,420 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2022-11-26 00:22:57,090 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:23:03,538 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:23:07,732 INFO L197 IcfgInterpreter]: Interpreting procedure ensure_string_is_allocated_bounded_length with input of size 3307 for LOIs [2022-11-26 00:24:41,430 INFO L197 IcfgInterpreter]: Interpreting procedure nondet_uint64_t with input of size 3292 for LOIs [2022-11-26 00:24:45,373 INFO L197 IcfgInterpreter]: Interpreting procedure bounded_malloc with input of size 3316 for LOIs [2022-11-26 00:25:28,250 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 3384 for LOIs [2022-11-26 00:26:01,233 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:27:16,061 WARN L233 SmtUtils]: Spent 1.19m on a formula simplification that was a NOOP. DAG size: 3292 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:28:31,561 WARN L233 SmtUtils]: Spent 1.20m on a formula simplification that was a NOOP. DAG size: 3307 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:29:46,823 WARN L233 SmtUtils]: Spent 1.19m on a formula simplification that was a NOOP. DAG size: 3309 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)