./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_copy_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_70e189f6-5ec1-438e-a643-19ea9f6d7f8c/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e189f6-5ec1-438e-a643-19ea9f6d7f8c/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_70e189f6-5ec1-438e-a643-19ea9f6d7f8c/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e189f6-5ec1-438e-a643-19ea9f6d7f8c/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e189f6-5ec1-438e-a643-19ea9f6d7f8c/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_70e189f6-5ec1-438e-a643-19ea9f6d7f8c/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 3a98a47bac7562a35bba31573ebdfd704a9d27baca1b439deea796ac12a0961b --- 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 00:31:08,975 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:31:08,977 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:31:09,004 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:31:09,006 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:31:09,010 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:31:09,015 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:31:09,018 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:31:09,020 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:31:09,021 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:31:09,022 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:31:09,023 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:31:09,024 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:31:09,025 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:31:09,026 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:31:09,031 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:31:09,032 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:31:09,034 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:31:09,041 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:31:09,043 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:31:09,048 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:31:09,052 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:31:09,053 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:31:09,055 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:31:09,059 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:31:09,063 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:31:09,064 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:31:09,065 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:31:09,066 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:31:09,067 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:31:09,069 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:31:09,070 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:31:09,072 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:31:09,073 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:31:09,075 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:31:09,077 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:31:09,078 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:31:09,078 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:31:09,078 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:31:09,080 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:31:09,081 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:31:09,082 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e189f6-5ec1-438e-a643-19ea9f6d7f8c/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-26 00:31:09,120 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:31:09,121 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:31:09,121 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:31:09,122 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:31:09,122 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:31:09,123 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:31:09,123 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:31:09,123 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:31:09,124 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:31:09,124 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:31:09,125 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:31:09,125 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:31:09,126 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:31:09,126 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:31:09,126 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:31:09,127 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:31:09,127 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:31:09,127 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:31:09,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:31:09,128 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:31:09,129 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:31:09,129 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:31:09,129 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:31:09,129 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:31:09,130 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:31:09,130 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:31:09,131 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:31:09,131 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:31:09,131 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:31:09,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:31:09,132 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:31:09,132 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:31:09,133 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:31:09,133 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:31:09,133 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:31:09,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:31:09,134 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:31:09,134 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:31:09,134 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_70e189f6-5ec1-438e-a643-19ea9f6d7f8c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e189f6-5ec1-438e-a643-19ea9f6d7f8c/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a98a47bac7562a35bba31573ebdfd704a9d27baca1b439deea796ac12a0961b [2022-11-26 00:31:09,447 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:31:09,480 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:31:09,482 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:31:09,484 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:31:09,485 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:31:09,487 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e189f6-5ec1-438e-a643-19ea9f6d7f8c/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i [2022-11-26 00:31:12,544 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:31:13,164 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:31:13,165 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e189f6-5ec1-438e-a643-19ea9f6d7f8c/sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i [2022-11-26 00:31:13,208 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e189f6-5ec1-438e-a643-19ea9f6d7f8c/bin/utaipan-ByfvJB40ur/data/3f97ee249/140aaaff3c09465880ef4185dd6fb095/FLAGa9dfe6cab [2022-11-26 00:31:13,228 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e189f6-5ec1-438e-a643-19ea9f6d7f8c/bin/utaipan-ByfvJB40ur/data/3f97ee249/140aaaff3c09465880ef4185dd6fb095 [2022-11-26 00:31:13,232 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:31:13,236 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:31:13,239 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:31:13,239 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:31:13,242 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:31:13,244 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:31:13" (1/1) ... [2022-11-26 00:31:13,245 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@427db89c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:31:13, skipping insertion in model container [2022-11-26 00:31:13,245 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:31:13" (1/1) ... [2022-11-26 00:31:13,253 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:31:13,358 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:31:13,653 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_70e189f6-5ec1-438e-a643-19ea9f6d7f8c/sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i[4493,4506] [2022-11-26 00:31:13,664 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_70e189f6-5ec1-438e-a643-19ea9f6d7f8c/sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i[4553,4566] [2022-11-26 00:31:14,541 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-26 00:31:14,634 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:31:14,639 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:31:14,640 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:31:14,641 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:31:14,642 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:31:14,643 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:31:14,646 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:31:14,657 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:31:14,658 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:31:14,658 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:31:14,660 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:31:14,661 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:31:14,663 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:31:14,664 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:31:14,664 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:31:14,665 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:31:14,666 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:31:14,763 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:31:14,763 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:31:14,764 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:31:14,769 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-11-26 00:31:14,772 WARN L623 FunctionHandler]: Unknown extern function htons [2022-11-26 00:31:14,772 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-11-26 00:31:15,110 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-26 00:31:15,111 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-26 00:31:15,113 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-26 00:31:15,114 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-26 00:31:15,115 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-26 00:31:15,117 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-26 00:31:15,131 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-26 00:31:15,132 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-26 00:31:15,135 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-26 00:31:15,137 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-26 00:31:15,138 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-26 00:31:15,332 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:31:15,332 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:31:15,338 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:31:15,341 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:31:15,344 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:31:15,345 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:31:15,347 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:31:15,349 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:31:15,354 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:31:15,355 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:31:15,355 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:31:15,356 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:31:15,356 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:31:15,357 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:31:15,404 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-26 00:31:15,412 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:31:15,438 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:31:15,454 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_70e189f6-5ec1-438e-a643-19ea9f6d7f8c/sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i[4493,4506] [2022-11-26 00:31:15,463 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_70e189f6-5ec1-438e-a643-19ea9f6d7f8c/sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i[4553,4566] [2022-11-26 00:31:15,543 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-26 00:31:15,618 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:31:15,623 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:31:15,623 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:31:15,623 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:31:15,624 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:31:15,625 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:31:15,626 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:31:15,631 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:31:15,632 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:31:15,632 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:31:15,633 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:31:15,634 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:31:15,635 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:31:15,636 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:31:15,636 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:31:15,637 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:31:15,637 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:31:15,645 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:31:15,646 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:31:15,647 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:31:15,650 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-11-26 00:31:15,652 WARN L623 FunctionHandler]: Unknown extern function htons [2022-11-26 00:31:15,652 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-11-26 00:31:15,677 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-26 00:31:15,678 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-26 00:31:15,679 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-26 00:31:15,680 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-26 00:31:15,681 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-26 00:31:15,682 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-26 00:31:15,683 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-26 00:31:15,683 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-26 00:31:15,684 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-26 00:31:15,684 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-26 00:31:15,685 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-26 00:31:15,715 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:31:15,716 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:31:15,717 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:31:15,719 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:31:15,720 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:31:15,721 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:31:15,723 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:31:15,725 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:31:15,726 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:31:15,727 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:31:15,727 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:31:15,728 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:31:15,728 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:31:15,728 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:31:15,747 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-26 00:31:15,750 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:31:15,944 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:31:15,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:31:15 WrapperNode [2022-11-26 00:31:15,944 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:31:15,945 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:31:15,945 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:31:15,946 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:31:15,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:31:15" (1/1) ... [2022-11-26 00:31:16,090 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:31:15" (1/1) ... [2022-11-26 00:31:16,174 INFO L138 Inliner]: procedures = 691, calls = 1672, calls flagged for inlining = 52, calls inlined = 7, statements flattened = 694 [2022-11-26 00:31:16,175 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:31:16,176 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:31:16,176 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:31:16,177 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:31:16,186 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:31:15" (1/1) ... [2022-11-26 00:31:16,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:31:15" (1/1) ... [2022-11-26 00:31:16,205 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:31:15" (1/1) ... [2022-11-26 00:31:16,207 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:31:15" (1/1) ... [2022-11-26 00:31:16,250 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:31:15" (1/1) ... [2022-11-26 00:31:16,258 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:31:15" (1/1) ... [2022-11-26 00:31:16,269 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:31:15" (1/1) ... [2022-11-26 00:31:16,286 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:31:15" (1/1) ... [2022-11-26 00:31:16,294 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:31:16,301 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:31:16,301 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:31:16,301 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:31:16,302 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:31:15" (1/1) ... [2022-11-26 00:31:16,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:31:16,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e189f6-5ec1-438e-a643-19ea9f6d7f8c/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:31:16,333 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e189f6-5ec1-438e-a643-19ea9f6d7f8c/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:31:16,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e189f6-5ec1-438e-a643-19ea9f6d7f8c/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:31:16,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:31:16,372 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-11-26 00:31:16,372 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-11-26 00:31:16,373 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-26 00:31:16,373 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-26 00:31:16,373 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-26 00:31:16,373 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-26 00:31:16,374 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2022-11-26 00:31:16,374 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2022-11-26 00:31:16,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:31:16,377 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-26 00:31:16,378 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-26 00:31:16,378 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-26 00:31:16,378 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-26 00:31:16,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:31:16,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:31:16,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:31:16,379 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-11-26 00:31:16,384 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-11-26 00:31:16,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:31:16,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:31:16,384 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-26 00:31:16,385 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-26 00:31:16,385 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-26 00:31:16,385 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-26 00:31:16,385 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-11-26 00:31:16,386 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-11-26 00:31:16,386 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2022-11-26 00:31:16,386 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2022-11-26 00:31:16,386 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-26 00:31:16,386 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-26 00:31:16,386 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-11-26 00:31:16,386 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-11-26 00:31:16,386 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2022-11-26 00:31:16,387 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2022-11-26 00:31:16,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:31:16,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:31:16,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-26 00:31:16,387 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-26 00:31:16,387 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-26 00:31:16,387 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-26 00:31:16,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-26 00:31:16,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:31:16,388 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-11-26 00:31:16,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-11-26 00:31:16,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:31:16,775 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:31:16,778 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:31:17,899 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:31:18,096 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:31:18,097 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-26 00:31:18,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:31:18 BoogieIcfgContainer [2022-11-26 00:31:18,099 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:31:18,103 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:31:18,103 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:31:18,106 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:31:18,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:31:13" (1/3) ... [2022-11-26 00:31:18,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f376cd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:31:18, skipping insertion in model container [2022-11-26 00:31:18,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:31:15" (2/3) ... [2022-11-26 00:31:18,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f376cd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:31:18, skipping insertion in model container [2022-11-26 00:31:18,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:31:18" (3/3) ... [2022-11-26 00:31:18,112 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_copy_harness.i [2022-11-26 00:31:18,131 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:31:18,132 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-26 00:31:18,202 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:31:18,213 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;@3ccdd229, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:31:18,213 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-26 00:31:18,218 INFO L276 IsEmpty]: Start isEmpty. Operand has 180 states, 90 states have (on average 1.1777777777777778) internal successors, (106), 91 states have internal predecessors, (106), 71 states have call successors, (71), 17 states have call predecessors, (71), 17 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2022-11-26 00:31:18,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-26 00:31:18,236 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:31:18,237 INFO L195 NwaCegarLoop]: trace histogram [12, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:31:18,238 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:31:18,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:31:18,245 INFO L85 PathProgramCache]: Analyzing trace with hash -1241954246, now seen corresponding path program 1 times [2022-11-26 00:31:18,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:31:18,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434283086] [2022-11-26 00:31:18,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:31:18,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:31:18,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:31:18,834 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:31:18,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434283086] [2022-11-26 00:31:18,835 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-26 00:31:18,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1524294439] [2022-11-26 00:31:18,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:31:18,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:31:18,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e189f6-5ec1-438e-a643-19ea9f6d7f8c/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:31:18,839 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e189f6-5ec1-438e-a643-19ea9f6d7f8c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:31:18,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e189f6-5ec1-438e-a643-19ea9f6d7f8c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:31:19,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:31:19,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 2319 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-26 00:31:19,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:31:19,627 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-11-26 00:31:19,627 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:31:19,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1524294439] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:31:19,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:31:19,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:31:19,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988462920] [2022-11-26 00:31:19,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:31:19,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:31:19,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:31:19,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:31:19,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:31:19,697 INFO L87 Difference]: Start difference. First operand has 180 states, 90 states have (on average 1.1777777777777778) internal successors, (106), 91 states have internal predecessors, (106), 71 states have call successors, (71), 17 states have call predecessors, (71), 17 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-26 00:31:20,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:31:20,213 INFO L93 Difference]: Finished difference Result 356 states and 514 transitions. [2022-11-26 00:31:20,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:31:20,219 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 112 [2022-11-26 00:31:20,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:31:20,230 INFO L225 Difference]: With dead ends: 356 [2022-11-26 00:31:20,230 INFO L226 Difference]: Without dead ends: 180 [2022-11-26 00:31:20,235 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:31:20,237 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 49 mSDsluCounter, 505 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 711 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:31:20,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 711 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:31:20,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2022-11-26 00:31:20,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 180. [2022-11-26 00:31:20,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 90 states have (on average 1.1666666666666667) internal successors, (105), 92 states have internal predecessors, (105), 71 states have call successors, (71), 17 states have call predecessors, (71), 18 states have return successors, (82), 70 states have call predecessors, (82), 70 states have call successors, (82) [2022-11-26 00:31:20,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 258 transitions. [2022-11-26 00:31:20,329 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 258 transitions. Word has length 112 [2022-11-26 00:31:20,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:31:20,330 INFO L495 AbstractCegarLoop]: Abstraction has 180 states and 258 transitions. [2022-11-26 00:31:20,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-26 00:31:20,331 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 258 transitions. [2022-11-26 00:31:20,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-11-26 00:31:20,338 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:31:20,338 INFO L195 NwaCegarLoop]: trace histogram [12, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:31:20,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e189f6-5ec1-438e-a643-19ea9f6d7f8c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-26 00:31:20,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e189f6-5ec1-438e-a643-19ea9f6d7f8c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-26 00:31:20,539 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:31:20,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:31:20,540 INFO L85 PathProgramCache]: Analyzing trace with hash -1177974957, now seen corresponding path program 1 times [2022-11-26 00:31:20,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:31:20,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566291679] [2022-11-26 00:31:20,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:31:20,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:31:20,680 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:31:20,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1554351903] [2022-11-26 00:31:20,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:31:20,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:31:20,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e189f6-5ec1-438e-a643-19ea9f6d7f8c/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:31:20,686 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e189f6-5ec1-438e-a643-19ea9f6d7f8c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:31:20,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e189f6-5ec1-438e-a643-19ea9f6d7f8c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 00:31:21,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:31:21,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 2451 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-26 00:31:21,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:31:21,457 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-11-26 00:31:21,458 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:31:21,459 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:31:21,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566291679] [2022-11-26 00:31:21,459 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:31:21,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1554351903] [2022-11-26 00:31:21,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1554351903] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:31:21,460 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:31:21,460 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:31:21,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590774055] [2022-11-26 00:31:21,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:31:21,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:31:21,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:31:21,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:31:21,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:31:21,464 INFO L87 Difference]: Start difference. First operand 180 states and 258 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-26 00:31:22,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:31:22,194 INFO L93 Difference]: Finished difference Result 330 states and 471 transitions. [2022-11-26 00:31:22,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:31:22,195 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 121 [2022-11-26 00:31:22,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:31:22,198 INFO L225 Difference]: With dead ends: 330 [2022-11-26 00:31:22,198 INFO L226 Difference]: Without dead ends: 180 [2022-11-26 00:31:22,199 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:31:22,200 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 47 mSDsluCounter, 505 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 711 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:31:22,201 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 711 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-26 00:31:22,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2022-11-26 00:31:22,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 180. [2022-11-26 00:31:22,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 90 states have (on average 1.1666666666666667) internal successors, (105), 92 states have internal predecessors, (105), 71 states have call successors, (71), 17 states have call predecessors, (71), 18 states have return successors, (80), 70 states have call predecessors, (80), 70 states have call successors, (80) [2022-11-26 00:31:22,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 256 transitions. [2022-11-26 00:31:22,221 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 256 transitions. Word has length 121 [2022-11-26 00:31:22,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:31:22,222 INFO L495 AbstractCegarLoop]: Abstraction has 180 states and 256 transitions. [2022-11-26 00:31:22,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-26 00:31:22,223 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 256 transitions. [2022-11-26 00:31:22,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-26 00:31:22,224 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:31:22,225 INFO L195 NwaCegarLoop]: trace histogram [12, 5, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:31:22,239 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e189f6-5ec1-438e-a643-19ea9f6d7f8c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-26 00:31:22,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e189f6-5ec1-438e-a643-19ea9f6d7f8c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:31:22,434 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:31:22,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:31:22,435 INFO L85 PathProgramCache]: Analyzing trace with hash 383857700, now seen corresponding path program 2 times [2022-11-26 00:31:22,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:31:22,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493185837] [2022-11-26 00:31:22,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:31:22,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:31:22,553 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:31:22,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [701645982] [2022-11-26 00:31:22,556 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-26 00:31:22,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:31:22,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e189f6-5ec1-438e-a643-19ea9f6d7f8c/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:31:22,558 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e189f6-5ec1-438e-a643-19ea9f6d7f8c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:31:22,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e189f6-5ec1-438e-a643-19ea9f6d7f8c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-26 00:31:23,024 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-11-26 00:31:23,024 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-26 00:31:23,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 1918 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-26 00:31:23,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:31:23,074 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2022-11-26 00:31:23,074 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:31:23,075 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:31:23,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493185837] [2022-11-26 00:31:23,075 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:31:23,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [701645982] [2022-11-26 00:31:23,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [701645982] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:31:23,075 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:31:23,076 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:31:23,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513790091] [2022-11-26 00:31:23,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:31:23,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:31:23,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:31:23,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:31:23,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:31:23,079 INFO L87 Difference]: Start difference. First operand 180 states and 256 transitions. Second operand has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-26 00:31:24,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:31:24,107 INFO L93 Difference]: Finished difference Result 228 states and 318 transitions. [2022-11-26 00:31:24,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:31:24,108 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) Word has length 130 [2022-11-26 00:31:24,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:31:24,110 INFO L225 Difference]: With dead ends: 228 [2022-11-26 00:31:24,111 INFO L226 Difference]: Without dead ends: 184 [2022-11-26 00:31:24,111 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:31:24,112 INFO L413 NwaCegarLoop]: 225 mSDtfsCounter, 1 mSDsluCounter, 668 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 893 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:31:24,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 893 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-26 00:31:24,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2022-11-26 00:31:24,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2022-11-26 00:31:24,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 93 states have (on average 1.1612903225806452) internal successors, (108), 95 states have internal predecessors, (108), 71 states have call successors, (71), 17 states have call predecessors, (71), 19 states have return successors, (82), 71 states have call predecessors, (82), 70 states have call successors, (82) [2022-11-26 00:31:24,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 261 transitions. [2022-11-26 00:31:24,155 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 261 transitions. Word has length 130 [2022-11-26 00:31:24,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:31:24,156 INFO L495 AbstractCegarLoop]: Abstraction has 184 states and 261 transitions. [2022-11-26 00:31:24,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-26 00:31:24,157 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 261 transitions. [2022-11-26 00:31:24,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-26 00:31:24,158 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:31:24,158 INFO L195 NwaCegarLoop]: trace histogram [12, 5, 5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:31:24,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e189f6-5ec1-438e-a643-19ea9f6d7f8c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-26 00:31:24,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e189f6-5ec1-438e-a643-19ea9f6d7f8c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:31:24,368 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:31:24,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:31:24,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1075315408, now seen corresponding path program 1 times [2022-11-26 00:31:24,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:31:24,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730473195] [2022-11-26 00:31:24,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:31:24,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:31:24,459 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:31:24,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1418094628] [2022-11-26 00:31:24,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:31:24,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:31:24,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e189f6-5ec1-438e-a643-19ea9f6d7f8c/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:31:24,461 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e189f6-5ec1-438e-a643-19ea9f6d7f8c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:31:24,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e189f6-5ec1-438e-a643-19ea9f6d7f8c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-26 00:31:25,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:31:25,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 2586 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-26 00:31:25,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:31:25,133 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2022-11-26 00:31:25,133 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:31:25,134 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:31:25,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730473195] [2022-11-26 00:31:25,134 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:31:25,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1418094628] [2022-11-26 00:31:25,134 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1418094628] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:31:25,134 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:31:25,135 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-26 00:31:25,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442476162] [2022-11-26 00:31:25,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:31:25,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:31:25,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:31:25,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:31:25,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:31:25,137 INFO L87 Difference]: Start difference. First operand 184 states and 261 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2022-11-26 00:31:25,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:31:25,995 INFO L93 Difference]: Finished difference Result 327 states and 460 transitions. [2022-11-26 00:31:25,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:31:25,996 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) Word has length 134 [2022-11-26 00:31:25,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:31:25,998 INFO L225 Difference]: With dead ends: 327 [2022-11-26 00:31:25,998 INFO L226 Difference]: Without dead ends: 184 [2022-11-26 00:31:25,999 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:31:26,000 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 82 mSDsluCounter, 624 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 823 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:31:26,000 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 823 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-26 00:31:26,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2022-11-26 00:31:26,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2022-11-26 00:31:26,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 93 states have (on average 1.1612903225806452) internal successors, (108), 95 states have internal predecessors, (108), 71 states have call successors, (71), 17 states have call predecessors, (71), 19 states have return successors, (77), 71 states have call predecessors, (77), 70 states have call successors, (77) [2022-11-26 00:31:26,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 256 transitions. [2022-11-26 00:31:26,017 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 256 transitions. Word has length 134 [2022-11-26 00:31:26,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:31:26,017 INFO L495 AbstractCegarLoop]: Abstraction has 184 states and 256 transitions. [2022-11-26 00:31:26,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2022-11-26 00:31:26,018 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 256 transitions. [2022-11-26 00:31:26,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-11-26 00:31:26,019 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:31:26,020 INFO L195 NwaCegarLoop]: trace histogram [12, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:31:26,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e189f6-5ec1-438e-a643-19ea9f6d7f8c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-26 00:31:26,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e189f6-5ec1-438e-a643-19ea9f6d7f8c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:31:26,237 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:31:26,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:31:26,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1509806044, now seen corresponding path program 1 times [2022-11-26 00:31:26,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:31:26,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861688261] [2022-11-26 00:31:26,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:31:26,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:31:26,382 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:31:26,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [73119281] [2022-11-26 00:31:26,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:31:26,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:31:26,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e189f6-5ec1-438e-a643-19ea9f6d7f8c/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:31:26,396 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e189f6-5ec1-438e-a643-19ea9f6d7f8c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:31:26,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e189f6-5ec1-438e-a643-19ea9f6d7f8c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-26 00:31:27,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:31:27,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 2731 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-26 00:31:27,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:31:27,188 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2022-11-26 00:31:27,188 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:31:27,188 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:31:27,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861688261] [2022-11-26 00:31:27,188 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:31:27,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [73119281] [2022-11-26 00:31:27,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [73119281] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:31:27,188 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:31:27,188 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-26 00:31:27,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213405730] [2022-11-26 00:31:27,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:31:27,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:31:27,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:31:27,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:31:27,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:31:27,190 INFO L87 Difference]: Start difference. First operand 184 states and 256 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 4 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2022-11-26 00:31:28,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:31:28,068 INFO L93 Difference]: Finished difference Result 324 states and 445 transitions. [2022-11-26 00:31:28,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:31:28,069 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 4 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 142 [2022-11-26 00:31:28,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:31:28,071 INFO L225 Difference]: With dead ends: 324 [2022-11-26 00:31:28,071 INFO L226 Difference]: Without dead ends: 182 [2022-11-26 00:31:28,071 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:31:28,072 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 81 mSDsluCounter, 623 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 821 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:31:28,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 821 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-26 00:31:28,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2022-11-26 00:31:28,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2022-11-26 00:31:28,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 92 states have (on average 1.1521739130434783) internal successors, (106), 93 states have internal predecessors, (106), 71 states have call successors, (71), 17 states have call predecessors, (71), 18 states have return successors, (72), 71 states have call predecessors, (72), 70 states have call successors, (72) [2022-11-26 00:31:28,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 249 transitions. [2022-11-26 00:31:28,086 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 249 transitions. Word has length 142 [2022-11-26 00:31:28,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:31:28,087 INFO L495 AbstractCegarLoop]: Abstraction has 182 states and 249 transitions. [2022-11-26 00:31:28,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 4 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2022-11-26 00:31:28,087 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 249 transitions. [2022-11-26 00:31:28,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-11-26 00:31:28,089 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:31:28,089 INFO L195 NwaCegarLoop]: trace histogram [12, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:31:28,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e189f6-5ec1-438e-a643-19ea9f6d7f8c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-26 00:31:28,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e189f6-5ec1-438e-a643-19ea9f6d7f8c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:31:28,300 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:31:28,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:31:28,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1199198901, now seen corresponding path program 1 times [2022-11-26 00:31:28,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:31:28,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95471459] [2022-11-26 00:31:28,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:31:28,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:31:28,391 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:31:28,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [588579757] [2022-11-26 00:31:28,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:31:28,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:31:28,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e189f6-5ec1-438e-a643-19ea9f6d7f8c/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:31:28,392 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e189f6-5ec1-438e-a643-19ea9f6d7f8c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:31:28,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e189f6-5ec1-438e-a643-19ea9f6d7f8c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-26 00:31:29,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:31:29,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 2863 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-26 00:31:29,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:31:29,128 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2022-11-26 00:31:29,128 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:31:29,128 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:31:29,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95471459] [2022-11-26 00:31:29,129 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:31:29,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [588579757] [2022-11-26 00:31:29,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [588579757] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:31:29,129 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:31:29,129 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-26 00:31:29,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654927289] [2022-11-26 00:31:29,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:31:29,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:31:29,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:31:29,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:31:29,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:31:29,131 INFO L87 Difference]: Start difference. First operand 182 states and 249 transitions. Second operand has 6 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 1 states have call successors, (24) [2022-11-26 00:31:30,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:31:30,036 INFO L93 Difference]: Finished difference Result 227 states and 304 transitions. [2022-11-26 00:31:30,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:31:30,037 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 1 states have call successors, (24) Word has length 151 [2022-11-26 00:31:30,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:31:30,039 INFO L225 Difference]: With dead ends: 227 [2022-11-26 00:31:30,039 INFO L226 Difference]: Without dead ends: 191 [2022-11-26 00:31:30,040 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-26 00:31:30,040 INFO L413 NwaCegarLoop]: 227 mSDtfsCounter, 4 mSDsluCounter, 894 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1121 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:31:30,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1121 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-26 00:31:30,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2022-11-26 00:31:30,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 184. [2022-11-26 00:31:30,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 94 states have (on average 1.148936170212766) internal successors, (108), 95 states have internal predecessors, (108), 71 states have call successors, (71), 17 states have call predecessors, (71), 18 states have return successors, (72), 71 states have call predecessors, (72), 70 states have call successors, (72) [2022-11-26 00:31:30,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 251 transitions. [2022-11-26 00:31:30,054 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 251 transitions. Word has length 151 [2022-11-26 00:31:30,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:31:30,055 INFO L495 AbstractCegarLoop]: Abstraction has 184 states and 251 transitions. [2022-11-26 00:31:30,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 1 states have call successors, (24) [2022-11-26 00:31:30,055 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 251 transitions. [2022-11-26 00:31:30,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-11-26 00:31:30,057 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:31:30,058 INFO L195 NwaCegarLoop]: trace histogram [12, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:31:30,072 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e189f6-5ec1-438e-a643-19ea9f6d7f8c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-26 00:31:30,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e189f6-5ec1-438e-a643-19ea9f6d7f8c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:31:30,273 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:31:30,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:31:30,273 INFO L85 PathProgramCache]: Analyzing trace with hash 665308537, now seen corresponding path program 1 times [2022-11-26 00:31:30,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:31:30,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780469024] [2022-11-26 00:31:30,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:31:30,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:31:30,380 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:31:30,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1271962424] [2022-11-26 00:31:30,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:31:30,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:31:30,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e189f6-5ec1-438e-a643-19ea9f6d7f8c/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:31:30,383 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e189f6-5ec1-438e-a643-19ea9f6d7f8c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:31:30,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e189f6-5ec1-438e-a643-19ea9f6d7f8c/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-26 00:31:31,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:31:31,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 2982 conjuncts, 186 conjunts are in the unsatisfiable core [2022-11-26 00:31:31,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:31:31,219 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-26 00:31:31,220 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2022-11-26 00:31:31,745 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-26 00:31:31,753 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-26 00:31:32,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:31:32,254 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-11-26 00:31:32,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:31:32,266 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-11-26 00:31:32,281 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-26 00:31:32,281 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-26 00:31:33,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:31:33,315 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-11-26 00:31:33,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:31:33,335 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-11-26 00:31:33,550 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_893 Int)) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_aws_mul_size_checked_#in~r#1.base| (store (select |c_old(#memory_$Pointer$.base)| |c_aws_mul_size_checked_#in~r#1.base|) |c_aws_mul_size_checked_#in~r#1.offset| v_ArrVal_893)))) (exists ((v_ArrVal_891 Int)) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_aws_mul_size_checked_#in~r#1.base| (store (select |c_old(#memory_$Pointer$.offset)| |c_aws_mul_size_checked_#in~r#1.base|) |c_aws_mul_size_checked_#in~r#1.offset| v_ArrVal_891))))) is different from true [2022-11-26 00:31:33,568 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_893 Int) (|aws_array_list_is_valid_~#required_size~0.base| Int) (v_ArrVal_891 Int)) (and (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |aws_array_list_is_valid_~#required_size~0.base| (store (select |c_old(#memory_$Pointer$.offset)| |aws_array_list_is_valid_~#required_size~0.base|) 0 v_ArrVal_891))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |aws_array_list_is_valid_~#required_size~0.base| (store (select |c_old(#memory_$Pointer$.base)| |aws_array_list_is_valid_~#required_size~0.base|) 0 v_ArrVal_893))))) is different from true [2022-11-26 00:31:33,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:31:33,612 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-26 00:31:33,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:31:33,620 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-11-26 00:31:34,788 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 10 [2022-11-26 00:31:34,795 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 10 [2022-11-26 00:31:34,854 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 160 proven. 57 refuted. 0 times theorem prover too weak. 87 trivial. 5 not checked. [2022-11-26 00:31:34,855 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:31:35,917 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:31:35,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780469024] [2022-11-26 00:31:35,918 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:31:35,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1271962424] [2022-11-26 00:31:35,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1271962424] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:31:35,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [967140267] [2022-11-26 00:31:35,941 INFO L159 IcfgInterpreter]: Started Sifa with 69 locations of interest [2022-11-26 00:31:35,941 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:31:35,945 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:31:35,949 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:31:35,950 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:31:39,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:31:39,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:31:40,089 INFO L217 Elim1Store]: Index analysis took 730 ms [2022-11-26 00:33:05,011 WARN L233 SmtUtils]: Spent 1.41m on a formula simplification. DAG size of input: 3135 DAG size of output: 1567 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 00:33:05,019 INFO L321 Elim1Store]: treesize reduction 7432, result has 25.5 percent of original size [2022-11-26 00:33:05,024 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 199 select indices, 199 select index equivalence classes, 19310 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 588 case distinctions, treesize of input 1009 treesize of output 3157 [2022-11-26 00:33:09,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:09,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:33:10,058 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 196 select indices, 196 select index equivalence classes, 19505 disjoint index pairs (out of 19110 index pairs), introduced 196 new quantified variables, introduced 0 case distinctions, treesize of input 990 treesize of output 1579 [2022-11-26 00:34:52,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:52,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:52,020 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2022-11-26 00:34:52,026 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 00:34:52,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:52,035 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2022-11-26 00:34:52,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:52,043 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2022-11-26 00:34:56,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:56,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:56,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:56,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:56,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:56,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:56,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:57,010 INFO L217 Elim1Store]: Index analysis took 126 ms [2022-11-26 00:34:57,050 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-11-26 00:34:57,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:57,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:57,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:57,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:57,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:57,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:57,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:57,982 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-11-26 00:34:58,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:58,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:58,782 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 199 select indices, 199 select index equivalence classes, 19701 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 0 case distinctions, treesize of input 996 treesize of output 598 [2022-11-26 00:34:59,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:59,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:59,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:59,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:59,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:59,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:59,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:59,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:59,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:59,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:59,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:59,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:59,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:59,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:59,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:59,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:59,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:59,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:59,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:59,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:59,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:59,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:59,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:59,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:59,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:59,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:59,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:59,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:59,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:59,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:59,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:59,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:59,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:59,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:59,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:59,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:59,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:59,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:59,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:59,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:59,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:59,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:59,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:59,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:59,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:59,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:59,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:59,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:59,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:59,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:59,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:59,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:59,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:59,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:34:59,499 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 55 select indices, 55 select index equivalence classes, 1244 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 0 case distinctions, treesize of input 644 treesize of output 304 [2022-11-26 00:35:00,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:00,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:00,079 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19505 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 991 treesize of output 595 [2022-11-26 00:35:15,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:15,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:16,008 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19505 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 991 treesize of output 595 [2022-11-26 00:35:16,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:16,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:16,664 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 199 select indices, 199 select index equivalence classes, 19701 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 0 case distinctions, treesize of input 996 treesize of output 598 [2022-11-26 00:35:17,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:17,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:17,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:17,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:17,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:17,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:17,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:17,409 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-11-26 00:35:17,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:18,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:18,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:18,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:18,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:18,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:18,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:18,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:18,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:18,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:18,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:18,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:18,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:18,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:18,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:18,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:18,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:18,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:18,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:18,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:18,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:18,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:18,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:18,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:18,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:18,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:18,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:18,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:18,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:18,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:18,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:18,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:18,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:18,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:18,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:18,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:18,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:18,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:18,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:18,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:18,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:18,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:18,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:18,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:18,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:18,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:18,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:18,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:18,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:18,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:18,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:18,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:18,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:18,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:18,074 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 55 select indices, 55 select index equivalence classes, 1244 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 0 case distinctions, treesize of input 644 treesize of output 304 [2022-11-26 00:35:18,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:18,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:18,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:18,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:18,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:18,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:18,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:18,599 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-11-26 00:35:21,813 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 00:35:21,824 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:35:21,860 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 00:35:21,865 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:35:21,903 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 00:35:21,913 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 00:35:21,919 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-26 00:35:21,942 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 00:35:22,111 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:35:22,156 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:35:22,156 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2022-11-26 00:35:22,167 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:35:22,229 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:35:22,256 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:35:22,257 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2022-11-26 00:35:22,269 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:35:22,433 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:35:23,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:23,973 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 198 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 30 [2022-11-26 00:35:24,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:24,044 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 198 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 24 [2022-11-26 00:35:25,517 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 198 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-11-26 00:35:27,733 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 198 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-11-26 00:35:27,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:27,830 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 198 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 30 [2022-11-26 00:35:27,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:27,902 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 198 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 24 [2022-11-26 00:35:31,246 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 181 treesize of output 145 [2022-11-26 00:35:31,289 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 181 treesize of output 145 [2022-11-26 00:35:31,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:31,378 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 30 [2022-11-26 00:35:31,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:31,387 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 24 [2022-11-26 00:35:31,523 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-11-26 00:35:31,696 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-11-26 00:35:31,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:31,709 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 30 [2022-11-26 00:35:31,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:31,719 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 24 [2022-11-26 00:35:32,278 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:35:32,279 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:35:32,280 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:35:32,290 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:35:32,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 65 treesize of output 29 [2022-11-26 00:35:32,305 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:35:32,306 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 48 [2022-11-26 00:35:32,315 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:35:32,316 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 36 [2022-11-26 00:35:32,672 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:35:32,674 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:35:32,675 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:35:32,685 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:35:32,686 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 65 treesize of output 29 [2022-11-26 00:35:32,701 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:35:32,702 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 48 [2022-11-26 00:35:32,712 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:35:32,713 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 36 [2022-11-26 00:35:33,401 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 00:35:33,413 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:35:33,501 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:35:33,514 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-11-26 00:35:33,525 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:35:33,613 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:35:33,630 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-11-26 00:35:33,641 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:36:13,898 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 43 for LOIs [2022-11-26 00:36:13,906 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_valid with input of size 76 for LOIs [2022-11-26 00:36:13,956 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 00:36:13,967 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:36:14,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:36:14,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:36:14,121 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:36:14,121 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 10 [2022-11-26 00:36:14,143 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:36:14,160 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:36:14,292 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:36:14,321 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:36:14,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:36:14,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:36:14,365 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:36:14,365 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 10 [2022-11-26 00:36:14,594 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:36:14,747 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_bounded with input of size 3261 for LOIs [2022-11-26 00:36:31,923 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 47 for LOIs [2022-11-26 00:36:32,049 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 00:36:32,059 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 00:36:32,068 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 00:36:32,081 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-26 00:36:32,419 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 49 for LOIs [2022-11-26 00:36:32,432 INFO L197 IcfgInterpreter]: Interpreting procedure aws_raise_error with input of size 62 for LOIs [2022-11-26 00:36:32,447 INFO L197 IcfgInterpreter]: Interpreting procedure ensure_array_list_has_allocated_data_member with input of size 3325 for LOIs [2022-11-26 00:38:39,993 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 00:38:40,005 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-26 00:38:40,017 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-26 00:38:40,043 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 00:39:09,780 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_allocator with input of size 70 for LOIs [2022-11-26 00:39:09,791 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 70 for LOIs [2022-11-26 00:39:09,801 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:41:51,473 WARN L233 SmtUtils]: Spent 2.61m on a formula simplification. DAG size of input: 3210 DAG size of output: 2442 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)