./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 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989d522f-58c7-4f90-8487-46913b06feb5/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989d522f-58c7-4f90-8487-46913b06feb5/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989d522f-58c7-4f90-8487-46913b06feb5/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989d522f-58c7-4f90-8487-46913b06feb5/bin/utaipan-7li7fVZpFI/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_989d522f-58c7-4f90-8487-46913b06feb5/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989d522f-58c7-4f90-8487-46913b06feb5/bin/utaipan-7li7fVZpFI --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-5e519f3 [2022-11-03 03:33:45,144 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:33:45,146 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:33:45,191 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:33:45,191 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:33:45,196 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:33:45,199 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:33:45,203 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:33:45,209 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:33:45,214 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:33:45,215 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:33:45,216 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:33:45,217 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:33:45,220 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:33:45,224 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:33:45,226 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:33:45,228 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:33:45,236 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:33:45,237 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:33:45,240 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:33:45,244 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:33:45,246 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:33:45,247 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:33:45,249 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:33:45,253 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:33:45,258 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:33:45,259 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:33:45,261 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:33:45,262 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:33:45,263 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:33:45,264 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:33:45,265 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:33:45,267 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:33:45,268 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:33:45,269 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:33:45,270 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:33:45,270 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:33:45,271 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:33:45,271 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:33:45,272 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:33:45,273 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:33:45,273 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989d522f-58c7-4f90-8487-46913b06feb5/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 03:33:45,321 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:33:45,321 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:33:45,322 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:33:45,322 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:33:45,323 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:33:45,323 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:33:45,324 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:33:45,324 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:33:45,324 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:33:45,324 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:33:45,326 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:33:45,326 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:33:45,326 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:33:45,326 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:33:45,327 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:33:45,327 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:33:45,327 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:33:45,327 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:33:45,328 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:33:45,328 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:33:45,329 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:33:45,329 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:33:45,329 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:33:45,329 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:33:45,330 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:33:45,330 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:33:45,330 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:33:45,330 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:33:45,331 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:33:45,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:33:45,331 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:33:45,332 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:33:45,332 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:33:45,332 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:33:45,332 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:33:45,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:33:45,333 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:33:45,333 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:33:45,333 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_989d522f-58c7-4f90-8487-46913b06feb5/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989d522f-58c7-4f90-8487-46913b06feb5/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a98a47bac7562a35bba31573ebdfd704a9d27baca1b439deea796ac12a0961b [2022-11-03 03:33:45,650 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:33:45,687 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:33:45,689 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:33:45,691 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:33:45,692 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:33:45,693 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989d522f-58c7-4f90-8487-46913b06feb5/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i [2022-11-03 03:33:45,773 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989d522f-58c7-4f90-8487-46913b06feb5/bin/utaipan-7li7fVZpFI/data/5e38d9ba1/1cd29754416d4ac487fe79e32e34377f/FLAGbcd4710cf [2022-11-03 03:33:46,564 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:33:46,565 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989d522f-58c7-4f90-8487-46913b06feb5/sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i [2022-11-03 03:33:46,597 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989d522f-58c7-4f90-8487-46913b06feb5/bin/utaipan-7li7fVZpFI/data/5e38d9ba1/1cd29754416d4ac487fe79e32e34377f/FLAGbcd4710cf [2022-11-03 03:33:46,661 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989d522f-58c7-4f90-8487-46913b06feb5/bin/utaipan-7li7fVZpFI/data/5e38d9ba1/1cd29754416d4ac487fe79e32e34377f [2022-11-03 03:33:46,664 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:33:46,665 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:33:46,686 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:33:46,686 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:33:46,690 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:33:46,691 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:33:46" (1/1) ... [2022-11-03 03:33:46,692 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35e3e962 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:33:46, skipping insertion in model container [2022-11-03 03:33:46,692 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:33:46" (1/1) ... [2022-11-03 03:33:46,700 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:33:46,790 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:33:47,081 WARN L230 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_989d522f-58c7-4f90-8487-46913b06feb5/sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i[4493,4506] [2022-11-03 03:33:47,087 WARN L230 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_989d522f-58c7-4f90-8487-46913b06feb5/sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i[4553,4566] [2022-11-03 03:33:48,082 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-03 03:33:48,152 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:48,153 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:48,153 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:48,154 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:48,155 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:48,166 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:48,166 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:48,168 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:48,169 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:48,171 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:48,172 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:48,172 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:48,173 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:48,474 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-03 03:33:48,475 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-03 03:33:48,476 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-03 03:33:48,477 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-03 03:33:48,479 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-03 03:33:48,480 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-03 03:33:48,480 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-03 03:33:48,481 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-03 03:33:48,482 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-03 03:33:48,482 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-03 03:33:48,608 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:48,608 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:48,613 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:48,621 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:48,681 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:33:48,708 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:33:48,722 WARN L230 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_989d522f-58c7-4f90-8487-46913b06feb5/sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i[4493,4506] [2022-11-03 03:33:48,723 WARN L230 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_989d522f-58c7-4f90-8487-46913b06feb5/sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i[4553,4566] [2022-11-03 03:33:48,831 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-03 03:33:48,852 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:48,853 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:48,853 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:48,854 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:48,855 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:48,865 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:48,866 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:48,867 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:48,868 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:48,869 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:48,870 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:48,871 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:48,871 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:48,927 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-03 03:33:48,928 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-03 03:33:48,929 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-03 03:33:48,930 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-03 03:33:48,933 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-03 03:33:48,935 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-03 03:33:48,936 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-03 03:33:48,936 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-03 03:33:48,937 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-03 03:33:48,941 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-03 03:33:49,007 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:49,021 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:49,023 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:49,029 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:49,083 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:33:49,390 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:33:49,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:33:49 WrapperNode [2022-11-03 03:33:49,390 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:33:49,391 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:33:49,392 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:33:49,392 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:33:49,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:33:49" (1/1) ... [2022-11-03 03:33:49,483 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:33:49" (1/1) ... [2022-11-03 03:33:49,542 INFO L138 Inliner]: procedures = 691, calls = 1673, calls flagged for inlining = 52, calls inlined = 7, statements flattened = 695 [2022-11-03 03:33:49,543 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:33:49,544 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:33:49,544 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:33:49,544 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:33:49,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:33:49" (1/1) ... [2022-11-03 03:33:49,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:33:49" (1/1) ... [2022-11-03 03:33:49,562 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:33:49" (1/1) ... [2022-11-03 03:33:49,562 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:33:49" (1/1) ... [2022-11-03 03:33:49,609 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:33:49" (1/1) ... [2022-11-03 03:33:49,612 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:33:49" (1/1) ... [2022-11-03 03:33:49,618 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:33:49" (1/1) ... [2022-11-03 03:33:49,621 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:33:49" (1/1) ... [2022-11-03 03:33:49,630 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:33:49,631 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:33:49,631 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:33:49,631 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:33:49,632 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:33:49" (1/1) ... [2022-11-03 03:33:49,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:33:49,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989d522f-58c7-4f90-8487-46913b06feb5/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:33:49,662 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989d522f-58c7-4f90-8487-46913b06feb5/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:33:49,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989d522f-58c7-4f90-8487-46913b06feb5/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:33:49,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 03:33:49,744 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-11-03 03:33:49,744 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-11-03 03:33:49,744 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-03 03:33:49,745 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-03 03:33:49,745 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-03 03:33:49,745 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-03 03:33:49,745 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2022-11-03 03:33:49,745 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2022-11-03 03:33:49,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 03:33:49,746 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-03 03:33:49,747 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-03 03:33:49,747 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-03 03:33:49,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-03 03:33:49,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 03:33:49,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 03:33:49,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 03:33:49,749 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-11-03 03:33:49,749 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-11-03 03:33:49,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:33:49,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:33:49,750 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-03 03:33:49,750 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-03 03:33:49,750 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-03 03:33:49,750 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-03 03:33:49,751 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-11-03 03:33:49,751 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-11-03 03:33:49,751 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2022-11-03 03:33:49,751 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2022-11-03 03:33:49,752 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 03:33:49,753 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 03:33:49,753 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-11-03 03:33:49,753 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-11-03 03:33:49,754 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2022-11-03 03:33:49,755 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2022-11-03 03:33:49,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 03:33:49,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 03:33:49,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 03:33:49,756 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-03 03:33:49,756 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-03 03:33:49,756 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-03 03:33:49,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-03 03:33:49,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 03:33:49,756 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-11-03 03:33:49,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-11-03 03:33:49,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 03:33:50,210 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:33:50,213 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:33:51,335 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:33:51,546 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:33:51,547 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 03:33:51,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:33:51 BoogieIcfgContainer [2022-11-03 03:33:51,552 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:33:51,558 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:33:51,559 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:33:51,562 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:33:51,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:33:46" (1/3) ... [2022-11-03 03:33:51,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72eb1ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:33:51, skipping insertion in model container [2022-11-03 03:33:51,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:33:49" (2/3) ... [2022-11-03 03:33:51,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72eb1ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:33:51, skipping insertion in model container [2022-11-03 03:33:51,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:33:51" (3/3) ... [2022-11-03 03:33:51,567 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_copy_harness.i [2022-11-03 03:33:51,596 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:33:51,596 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 03:33:51,678 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 03:33:51,690 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;@2add125, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 03:33:51,690 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 03:33:51,694 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) [2022-11-03 03:33:51,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-03 03:33:51,714 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:33:51,715 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] [2022-11-03 03:33:51,715 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:33:51,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:33:51,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1241954246, now seen corresponding path program 1 times [2022-11-03 03:33:51,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:33:51,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259978965] [2022-11-03 03:33:51,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:33:51,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:33:52,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:33:52,295 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:33:52,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259978965] [2022-11-03 03:33:52,296 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-03 03:33:52,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1074275603] [2022-11-03 03:33:52,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:33:52,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:33:52,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989d522f-58c7-4f90-8487-46913b06feb5/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:33:52,299 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989d522f-58c7-4f90-8487-46913b06feb5/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:33:52,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989d522f-58c7-4f90-8487-46913b06feb5/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 03:33:52,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:33:52,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 2323 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-03 03:33:53,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:33:53,117 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-11-03 03:33:53,118 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:33:53,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1074275603] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:33:53,119 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:33:53,119 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 03:33:53,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372380986] [2022-11-03 03:33:53,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:33:53,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:33:53,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:33:53,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:33:53,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:33:53,177 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) [2022-11-03 03:33:54,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:33:54,367 INFO L93 Difference]: Finished difference Result 356 states and 514 transitions. [2022-11-03 03:33:54,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 03:33:54,370 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 [2022-11-03 03:33:54,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:33:54,382 INFO L225 Difference]: With dead ends: 356 [2022-11-03 03:33:54,382 INFO L226 Difference]: Without dead ends: 180 [2022-11-03 03:33:54,387 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 [2022-11-03 03:33:54,390 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 49 mSDsluCounter, 555 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:33:54,391 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 711 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-03 03:33:54,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2022-11-03 03:33:54,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 180. [2022-11-03 03:33:54,476 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) [2022-11-03 03:33:54,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 258 transitions. [2022-11-03 03:33:54,485 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 258 transitions. Word has length 112 [2022-11-03 03:33:54,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:33:54,486 INFO L495 AbstractCegarLoop]: Abstraction has 180 states and 258 transitions. [2022-11-03 03:33:54,486 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) [2022-11-03 03:33:54,487 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 258 transitions. [2022-11-03 03:33:54,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-11-03 03:33:54,490 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:33:54,491 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] [2022-11-03 03:33:54,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989d522f-58c7-4f90-8487-46913b06feb5/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 03:33:54,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989d522f-58c7-4f90-8487-46913b06feb5/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-03 03:33:54,704 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:33:54,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:33:54,705 INFO L85 PathProgramCache]: Analyzing trace with hash -1177974957, now seen corresponding path program 1 times [2022-11-03 03:33:54,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:33:54,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17326411] [2022-11-03 03:33:54,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:33:54,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:33:54,831 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 03:33:54,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [395986501] [2022-11-03 03:33:54,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:33:54,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:33:54,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989d522f-58c7-4f90-8487-46913b06feb5/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:33:54,833 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989d522f-58c7-4f90-8487-46913b06feb5/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:33:54,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989d522f-58c7-4f90-8487-46913b06feb5/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 03:33:55,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:33:55,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 2455 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-03 03:33:55,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:33:55,537 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-11-03 03:33:55,538 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:33:55,538 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:33:55,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17326411] [2022-11-03 03:33:55,538 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 03:33:55,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [395986501] [2022-11-03 03:33:55,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [395986501] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:33:55,539 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:33:55,539 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 03:33:55,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6868959] [2022-11-03 03:33:55,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:33:55,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:33:55,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:33:55,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:33:55,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:33:55,542 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) [2022-11-03 03:33:56,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:33:56,178 INFO L93 Difference]: Finished difference Result 330 states and 471 transitions. [2022-11-03 03:33:56,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 03:33:56,178 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 [2022-11-03 03:33:56,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:33:56,181 INFO L225 Difference]: With dead ends: 330 [2022-11-03 03:33:56,181 INFO L226 Difference]: Without dead ends: 180 [2022-11-03 03:33:56,182 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 [2022-11-03 03:33:56,183 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 47 mSDsluCounter, 555 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 711 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 03:33:56,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 711 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-03 03:33:56,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2022-11-03 03:33:56,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 180. [2022-11-03 03:33:56,213 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) [2022-11-03 03:33:56,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 256 transitions. [2022-11-03 03:33:56,229 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 256 transitions. Word has length 121 [2022-11-03 03:33:56,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:33:56,230 INFO L495 AbstractCegarLoop]: Abstraction has 180 states and 256 transitions. [2022-11-03 03:33:56,230 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) [2022-11-03 03:33:56,230 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 256 transitions. [2022-11-03 03:33:56,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-03 03:33:56,232 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:33:56,233 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] [2022-11-03 03:33:56,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989d522f-58c7-4f90-8487-46913b06feb5/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-03 03:33:56,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989d522f-58c7-4f90-8487-46913b06feb5/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:33:56,449 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:33:56,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:33:56,450 INFO L85 PathProgramCache]: Analyzing trace with hash 383857700, now seen corresponding path program 2 times [2022-11-03 03:33:56,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:33:56,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940055256] [2022-11-03 03:33:56,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:33:56,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:33:56,574 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 03:33:56,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1835391706] [2022-11-03 03:33:56,575 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-03 03:33:56,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:33:56,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989d522f-58c7-4f90-8487-46913b06feb5/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:33:56,576 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989d522f-58c7-4f90-8487-46913b06feb5/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:33:56,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989d522f-58c7-4f90-8487-46913b06feb5/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-03 03:33:57,083 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-11-03 03:33:57,084 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 03:33:57,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 1922 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-03 03:33:57,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:33:57,127 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2022-11-03 03:33:57,127 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:33:57,127 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:33:57,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940055256] [2022-11-03 03:33:57,128 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 03:33:57,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1835391706] [2022-11-03 03:33:57,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1835391706] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:33:57,128 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:33:57,128 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 03:33:57,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431916567] [2022-11-03 03:33:57,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:33:57,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:33:57,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:33:57,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:33:57,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:33:57,132 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) [2022-11-03 03:33:57,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:33:57,920 INFO L93 Difference]: Finished difference Result 228 states and 318 transitions. [2022-11-03 03:33:57,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 03:33:57,921 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 [2022-11-03 03:33:57,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:33:57,924 INFO L225 Difference]: With dead ends: 228 [2022-11-03 03:33:57,924 INFO L226 Difference]: Without dead ends: 184 [2022-11-03 03:33:57,925 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 [2022-11-03 03:33:57,926 INFO L413 NwaCegarLoop]: 225 mSDtfsCounter, 1 mSDsluCounter, 719 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 893 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-03 03:33:57,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 893 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-03 03:33:57,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2022-11-03 03:33:57,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2022-11-03 03:33:57,944 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) [2022-11-03 03:33:57,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 261 transitions. [2022-11-03 03:33:57,946 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 261 transitions. Word has length 130 [2022-11-03 03:33:57,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:33:57,947 INFO L495 AbstractCegarLoop]: Abstraction has 184 states and 261 transitions. [2022-11-03 03:33:57,948 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) [2022-11-03 03:33:57,948 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 261 transitions. [2022-11-03 03:33:57,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-03 03:33:57,950 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:33:57,951 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] [2022-11-03 03:33:57,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989d522f-58c7-4f90-8487-46913b06feb5/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-03 03:33:58,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989d522f-58c7-4f90-8487-46913b06feb5/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:33:58,168 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:33:58,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:33:58,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1075315408, now seen corresponding path program 1 times [2022-11-03 03:33:58,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:33:58,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372018863] [2022-11-03 03:33:58,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:33:58,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:33:58,250 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 03:33:58,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2023335309] [2022-11-03 03:33:58,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:33:58,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:33:58,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989d522f-58c7-4f90-8487-46913b06feb5/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:33:58,252 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989d522f-58c7-4f90-8487-46913b06feb5/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:33:58,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989d522f-58c7-4f90-8487-46913b06feb5/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-03 03:33:58,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:33:58,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 2590 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-03 03:33:58,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:33:58,991 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2022-11-03 03:33:58,991 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:33:58,994 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:33:58,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372018863] [2022-11-03 03:33:58,995 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 03:33:58,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2023335309] [2022-11-03 03:33:58,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2023335309] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:33:58,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:33:58,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:33:58,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233925913] [2022-11-03 03:33:58,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:33:58,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:33:58,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:33:58,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:33:58,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:33:58,998 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) [2022-11-03 03:34:01,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:01,335 INFO L93 Difference]: Finished difference Result 327 states and 460 transitions. [2022-11-03 03:34:01,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 03:34:01,336 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 [2022-11-03 03:34:01,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:01,339 INFO L225 Difference]: With dead ends: 327 [2022-11-03 03:34:01,339 INFO L226 Difference]: Without dead ends: 184 [2022-11-03 03:34:01,346 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 [2022-11-03 03:34:01,347 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 82 mSDsluCounter, 691 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s 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, 2.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:01,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 823 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-03 03:34:01,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2022-11-03 03:34:01,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2022-11-03 03:34:01,384 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) [2022-11-03 03:34:01,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 256 transitions. [2022-11-03 03:34:01,386 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 256 transitions. Word has length 134 [2022-11-03 03:34:01,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:01,393 INFO L495 AbstractCegarLoop]: Abstraction has 184 states and 256 transitions. [2022-11-03 03:34:01,393 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) [2022-11-03 03:34:01,394 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 256 transitions. [2022-11-03 03:34:01,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-11-03 03:34:01,396 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:01,396 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] [2022-11-03 03:34:01,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989d522f-58c7-4f90-8487-46913b06feb5/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-03 03:34:01,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989d522f-58c7-4f90-8487-46913b06feb5/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:34:01,605 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:01,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:01,605 INFO L85 PathProgramCache]: Analyzing trace with hash 1509806044, now seen corresponding path program 1 times [2022-11-03 03:34:01,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:34:01,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902591001] [2022-11-03 03:34:01,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:01,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:34:01,707 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 03:34:01,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1746617083] [2022-11-03 03:34:01,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:01,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:34:01,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989d522f-58c7-4f90-8487-46913b06feb5/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:34:01,710 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989d522f-58c7-4f90-8487-46913b06feb5/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:34:01,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989d522f-58c7-4f90-8487-46913b06feb5/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-03 03:34:02,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:02,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 2735 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-03 03:34:02,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:34:02,513 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2022-11-03 03:34:02,513 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:34:02,514 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:34:02,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902591001] [2022-11-03 03:34:02,514 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 03:34:02,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1746617083] [2022-11-03 03:34:02,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1746617083] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:02,514 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:02,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:34:02,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665303410] [2022-11-03 03:34:02,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:02,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:34:02,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:34:02,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:34:02,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:34:02,517 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) [2022-11-03 03:34:03,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:03,227 INFO L93 Difference]: Finished difference Result 324 states and 445 transitions. [2022-11-03 03:34:03,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 03:34:03,228 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 [2022-11-03 03:34:03,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:03,230 INFO L225 Difference]: With dead ends: 324 [2022-11-03 03:34:03,230 INFO L226 Difference]: Without dead ends: 182 [2022-11-03 03:34:03,231 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 [2022-11-03 03:34:03,232 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 81 mSDsluCounter, 690 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.7s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:03,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 821 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-03 03:34:03,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2022-11-03 03:34:03,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2022-11-03 03:34:03,249 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) [2022-11-03 03:34:03,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 249 transitions. [2022-11-03 03:34:03,251 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 249 transitions. Word has length 142 [2022-11-03 03:34:03,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:03,252 INFO L495 AbstractCegarLoop]: Abstraction has 182 states and 249 transitions. [2022-11-03 03:34:03,253 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) [2022-11-03 03:34:03,253 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 249 transitions. [2022-11-03 03:34:03,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-11-03 03:34:03,255 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:03,256 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] [2022-11-03 03:34:03,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989d522f-58c7-4f90-8487-46913b06feb5/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-03 03:34:03,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989d522f-58c7-4f90-8487-46913b06feb5/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:34:03,469 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:03,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:03,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1199198901, now seen corresponding path program 1 times [2022-11-03 03:34:03,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:34:03,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850788532] [2022-11-03 03:34:03,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:03,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:34:03,606 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 03:34:03,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1311399365] [2022-11-03 03:34:03,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:03,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:34:03,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989d522f-58c7-4f90-8487-46913b06feb5/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:34:03,608 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989d522f-58c7-4f90-8487-46913b06feb5/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:34:03,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989d522f-58c7-4f90-8487-46913b06feb5/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-03 03:34:04,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:04,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 2867 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-03 03:34:04,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:34:04,448 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2022-11-03 03:34:04,449 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:34:04,449 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:34:04,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850788532] [2022-11-03 03:34:04,449 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 03:34:04,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1311399365] [2022-11-03 03:34:04,450 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1311399365] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:34:04,450 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:34:04,450 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:34:04,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036126368] [2022-11-03 03:34:04,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:34:04,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:34:04,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:34:04,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:34:04,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:34:04,453 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) [2022-11-03 03:34:05,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:34:05,533 INFO L93 Difference]: Finished difference Result 227 states and 304 transitions. [2022-11-03 03:34:05,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 03:34:05,534 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 [2022-11-03 03:34:05,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:34:05,536 INFO L225 Difference]: With dead ends: 227 [2022-11-03 03:34:05,536 INFO L226 Difference]: Without dead ends: 191 [2022-11-03 03:34:05,537 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 [2022-11-03 03:34:05,538 INFO L413 NwaCegarLoop]: 227 mSDtfsCounter, 3 mSDsluCounter, 964 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 1121 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:34:05,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 1121 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-03 03:34:05,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2022-11-03 03:34:05,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 184. [2022-11-03 03:34:05,554 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) [2022-11-03 03:34:05,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 251 transitions. [2022-11-03 03:34:05,556 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 251 transitions. Word has length 151 [2022-11-03 03:34:05,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:34:05,557 INFO L495 AbstractCegarLoop]: Abstraction has 184 states and 251 transitions. [2022-11-03 03:34:05,557 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) [2022-11-03 03:34:05,557 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 251 transitions. [2022-11-03 03:34:05,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-11-03 03:34:05,560 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:05,560 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] [2022-11-03 03:34:05,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989d522f-58c7-4f90-8487-46913b06feb5/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-11-03 03:34:05,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989d522f-58c7-4f90-8487-46913b06feb5/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-03 03:34:05,773 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:34:05,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:05,773 INFO L85 PathProgramCache]: Analyzing trace with hash 665308537, now seen corresponding path program 1 times [2022-11-03 03:34:05,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:34:05,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358789194] [2022-11-03 03:34:05,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:05,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:34:05,871 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 03:34:05,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1826420099] [2022-11-03 03:34:05,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:05,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:34:05,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989d522f-58c7-4f90-8487-46913b06feb5/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:34:05,873 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989d522f-58c7-4f90-8487-46913b06feb5/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:34:05,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989d522f-58c7-4f90-8487-46913b06feb5/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-03 03:34:06,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:34:06,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 2986 conjuncts, 142 conjunts are in the unsatisfiable core [2022-11-03 03:34:06,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:34:06,777 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-03 03:34:06,778 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:34:07,304 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:34:07,312 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:34:07,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:07,853 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:34:07,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:07,865 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:34:07,880 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-03 03:34:07,881 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:34:08,546 WARN L855 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_886 (Array Int Int))) (= (store |c_old(#memory_$Pointer$.offset)| |c_ensure_array_list_has_allocated_data_member_#in~list.base| v_ArrVal_886) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_887 (Array Int Int))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_ensure_array_list_has_allocated_data_member_#in~list.base| v_ArrVal_887)))) is different from true [2022-11-03 03:34:08,565 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-11-03 03:34:08,583 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-11-03 03:34:10,720 WARN L855 $PredicateComparison]: unable to prove that (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| Int) (v_ArrVal_891 Int) (v_ArrVal_889 Int)) (and (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| (store (select |c_old(#memory_$Pointer$.offset)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base|) |c_aws_mul_size_checked_#in~r#1.offset| v_ArrVal_889))) (= (store |c_old(#memory_$Pointer$.base)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| (store (select |c_old(#memory_$Pointer$.base)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base|) |c_aws_mul_size_checked_#in~r#1.offset| v_ArrVal_891)) |c_#memory_$Pointer$.base|))) is different from true [2022-11-03 03:34:12,741 WARN L855 $PredicateComparison]: unable to prove that (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| Int) (v_ArrVal_891 Int) (v_ArrVal_889 Int)) (and (= (store |c_old(#memory_$Pointer$.offset)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| (store (select |c_old(#memory_$Pointer$.offset)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base|) 0 v_ArrVal_889)) |c_#memory_$Pointer$.offset|) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| (store (select |c_old(#memory_$Pointer$.base)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base|) 0 v_ArrVal_891))))) is different from true [2022-11-03 03:34:12,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:12,771 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:34:12,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:12,780 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:34:13,346 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-03 03:34:13,350 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-03 03:34:13,403 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 165 proven. 46 refuted. 0 times theorem prover too weak. 91 trivial. 7 not checked. [2022-11-03 03:34:13,403 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:34:16,148 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (+ 32 |c_ULTIMATE.start_aws_array_list_copy_harness_~#from~0#1.offset|))) (and (forall ((v_ArrVal_905 Int) (|v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.base_30| Int)) (= (select (select (store |c_#memory_$Pointer$.base| |v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.base_30| (store (select |c_#memory_$Pointer$.base| |v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.base_30|) 0 v_ArrVal_905)) |c_ULTIMATE.start_aws_array_list_copy_harness_~#from~0#1.base|) .cse0) 0)) (forall ((v_ArrVal_904 Int) (|v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.base_30| Int)) (= (select (select (store |c_#memory_$Pointer$.offset| |v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.base_30| (store (select |c_#memory_$Pointer$.offset| |v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.base_30|) 0 v_ArrVal_904)) |c_ULTIMATE.start_aws_array_list_copy_harness_~#from~0#1.base|) .cse0) 0)))) is different from false [2022-11-03 03:34:16,151 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:34:16,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358789194] [2022-11-03 03:34:16,151 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 03:34:16,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1826420099] [2022-11-03 03:34:16,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1826420099] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:34:16,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1548154294] [2022-11-03 03:34:16,179 INFO L159 IcfgInterpreter]: Started Sifa with 69 locations of interest [2022-11-03 03:34:16,180 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 03:34:16,185 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 03:34:16,191 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 03:34:16,191 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 03:34:19,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:20,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:20,496 INFO L244 Elim1Store]: Index analysis took 837 ms [2022-11-03 03:36:41,850 WARN L234 SmtUtils]: Spent 2.35m on a formula simplification. DAG size of input: 3151 DAG size of output: 1575 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-03 03:36:41,858 INFO L356 Elim1Store]: treesize reduction 7470, result has 25.5 percent of original size [2022-11-03 03:36:41,863 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 200 select indices, 200 select index equivalence classes, 19507 disjoint index pairs (out of 19900 index pairs), introduced 200 new quantified variables, introduced 591 case distinctions, treesize of input 1014 treesize of output 3173 [2022-11-03 03:36:46,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:36:46,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:36:46,923 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 197 select indices, 197 select index equivalence classes, 19703 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 0 case distinctions, treesize of input 995 treesize of output 1587 [2022-11-03 03:38:25,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:25,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:25,459 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:38:25,465 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:38:25,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:25,474 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:38:25,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:25,482 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:38:30,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:30,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:30,674 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 199 select indices, 199 select index equivalence classes, 19703 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 [2022-11-03 03:38:31,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:31,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:31,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:31,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:31,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:31,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:31,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:31,504 INFO L244 Elim1Store]: Index analysis took 136 ms [2022-11-03 03:38:31,542 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:38:32,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:32,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:32,382 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 200 select indices, 200 select index equivalence classes, 19900 disjoint index pairs (out of 19900 index pairs), introduced 200 new quantified variables, introduced 0 case distinctions, treesize of input 1001 treesize of output 601 [2022-11-03 03:38:33,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:33,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:33,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:33,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:33,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:33,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:33,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:33,321 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:38:33,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:33,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:33,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:33,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:33,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:33,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:33,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:33,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:33,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:33,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:33,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:33,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:33,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:33,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:33,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:33,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:33,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:33,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:33,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:33,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:33,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:33,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:33,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:33,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:33,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:33,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:33,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:33,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:33,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:33,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:33,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:33,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:33,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:33,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:33,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:33,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:33,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:33,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:33,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:33,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:33,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:33,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:33,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:33,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:33,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:33,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:33,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:33,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:33,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:33,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:33,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:33,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:33,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:33,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:34,001 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 55 select indices, 55 select index equivalence classes, 1245 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 [2022-11-03 03:38:49,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:49,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:49,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:49,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:49,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:49,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:49,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:49,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:49,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:49,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:49,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:49,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:49,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:49,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:49,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:49,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:49,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:49,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:49,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:49,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:49,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:49,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:49,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:49,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:49,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:49,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:49,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:49,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:49,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:49,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:49,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:49,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:49,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:49,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:49,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:49,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:49,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:49,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:49,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:49,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:49,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:49,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:49,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:49,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:49,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:49,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:49,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:49,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:49,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:49,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:49,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:49,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:49,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:49,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:49,311 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 55 select indices, 55 select index equivalence classes, 1245 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 [2022-11-03 03:38:49,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:49,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:49,784 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 200 select indices, 200 select index equivalence classes, 19900 disjoint index pairs (out of 19900 index pairs), introduced 200 new quantified variables, introduced 0 case distinctions, treesize of input 1001 treesize of output 601 [2022-11-03 03:38:50,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:50,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:50,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:50,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:50,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:50,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:50,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:50,543 INFO L244 Elim1Store]: Index analysis took 102 ms [2022-11-03 03:38:50,564 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:38:51,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:51,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:51,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:51,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:51,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:51,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:51,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:51,279 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:38:51,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:51,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:51,967 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 199 select indices, 199 select index equivalence classes, 19703 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 [2022-11-03 03:38:55,193 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:38:55,199 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:38:55,228 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:38:55,234 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:38:55,273 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:38:55,281 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:38:55,289 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:38:55,300 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:38:55,440 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:38:55,474 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:38:55,474 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:38:55,488 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:38:55,568 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:38:55,569 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:38:55,586 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:38:55,596 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:38:55,751 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:38:58,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:58,612 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 199 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 [2022-11-03 03:38:58,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:58,694 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 199 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 [2022-11-03 03:38:58,900 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 199 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 [2022-11-03 03:39:01,058 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 199 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 [2022-11-03 03:39:01,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:39:01,172 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 199 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 [2022-11-03 03:39:01,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:39:01,246 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 199 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 [2022-11-03 03:39:04,342 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:39:04,386 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:39:04,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:39:04,564 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:39:04,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:39:04,572 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:39:04,583 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:39:04,636 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:39:04,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:39:04,647 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:39:04,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:39:04,655 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:39:05,377 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:39:05,379 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:39:05,380 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:39:05,390 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:39:05,391 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:39:05,406 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:39:05,407 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:39:05,417 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:39:05,418 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:39:05,635 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:39:05,637 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:39:05,638 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:39:05,650 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:39:05,651 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:39:05,667 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:39:05,668 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:39:05,678 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:39:05,680 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:39:06,325 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:39:06,337 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:39:06,417 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:39:06,429 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:39:06,456 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:39:06,551 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:39:06,565 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:39:06,591 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:39:44,292 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 43 for LOIs [2022-11-03 03:39:44,300 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_valid with input of size 74 for LOIs [2022-11-03 03:39:44,354 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:39:44,368 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:39:44,539 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:39:44,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:39:44,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:39:44,564 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:39:44,564 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:39:44,580 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:39:44,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:39:44,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:39:44,728 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:39:44,728 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:39:44,740 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:39:44,771 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:39:44,910 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:39:45,107 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_bounded with input of size 3270 for LOIs [2022-11-03 03:40:01,256 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 47 for LOIs [2022-11-03 03:40:01,378 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:40:01,387 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:40:01,397 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:40:01,410 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:40:01,818 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 49 for LOIs [2022-11-03 03:40:01,831 INFO L197 IcfgInterpreter]: Interpreting procedure aws_raise_error with input of size 62 for LOIs [2022-11-03 03:40:01,849 INFO L197 IcfgInterpreter]: Interpreting procedure ensure_array_list_has_allocated_data_member with input of size 3334 for LOIs [2022-11-03 03:42:11,767 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:42:11,775 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:42:11,783 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:42:11,794 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:42:50,542 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_allocator with input of size 43 for LOIs [2022-11-03 03:42:50,545 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 43 for LOIs [2022-11-03 03:42:50,549 INFO L180 IcfgInterpreter]: Interpretation finished