./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_swap_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_6ab8ac2f-42ca-4e7d-9711-ff4242c6cc5b/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ab8ac2f-42ca-4e7d-9711-ff4242c6cc5b/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_6ab8ac2f-42ca-4e7d-9711-ff4242c6cc5b/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ab8ac2f-42ca-4e7d-9711-ff4242c6cc5b/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_swap_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ab8ac2f-42ca-4e7d-9711-ff4242c6cc5b/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_6ab8ac2f-42ca-4e7d-9711-ff4242c6cc5b/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 6f838ff631dd7d907eee223e4bc065b6ce71a3dd1969d0a88cef9ccdcf3b54d1 --- 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 02:19:09,740 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:19:09,743 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:19:09,784 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:19:09,784 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:19:09,788 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:19:09,791 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:19:09,794 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:19:09,796 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:19:09,804 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:19:09,805 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:19:09,807 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:19:09,808 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:19:09,810 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:19:09,812 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:19:09,814 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:19:09,815 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:19:09,816 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:19:09,817 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:19:09,824 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:19:09,827 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:19:09,828 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:19:09,831 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:19:09,832 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:19:09,837 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:19:09,840 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:19:09,841 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:19:09,842 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:19:09,843 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:19:09,844 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:19:09,845 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:19:09,846 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:19:09,849 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:19:09,849 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:19:09,850 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:19:09,850 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:19:09,851 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:19:09,851 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:19:09,851 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:19:09,852 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:19:09,853 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:19:09,854 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ab8ac2f-42ca-4e7d-9711-ff4242c6cc5b/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 02:19:09,888 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:19:09,888 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:19:09,889 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:19:09,889 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:19:09,889 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:19:09,889 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:19:09,890 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:19:09,890 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:19:09,890 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:19:09,890 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:19:09,890 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:19:09,891 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:19:09,891 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:19:09,891 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:19:09,891 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:19:09,891 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:19:09,892 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:19:09,892 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:19:09,892 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:19:09,893 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:19:09,893 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:19:09,893 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:19:09,893 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:19:09,893 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:19:09,893 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:19:09,894 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:19:09,897 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:19:09,897 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:19:09,898 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:19:09,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:19:09,898 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:19:09,899 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:19:09,899 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:19:09,899 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:19:09,899 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:19:09,899 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:19:09,900 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:19:09,900 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:19:09,901 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_6ab8ac2f-42ca-4e7d-9711-ff4242c6cc5b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ab8ac2f-42ca-4e7d-9711-ff4242c6cc5b/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f838ff631dd7d907eee223e4bc065b6ce71a3dd1969d0a88cef9ccdcf3b54d1 [2022-11-03 02:19:10,153 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:19:10,173 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:19:10,175 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:19:10,176 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:19:10,178 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:19:10,180 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ab8ac2f-42ca-4e7d-9711-ff4242c6cc5b/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/aws-c-common/aws_array_list_swap_harness.i [2022-11-03 02:19:10,238 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ab8ac2f-42ca-4e7d-9711-ff4242c6cc5b/bin/utaipan-7li7fVZpFI/data/84e4c5fbd/fc584d7771164d6aa2dbdff2eaed8b79/FLAG5722446d2 [2022-11-03 02:19:11,063 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:19:11,064 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ab8ac2f-42ca-4e7d-9711-ff4242c6cc5b/sv-benchmarks/c/aws-c-common/aws_array_list_swap_harness.i [2022-11-03 02:19:11,103 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ab8ac2f-42ca-4e7d-9711-ff4242c6cc5b/bin/utaipan-7li7fVZpFI/data/84e4c5fbd/fc584d7771164d6aa2dbdff2eaed8b79/FLAG5722446d2 [2022-11-03 02:19:11,153 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ab8ac2f-42ca-4e7d-9711-ff4242c6cc5b/bin/utaipan-7li7fVZpFI/data/84e4c5fbd/fc584d7771164d6aa2dbdff2eaed8b79 [2022-11-03 02:19:11,157 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:19:11,160 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:19:11,163 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:19:11,163 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:19:11,166 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:19:11,167 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:19:11" (1/1) ... [2022-11-03 02:19:11,169 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ae4d4ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:19:11, skipping insertion in model container [2022-11-03 02:19:11,169 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:19:11" (1/1) ... [2022-11-03 02:19:11,176 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:19:11,296 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:19:11,606 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_6ab8ac2f-42ca-4e7d-9711-ff4242c6cc5b/sv-benchmarks/c/aws-c-common/aws_array_list_swap_harness.i[4493,4506] [2022-11-03 02:19:11,614 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_6ab8ac2f-42ca-4e7d-9711-ff4242c6cc5b/sv-benchmarks/c/aws-c-common/aws_array_list_swap_harness.i[4553,4566] [2022-11-03 02:19:12,529 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-03 02:19:12,632 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:19:12,633 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:19:12,634 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:19:12,638 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:19:12,641 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:19:12,653 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:19:12,659 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:19:12,661 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:19:12,667 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:19:12,670 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:19:12,670 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:19:12,671 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:19:12,672 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:19:12,963 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-03 02:19:12,965 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-03 02:19:12,966 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-03 02:19:12,967 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-03 02:19:12,968 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-03 02:19:12,969 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-03 02:19:12,969 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-03 02:19:12,970 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-03 02:19:12,971 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-03 02:19:12,971 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-03 02:19:13,095 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:19:13,097 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:19:13,101 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:19:13,116 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:19:13,169 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:19:13,193 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:19:13,206 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_6ab8ac2f-42ca-4e7d-9711-ff4242c6cc5b/sv-benchmarks/c/aws-c-common/aws_array_list_swap_harness.i[4493,4506] [2022-11-03 02:19:13,207 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_6ab8ac2f-42ca-4e7d-9711-ff4242c6cc5b/sv-benchmarks/c/aws-c-common/aws_array_list_swap_harness.i[4553,4566] [2022-11-03 02:19:13,256 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-03 02:19:13,284 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:19:13,285 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:19:13,285 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:19:13,286 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:19:13,287 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:19:13,300 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:19:13,301 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:19:13,302 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:19:13,303 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:19:13,305 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:19:13,306 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:19:13,306 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:19:13,307 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:19:13,356 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-03 02:19:13,357 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-03 02:19:13,358 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-03 02:19:13,359 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-03 02:19:13,360 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-03 02:19:13,361 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-03 02:19:13,364 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-03 02:19:13,364 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-03 02:19:13,365 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-03 02:19:13,366 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-03 02:19:13,436 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:19:13,436 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:19:13,437 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:19:13,459 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:19:13,485 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:19:13,743 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:19:13,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:19:13 WrapperNode [2022-11-03 02:19:13,744 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:19:13,745 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:19:13,746 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:19:13,746 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:19:13,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:19:13" (1/1) ... [2022-11-03 02:19:13,868 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:19:13" (1/1) ... [2022-11-03 02:19:13,941 INFO L138 Inliner]: procedures = 691, calls = 1682, calls flagged for inlining = 52, calls inlined = 8, statements flattened = 649 [2022-11-03 02:19:13,949 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:19:13,950 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:19:13,950 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:19:13,951 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:19:13,960 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:19:13" (1/1) ... [2022-11-03 02:19:13,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:19:13" (1/1) ... [2022-11-03 02:19:13,972 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:19:13" (1/1) ... [2022-11-03 02:19:13,973 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:19:13" (1/1) ... [2022-11-03 02:19:14,023 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:19:13" (1/1) ... [2022-11-03 02:19:14,033 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:19:13" (1/1) ... [2022-11-03 02:19:14,051 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:19:13" (1/1) ... [2022-11-03 02:19:14,055 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:19:13" (1/1) ... [2022-11-03 02:19:14,073 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:19:14,074 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:19:14,074 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:19:14,074 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:19:14,075 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:19:13" (1/1) ... [2022-11-03 02:19:14,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:19:14,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ab8ac2f-42ca-4e7d-9711-ff4242c6cc5b/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:19:14,124 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ab8ac2f-42ca-4e7d-9711-ff4242c6cc5b/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:19:14,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ab8ac2f-42ca-4e7d-9711-ff4242c6cc5b/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:19:14,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:19:14,178 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-11-03 02:19:14,179 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-11-03 02:19:14,179 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-03 02:19:14,179 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-03 02:19:14,179 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-03 02:19:14,179 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-03 02:19:14,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:19:14,179 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-03 02:19:14,180 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-03 02:19:14,180 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-03 02:19:14,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-03 02:19:14,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:19:14,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:19:14,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:19:14,181 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-11-03 02:19:14,181 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-11-03 02:19:14,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:19:14,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:19:14,183 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-03 02:19:14,183 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-03 02:19:14,183 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-03 02:19:14,183 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-03 02:19:14,183 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2022-11-03 02:19:14,184 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2022-11-03 02:19:14,184 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 02:19:14,184 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 02:19:14,184 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-11-03 02:19:14,184 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-11-03 02:19:14,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:19:14,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 02:19:14,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 02:19:14,186 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2022-11-03 02:19:14,186 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2022-11-03 02:19:14,187 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-03 02:19:14,187 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-03 02:19:14,187 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-03 02:19:14,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-03 02:19:14,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:19:14,187 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-11-03 02:19:14,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-11-03 02:19:14,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:19:14,600 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:19:14,602 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:19:15,717 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:19:15,896 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:19:15,897 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-03 02:19:15,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:19:15 BoogieIcfgContainer [2022-11-03 02:19:15,900 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:19:15,903 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:19:15,903 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:19:15,907 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:19:15,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:19:11" (1/3) ... [2022-11-03 02:19:15,915 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20e2070b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:19:15, skipping insertion in model container [2022-11-03 02:19:15,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:19:13" (2/3) ... [2022-11-03 02:19:15,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20e2070b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:19:15, skipping insertion in model container [2022-11-03 02:19:15,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:19:15" (3/3) ... [2022-11-03 02:19:15,918 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_swap_harness.i [2022-11-03 02:19:15,943 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:19:15,944 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:19:16,031 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:19:16,045 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;@19e3c588, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:19:16,048 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:19:16,053 INFO L276 IsEmpty]: Start isEmpty. Operand has 151 states, 73 states have (on average 1.1369863013698631) internal successors, (83), 74 states have internal predecessors, (83), 61 states have call successors, (61), 15 states have call predecessors, (61), 15 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2022-11-03 02:19:16,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-03 02:19:16,064 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:19:16,064 INFO L195 NwaCegarLoop]: trace histogram [5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:19:16,065 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:19:16,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:19:16,072 INFO L85 PathProgramCache]: Analyzing trace with hash -333435140, now seen corresponding path program 1 times [2022-11-03 02:19:16,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:19:16,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542895145] [2022-11-03 02:19:16,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:19:16,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:19:16,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:19:17,132 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-03 02:19:17,133 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:19:17,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542895145] [2022-11-03 02:19:17,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542895145] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:19:17,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [785362147] [2022-11-03 02:19:17,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:19:17,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:19:17,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ab8ac2f-42ca-4e7d-9711-ff4242c6cc5b/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:19:17,136 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ab8ac2f-42ca-4e7d-9711-ff4242c6cc5b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:19:17,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ab8ac2f-42ca-4e7d-9711-ff4242c6cc5b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 02:19:17,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:19:17,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 1989 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-03 02:19:17,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:19:17,806 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 02:19:17,806 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:19:17,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [785362147] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:19:17,807 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 02:19:17,807 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-11-03 02:19:17,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893025396] [2022-11-03 02:19:17,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:19:17,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:19:17,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:19:17,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:19:17,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:19:17,855 INFO L87 Difference]: Start difference. First operand has 151 states, 73 states have (on average 1.1369863013698631) internal successors, (83), 74 states have internal predecessors, (83), 61 states have call successors, (61), 15 states have call predecessors, (61), 15 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-03 02:19:18,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:19:18,423 INFO L93 Difference]: Finished difference Result 273 states and 398 transitions. [2022-11-03 02:19:18,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:19:18,426 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 54 [2022-11-03 02:19:18,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:19:18,438 INFO L225 Difference]: With dead ends: 273 [2022-11-03 02:19:18,438 INFO L226 Difference]: Without dead ends: 151 [2022-11-03 02:19:18,443 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-03 02:19:18,446 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 31 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 582 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:19:18,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 582 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 02:19:18,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2022-11-03 02:19:18,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2022-11-03 02:19:18,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 73 states have (on average 1.1232876712328768) internal successors, (82), 75 states have internal predecessors, (82), 61 states have call successors, (61), 15 states have call predecessors, (61), 16 states have return successors, (68), 60 states have call predecessors, (68), 60 states have call successors, (68) [2022-11-03 02:19:18,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 211 transitions. [2022-11-03 02:19:18,510 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 211 transitions. Word has length 54 [2022-11-03 02:19:18,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:19:18,511 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 211 transitions. [2022-11-03 02:19:18,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-03 02:19:18,511 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 211 transitions. [2022-11-03 02:19:18,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-03 02:19:18,514 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:19:18,515 INFO L195 NwaCegarLoop]: trace histogram [5, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:19:18,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ab8ac2f-42ca-4e7d-9711-ff4242c6cc5b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 02:19:18,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ab8ac2f-42ca-4e7d-9711-ff4242c6cc5b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:19:18,716 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:19:18,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:19:18,716 INFO L85 PathProgramCache]: Analyzing trace with hash 211094557, now seen corresponding path program 1 times [2022-11-03 02:19:18,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:19:18,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842257229] [2022-11-03 02:19:18,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:19:18,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:19:18,851 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 02:19:18,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1749558933] [2022-11-03 02:19:18,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:19:18,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:19:18,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ab8ac2f-42ca-4e7d-9711-ff4242c6cc5b/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:19:18,854 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ab8ac2f-42ca-4e7d-9711-ff4242c6cc5b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:19:18,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ab8ac2f-42ca-4e7d-9711-ff4242c6cc5b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 02:19:19,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:19:19,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 2121 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-03 02:19:19,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:19:19,448 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-03 02:19:19,448 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:19:19,448 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:19:19,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842257229] [2022-11-03 02:19:19,449 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 02:19:19,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1749558933] [2022-11-03 02:19:19,449 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1749558933] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:19:19,449 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:19:19,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 02:19:19,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501365442] [2022-11-03 02:19:19,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:19:19,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 02:19:19,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:19:19,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 02:19:19,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:19:19,453 INFO L87 Difference]: Start difference. First operand 151 states and 211 transitions. Second operand has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 6 states have internal predecessors, (32), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2022-11-03 02:19:20,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:19:20,565 INFO L93 Difference]: Finished difference Result 278 states and 397 transitions. [2022-11-03 02:19:20,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:19:20,568 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 6 states have internal predecessors, (32), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) Word has length 63 [2022-11-03 02:19:20,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:19:20,570 INFO L225 Difference]: With dead ends: 278 [2022-11-03 02:19:20,571 INFO L226 Difference]: Without dead ends: 161 [2022-11-03 02:19:20,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-03 02:19:20,573 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 36 mSDsluCounter, 804 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 889 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:19:20,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 889 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-03 02:19:20,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2022-11-03 02:19:20,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2022-11-03 02:19:20,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 77 states have (on average 1.1168831168831168) internal successors, (86), 79 states have internal predecessors, (86), 66 states have call successors, (66), 16 states have call predecessors, (66), 17 states have return successors, (73), 65 states have call predecessors, (73), 65 states have call successors, (73) [2022-11-03 02:19:20,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 225 transitions. [2022-11-03 02:19:20,612 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 225 transitions. Word has length 63 [2022-11-03 02:19:20,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:19:20,613 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 225 transitions. [2022-11-03 02:19:20,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 6 states have internal predecessors, (32), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2022-11-03 02:19:20,613 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 225 transitions. [2022-11-03 02:19:20,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-03 02:19:20,620 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:19:20,620 INFO L195 NwaCegarLoop]: trace histogram [5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:19:20,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ab8ac2f-42ca-4e7d-9711-ff4242c6cc5b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-03 02:19:20,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ab8ac2f-42ca-4e7d-9711-ff4242c6cc5b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:19:20,834 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:19:20,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:19:20,835 INFO L85 PathProgramCache]: Analyzing trace with hash -1014181917, now seen corresponding path program 1 times [2022-11-03 02:19:20,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:19:20,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016305441] [2022-11-03 02:19:20,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:19:20,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:19:20,949 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 02:19:20,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1545310963] [2022-11-03 02:19:20,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:19:20,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:19:20,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ab8ac2f-42ca-4e7d-9711-ff4242c6cc5b/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:19:20,951 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ab8ac2f-42ca-4e7d-9711-ff4242c6cc5b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:19:20,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ab8ac2f-42ca-4e7d-9711-ff4242c6cc5b/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-03 02:19:21,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:19:21,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 2385 conjuncts, 298 conjunts are in the unsatisfiable core [2022-11-03 02:19:21,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:19:21,740 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 02:19:22,899 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 34 treesize of output 36 [2022-11-03 02:19:27,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:19:27,103 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 02:19:27,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:19:27,125 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 02:19:30,300 INFO L356 Elim1Store]: treesize reduction 53, result has 32.9 percent of original size [2022-11-03 02:19:30,300 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 53 [2022-11-03 02:19:30,319 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 29 treesize of output 29 [2022-11-03 02:19:30,341 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 02:19:30,358 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 02:19:39,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:19:39,681 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:19:39,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:19:39,683 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:19:39,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:19:39,691 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 176 [2022-11-03 02:19:39,811 INFO L356 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-03 02:19:39,811 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 86 treesize of output 119 [2022-11-03 02:19:39,905 INFO L356 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-03 02:19:39,905 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 80 treesize of output 113 [2022-11-03 02:19:39,978 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:19:39,979 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 72 treesize of output 90 [2022-11-03 02:19:54,650 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-03 02:19:54,651 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 76 treesize of output 60 [2022-11-03 02:19:54,663 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2022-11-03 02:19:56,799 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:19:56,803 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:19:56,804 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 55 [2022-11-03 02:19:56,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:19:56,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:19:56,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:19:56,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:19:56,825 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 43 [2022-11-03 02:19:57,699 INFO L356 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2022-11-03 02:19:57,700 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 1 case distinctions, treesize of input 45 treesize of output 27 [2022-11-03 02:19:57,732 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-03 02:19:57,733 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 1 case distinctions, treesize of input 45 treesize of output 33 [2022-11-03 02:20:02,396 INFO L356 Elim1Store]: treesize reduction 33, result has 2.9 percent of original size [2022-11-03 02:20:02,397 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 2 case distinctions, treesize of input 45 treesize of output 27 [2022-11-03 02:20:06,994 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-03 02:20:06,994 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 1 case distinctions, treesize of input 45 treesize of output 33 [2022-11-03 02:20:09,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:20:09,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:20:09,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:20:09,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:20:09,357 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 56 [2022-11-03 02:20:19,305 WARN L234 SmtUtils]: Spent 5.03s on a formula simplification. DAG size of input: 137 DAG size of output: 62 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:21:36,219 WARN L234 SmtUtils]: Spent 11.67s on a formula simplification. DAG size of input: 434 DAG size of output: 102 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-03 02:21:36,220 INFO L356 Elim1Store]: treesize reduction 1271, result has 12.3 percent of original size [2022-11-03 02:21:36,220 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 7 stores, 11 select indices, 11 select index equivalence classes, 7 disjoint index pairs (out of 55 index pairs), introduced 18 new quantified variables, introduced 98 case distinctions, treesize of input 530 treesize of output 1005 [2022-11-03 02:21:36,660 INFO L244 Elim1Store]: Index analysis took 218 ms [2022-11-03 02:21:39,336 INFO L356 Elim1Store]: treesize reduction 70, result has 47.8 percent of original size [2022-11-03 02:21:39,337 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 8 new quantified variables, introduced 7 case distinctions, treesize of input 323 treesize of output 671 [2022-11-03 02:21:39,890 INFO L244 Elim1Store]: Index analysis took 299 ms [2022-11-03 02:21:42,751 INFO L356 Elim1Store]: treesize reduction 70, result has 47.8 percent of original size [2022-11-03 02:21:42,752 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 8 new quantified variables, introduced 7 case distinctions, treesize of input 302 treesize of output 650 [2022-11-03 02:21:44,247 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 12 proven. 36 refuted. 4 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-03 02:21:44,247 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:21:59,328 WARN L234 SmtUtils]: Spent 14.35s on a formula simplification that was a NOOP. DAG size: 224 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:22:08,384 WARN L234 SmtUtils]: Spent 9.05s on a formula simplification that was a NOOP. DAG size: 171 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:22:41,000 WARN L234 SmtUtils]: Spent 32.58s on a formula simplification. DAG size of input: 394 DAG size of output: 188 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:22:51,378 WARN L234 SmtUtils]: Spent 10.38s on a formula simplification that was a NOOP. DAG size: 180 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 02:23:36,352 WARN L234 SmtUtils]: Spent 5.73s on a formula simplification that was a NOOP. DAG size: 57 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:23:36,353 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:23:36,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016305441] [2022-11-03 02:23:36,354 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 02:23:36,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1545310963] [2022-11-03 02:23:36,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1545310963] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:23:36,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [462255125] [2022-11-03 02:23:36,381 INFO L159 IcfgInterpreter]: Started Sifa with 48 locations of interest [2022-11-03 02:23:36,381 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:23:36,385 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:23:36,391 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:23:36,391 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:23:38,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:39,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:39,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:23:39,323 INFO L244 Elim1Store]: Index analysis took 464 ms [2022-11-03 02:24:25,299 WARN L234 SmtUtils]: Spent 45.91s on a formula simplification. DAG size of input: 2139 DAG size of output: 1167 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-03 02:24:25,303 INFO L356 Elim1Store]: treesize reduction 3492, result has 33.3 percent of original size [2022-11-03 02:24:25,307 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 199 select indices, 199 select index equivalence classes, 19507 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 388 case distinctions, treesize of input 1002 treesize of output 2369 [2022-11-03 02:24:28,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:28,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:28,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:24:28,563 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 197 select indices, 197 select index equivalence classes, 19504 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 0 case distinctions, treesize of input 992 treesize of output 1582 [2022-11-03 02:25:30,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:30,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:30,685 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 02:25:30,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:30,696 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 02:25:30,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:30,706 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 02:25:30,716 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 02:25:33,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:33,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:33,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:33,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:33,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:33,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:33,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:33,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:33,860 INFO L244 Elim1Store]: Index analysis took 123 ms [2022-11-03 02:25:33,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:33,878 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:33,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:33,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:33,894 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:33,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:33,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:33,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:33,967 INFO L356 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-03 02:25:33,972 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 195 select indices, 195 select index equivalence classes, 17056 disjoint index pairs (out of 18915 index pairs), introduced 195 new quantified variables, introduced 18 case distinctions, treesize of input 1752 treesize of output 586 [2022-11-03 02:25:34,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:34,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:34,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:34,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:34,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:34,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:34,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:34,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:34,637 INFO L244 Elim1Store]: Index analysis took 137 ms [2022-11-03 02:25:34,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:34,649 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:34,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:34,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:34,665 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:34,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:34,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:34,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:34,761 INFO L356 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-11-03 02:25:34,765 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 195 select indices, 195 select index equivalence classes, 17056 disjoint index pairs (out of 18915 index pairs), introduced 195 new quantified variables, introduced 18 case distinctions, treesize of input 1752 treesize of output 594 [2022-11-03 02:25:35,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,348 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19506 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 991 treesize of output 595 [2022-11-03 02:25:35,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:35,788 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 55 select indices, 55 select index equivalence classes, 1244 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 0 case distinctions, treesize of input 644 treesize of output 304 [2022-11-03 02:25:36,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:36,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:36,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:36,118 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 02:25:44,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:44,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:44,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:44,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:44,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:44,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:44,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:44,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:44,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:44,968 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:44,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:44,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:44,977 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:25:44,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:44,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:44,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:45,069 INFO L356 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-11-03 02:25:45,074 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 195 select indices, 195 select index equivalence classes, 17056 disjoint index pairs (out of 18915 index pairs), introduced 195 new quantified variables, introduced 18 case distinctions, treesize of input 1752 treesize of output 594 [2022-11-03 02:25:45,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:45,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:45,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:45,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:45,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:45,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:45,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:45,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:45,603 INFO L244 Elim1Store]: Index analysis took 101 ms [2022-11-03 02:25:45,626 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 195 select indices, 195 select index equivalence classes, 17053 disjoint index pairs (out of 18915 index pairs), introduced 195 new quantified variables, introduced 0 case distinctions, treesize of input 1752 treesize of output 586 [2022-11-03 02:25:46,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:46,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:46,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:46,209 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 02:25:46,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:46,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:46,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:46,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:46,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:46,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:46,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:46,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:46,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:46,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:46,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:46,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:46,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:46,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:46,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:46,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:46,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:46,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:46,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:46,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:46,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:46,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:46,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:46,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:46,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:46,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:46,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:46,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:46,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:46,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:46,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:46,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:46,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:46,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:46,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:46,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:46,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:46,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:46,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:46,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:46,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:46,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:46,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:46,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:46,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:46,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:46,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:46,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:46,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:46,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:46,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:46,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:46,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:46,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:46,605 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 55 select indices, 55 select index equivalence classes, 1244 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 0 case distinctions, treesize of input 644 treesize of output 304 [2022-11-03 02:25:46,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:46,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:46,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:46,955 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19506 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 991 treesize of output 595 [2022-11-03 02:25:48,077 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 02:25:48,085 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 02:25:48,123 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 02:25:48,127 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 02:25:48,160 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 02:25:48,167 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 02:25:48,173 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 02:25:48,180 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 02:25:48,206 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 02:25:48,253 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:25:48,253 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 02:25:48,262 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 02:25:48,292 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 02:25:48,299 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 02:25:48,344 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:25:48,345 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 02:25:48,393 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 02:25:48,902 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 198 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-11-03 02:25:48,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:48,992 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 198 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 30 [2022-11-03 02:25:49,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:49,042 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 198 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 24 [2022-11-03 02:25:50,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:50,434 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 198 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 30 [2022-11-03 02:25:50,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:25:50,495 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 198 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 24 [2022-11-03 02:25:50,550 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 198 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-11-03 02:26:09,131 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_length with input of size 68 for LOIs [2022-11-03 02:26:09,690 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 9 treesize of output 3 [2022-11-03 02:26:09,784 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 9 treesize of output 3 [2022-11-03 02:26:10,739 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 43 for LOIs [2022-11-03 02:26:10,753 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_valid with input of size 48 for LOIs [2022-11-03 02:26:10,772 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 02:26:10,788 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 02:26:10,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:10,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:10,866 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:26:10,866 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 02:26:10,882 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 02:26:10,891 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 02:26:10,956 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 02:26:10,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:10,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:26:10,972 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:26:10,973 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 02:26:10,988 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 02:26:11,350 INFO L356 Elim1Store]: treesize reduction 24, result has 48.9 percent of original size [2022-11-03 02:26:11,350 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 174 treesize of output 191 [2022-11-03 02:26:11,836 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_bounded with input of size 2826 for LOIs [2022-11-03 02:26:14,995 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 108 for LOIs [2022-11-03 02:26:15,703 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 94 for LOIs [2022-11-03 02:26:15,736 INFO L197 IcfgInterpreter]: Interpreting procedure ensure_array_list_has_allocated_data_member with input of size 2873 for LOIs [2022-11-03 02:28:00,881 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_allocator with input of size 2871 for LOIs [2022-11-03 02:28:08,003 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 43 for LOIs [2022-11-03 02:28:08,006 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 02:32:09,485 WARN L234 SmtUtils]: Spent 3.97m on a formula simplification. DAG size of input: 2822 DAG size of output: 2436 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)