./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_push_back_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405d8761-4fb7-4b86-bb83-5f093f49b9d5/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405d8761-4fb7-4b86-bb83-5f093f49b9d5/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405d8761-4fb7-4b86-bb83-5f093f49b9d5/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405d8761-4fb7-4b86-bb83-5f093f49b9d5/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_push_back_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405d8761-4fb7-4b86-bb83-5f093f49b9d5/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405d8761-4fb7-4b86-bb83-5f093f49b9d5/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1c506089032d4cdff4e7555a7f0fed6846d5bd185846ae9cd372b1dcc3fd0c8a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 11:53:59,593 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 11:53:59,595 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 11:53:59,610 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 11:53:59,610 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 11:53:59,611 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 11:53:59,612 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 11:53:59,613 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 11:53:59,614 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 11:53:59,615 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 11:53:59,615 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 11:53:59,616 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 11:53:59,616 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 11:53:59,617 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 11:53:59,618 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 11:53:59,618 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 11:53:59,619 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 11:53:59,620 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 11:53:59,621 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 11:53:59,622 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 11:53:59,623 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 11:53:59,624 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 11:53:59,625 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 11:53:59,625 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 11:53:59,628 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 11:53:59,628 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 11:53:59,628 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 11:53:59,629 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 11:53:59,629 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 11:53:59,630 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 11:53:59,630 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 11:53:59,631 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 11:53:59,631 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 11:53:59,632 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 11:53:59,632 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 11:53:59,633 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 11:53:59,633 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 11:53:59,633 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 11:53:59,633 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 11:53:59,634 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 11:53:59,635 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 11:53:59,635 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405d8761-4fb7-4b86-bb83-5f093f49b9d5/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 11:53:59,651 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 11:53:59,651 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 11:53:59,651 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 11:53:59,651 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 11:53:59,652 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 11:53:59,652 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 11:53:59,652 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 11:53:59,652 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 11:53:59,652 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 11:53:59,652 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 11:53:59,652 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 11:53:59,653 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 11:53:59,653 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 11:53:59,653 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 11:53:59,653 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 11:53:59,653 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 11:53:59,653 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 11:53:59,653 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 11:53:59,654 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 11:53:59,654 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 11:53:59,654 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 11:53:59,654 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 11:53:59,654 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 11:53:59,655 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 11:53:59,655 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 11:53:59,655 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 11:53:59,655 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 11:53:59,655 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 11:53:59,655 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 11:53:59,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 11:53:59,655 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 11:53:59,656 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 11:53:59,656 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 11:53:59,656 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 11:53:59,656 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 11:53:59,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 11:53:59,656 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 11:53:59,656 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 11:53:59,656 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_405d8761-4fb7-4b86-bb83-5f093f49b9d5/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405d8761-4fb7-4b86-bb83-5f093f49b9d5/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c506089032d4cdff4e7555a7f0fed6846d5bd185846ae9cd372b1dcc3fd0c8a [2022-12-14 11:53:59,818 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 11:53:59,838 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 11:53:59,841 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 11:53:59,842 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 11:53:59,842 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 11:53:59,843 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405d8761-4fb7-4b86-bb83-5f093f49b9d5/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/aws-c-common/aws_array_list_push_back_harness.i [2022-12-14 11:54:02,534 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 11:54:02,835 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 11:54:02,836 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405d8761-4fb7-4b86-bb83-5f093f49b9d5/sv-benchmarks/c/aws-c-common/aws_array_list_push_back_harness.i [2022-12-14 11:54:02,856 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405d8761-4fb7-4b86-bb83-5f093f49b9d5/bin/utaipan-gh47qXpMRh/data/d0f2951aa/d96291ecb2b746e8aba97f6eb4f96477/FLAG26f2e70c1 [2022-12-14 11:54:02,866 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405d8761-4fb7-4b86-bb83-5f093f49b9d5/bin/utaipan-gh47qXpMRh/data/d0f2951aa/d96291ecb2b746e8aba97f6eb4f96477 [2022-12-14 11:54:02,868 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 11:54:02,869 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 11:54:02,869 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 11:54:02,870 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 11:54:02,872 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 11:54:02,873 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:54:02" (1/1) ... [2022-12-14 11:54:02,873 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62f0e8d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:02, skipping insertion in model container [2022-12-14 11:54:02,873 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:54:02" (1/1) ... [2022-12-14 11:54:02,879 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 11:54:02,932 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 11:54:03,136 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405d8761-4fb7-4b86-bb83-5f093f49b9d5/sv-benchmarks/c/aws-c-common/aws_array_list_push_back_harness.i[4498,4511] [2022-12-14 11:54:03,143 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405d8761-4fb7-4b86-bb83-5f093f49b9d5/sv-benchmarks/c/aws-c-common/aws_array_list_push_back_harness.i[4558,4571] [2022-12-14 11:54:03,697 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 11:54:03,753 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 11:54:03,756 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 11:54:03,757 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 11:54:03,757 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 11:54:03,758 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 11:54:03,758 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 11:54:03,760 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 11:54:03,768 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 11:54:03,768 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 11:54:03,768 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 11:54:03,770 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 11:54:03,770 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 11:54:03,772 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 11:54:03,772 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 11:54:03,772 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 11:54:03,773 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 11:54:03,773 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 11:54:03,843 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 11:54:03,844 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 11:54:03,844 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 11:54:03,848 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 11:54:03,849 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 11:54:03,849 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 11:54:04,080 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 11:54:04,081 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 11:54:04,088 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 11:54:04,089 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 11:54:04,090 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 11:54:04,091 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 11:54:04,092 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 11:54:04,092 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 11:54:04,093 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 11:54:04,093 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 11:54:04,094 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 11:54:04,216 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 11:54:04,218 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 11:54:04,220 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 11:54:04,221 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 11:54:04,222 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 11:54:04,224 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 11:54:04,227 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 11:54:04,227 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 11:54:04,227 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 11:54:04,228 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 11:54:04,228 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 11:54:04,228 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 11:54:04,258 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 11:54:04,264 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 11:54:04,283 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 11:54:04,293 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405d8761-4fb7-4b86-bb83-5f093f49b9d5/sv-benchmarks/c/aws-c-common/aws_array_list_push_back_harness.i[4498,4511] [2022-12-14 11:54:04,294 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405d8761-4fb7-4b86-bb83-5f093f49b9d5/sv-benchmarks/c/aws-c-common/aws_array_list_push_back_harness.i[4558,4571] [2022-12-14 11:54:04,318 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 11:54:04,328 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 11:54:04,330 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 11:54:04,330 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 11:54:04,330 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 11:54:04,331 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 11:54:04,331 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 11:54:04,333 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 11:54:04,337 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 11:54:04,337 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 11:54:04,338 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 11:54:04,338 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 11:54:04,339 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 11:54:04,340 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 11:54:04,340 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 11:54:04,340 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 11:54:04,341 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 11:54:04,341 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 11:54:04,346 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 11:54:04,347 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 11:54:04,347 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 11:54:04,350 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 11:54:04,351 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 11:54:04,351 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 11:54:04,368 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 11:54:04,369 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 11:54:04,369 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 11:54:04,370 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 11:54:04,370 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 11:54:04,371 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 11:54:04,371 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 11:54:04,372 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 11:54:04,372 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 11:54:04,372 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 11:54:04,373 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 11:54:04,390 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 11:54:04,392 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 11:54:04,393 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 11:54:04,394 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 11:54:04,394 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 11:54:04,395 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 11:54:04,396 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 11:54:04,397 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 11:54:04,397 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 11:54:04,397 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 11:54:04,398 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 11:54:04,398 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 11:54:04,410 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 11:54:04,412 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 11:54:04,602 INFO L208 MainTranslator]: Completed translation [2022-12-14 11:54:04,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:04 WrapperNode [2022-12-14 11:54:04,603 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 11:54:04,604 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 11:54:04,604 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 11:54:04,604 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 11:54:04,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:04" (1/1) ... [2022-12-14 11:54:04,661 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:04" (1/1) ... [2022-12-14 11:54:04,710 INFO L138 Inliner]: procedures = 691, calls = 1680, calls flagged for inlining = 53, calls inlined = 14, statements flattened = 894 [2022-12-14 11:54:04,711 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 11:54:04,711 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 11:54:04,711 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 11:54:04,712 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 11:54:04,719 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:04" (1/1) ... [2022-12-14 11:54:04,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:04" (1/1) ... [2022-12-14 11:54:04,724 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:04" (1/1) ... [2022-12-14 11:54:04,724 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:04" (1/1) ... [2022-12-14 11:54:04,744 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:04" (1/1) ... [2022-12-14 11:54:04,746 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:04" (1/1) ... [2022-12-14 11:54:04,751 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:04" (1/1) ... [2022-12-14 11:54:04,754 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:04" (1/1) ... [2022-12-14 11:54:04,760 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 11:54:04,770 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 11:54:04,770 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 11:54:04,771 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 11:54:04,771 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:04" (1/1) ... [2022-12-14 11:54:04,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 11:54:04,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405d8761-4fb7-4b86-bb83-5f093f49b9d5/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:54:04,801 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405d8761-4fb7-4b86-bb83-5f093f49b9d5/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 11:54:04,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405d8761-4fb7-4b86-bb83-5f093f49b9d5/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 11:54:04,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 11:54:04,837 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-12-14 11:54:04,837 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-12-14 11:54:04,837 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-12-14 11:54:04,837 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-12-14 11:54:04,837 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-12-14 11:54:04,837 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-12-14 11:54:04,837 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2022-12-14 11:54:04,837 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2022-12-14 11:54:04,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 11:54:04,837 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-12-14 11:54:04,838 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-12-14 11:54:04,838 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 11:54:04,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 11:54:04,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 11:54:04,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 11:54:04,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 11:54:04,838 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-12-14 11:54:04,838 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-12-14 11:54:04,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 11:54:04,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 11:54:04,839 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-12-14 11:54:04,839 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-12-14 11:54:04,839 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-12-14 11:54:04,839 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-12-14 11:54:04,839 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-12-14 11:54:04,839 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-12-14 11:54:04,839 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-12-14 11:54:04,839 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-12-14 11:54:04,839 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2022-12-14 11:54:04,840 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2022-12-14 11:54:04,840 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2022-12-14 11:54:04,840 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2022-12-14 11:54:04,840 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 11:54:04,840 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 11:54:04,840 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-12-14 11:54:04,840 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-12-14 11:54:04,840 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2022-12-14 11:54:04,840 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2022-12-14 11:54:04,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 11:54:04,841 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2022-12-14 11:54:04,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2022-12-14 11:54:04,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 11:54:04,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 11:54:04,841 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-12-14 11:54:04,841 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-12-14 11:54:04,841 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-12-14 11:54:04,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-12-14 11:54:04,841 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2022-12-14 11:54:04,841 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2022-12-14 11:54:04,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 11:54:04,842 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-12-14 11:54:04,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-12-14 11:54:04,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 11:54:05,066 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 11:54:05,068 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 11:54:05,942 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 11:54:06,105 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 11:54:06,105 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 11:54:06,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:54:06 BoogieIcfgContainer [2022-12-14 11:54:06,108 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 11:54:06,110 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 11:54:06,110 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 11:54:06,113 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 11:54:06,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 11:54:02" (1/3) ... [2022-12-14 11:54:06,114 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d66fd55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 11:54:06, skipping insertion in model container [2022-12-14 11:54:06,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:54:04" (2/3) ... [2022-12-14 11:54:06,114 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d66fd55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 11:54:06, skipping insertion in model container [2022-12-14 11:54:06,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:54:06" (3/3) ... [2022-12-14 11:54:06,116 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_push_back_harness.i [2022-12-14 11:54:06,134 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 11:54:06,135 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 11:54:06,187 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 11:54:06,194 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;@25a61bc7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 11:54:06,194 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 11:54:06,199 INFO L276 IsEmpty]: Start isEmpty. Operand has 256 states, 132 states have (on average 1.196969696969697) internal successors, (158), 133 states have internal predecessors, (158), 101 states have call successors, (101), 21 states have call predecessors, (101), 21 states have return successors, (101), 101 states have call predecessors, (101), 101 states have call successors, (101) [2022-12-14 11:54:06,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-12-14 11:54:06,210 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:54:06,211 INFO L195 NwaCegarLoop]: trace histogram [11, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:54:06,211 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 11:54:06,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:54:06,216 INFO L85 PathProgramCache]: Analyzing trace with hash -748915046, now seen corresponding path program 1 times [2022-12-14 11:54:06,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:54:06,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141609660] [2022-12-14 11:54:06,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:54:06,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:54:06,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:54:06,736 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2022-12-14 11:54:06,737 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:54:06,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141609660] [2022-12-14 11:54:06,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141609660] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 11:54:06,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1075226553] [2022-12-14 11:54:06,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:54:06,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:54:06,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405d8761-4fb7-4b86-bb83-5f093f49b9d5/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:54:06,739 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405d8761-4fb7-4b86-bb83-5f093f49b9d5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:54:06,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405d8761-4fb7-4b86-bb83-5f093f49b9d5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 11:54:07,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:54:07,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 2224 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 11:54:07,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:54:07,207 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2022-12-14 11:54:07,207 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 11:54:07,207 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1075226553] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:54:07,207 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 11:54:07,207 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-12-14 11:54:07,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809943090] [2022-12-14 11:54:07,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:54:07,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 11:54:07,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:54:07,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 11:54:07,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-14 11:54:07,239 INFO L87 Difference]: Start difference. First operand has 256 states, 132 states have (on average 1.196969696969697) internal successors, (158), 133 states have internal predecessors, (158), 101 states have call successors, (101), 21 states have call predecessors, (101), 21 states have return successors, (101), 101 states have call predecessors, (101), 101 states have call successors, (101) Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-12-14 11:54:07,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:54:07,648 INFO L93 Difference]: Finished difference Result 491 states and 736 transitions. [2022-12-14 11:54:07,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 11:54:07,650 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 99 [2022-12-14 11:54:07,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:54:07,662 INFO L225 Difference]: With dead ends: 491 [2022-12-14 11:54:07,662 INFO L226 Difference]: Without dead ends: 256 [2022-12-14 11:54:07,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-12-14 11:54:07,669 INFO L413 NwaCegarLoop]: 301 mSDtfsCounter, 89 mSDsluCounter, 722 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 1023 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 11:54:07,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 1023 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 11:54:07,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2022-12-14 11:54:07,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 256. [2022-12-14 11:54:07,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 132 states have (on average 1.1893939393939394) internal successors, (157), 134 states have internal predecessors, (157), 101 states have call successors, (101), 21 states have call predecessors, (101), 22 states have return successors, (119), 100 states have call predecessors, (119), 100 states have call successors, (119) [2022-12-14 11:54:07,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 377 transitions. [2022-12-14 11:54:07,738 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 377 transitions. Word has length 99 [2022-12-14 11:54:07,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:54:07,739 INFO L495 AbstractCegarLoop]: Abstraction has 256 states and 377 transitions. [2022-12-14 11:54:07,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-12-14 11:54:07,739 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 377 transitions. [2022-12-14 11:54:07,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-12-14 11:54:07,743 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:54:07,744 INFO L195 NwaCegarLoop]: trace histogram [11, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:54:07,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405d8761-4fb7-4b86-bb83-5f093f49b9d5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 11:54:07,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405d8761-4fb7-4b86-bb83-5f093f49b9d5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-12-14 11:54:07,946 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 11:54:07,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:54:07,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1605921742, now seen corresponding path program 1 times [2022-12-14 11:54:07,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:54:07,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058517421] [2022-12-14 11:54:07,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:54:07,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:54:08,166 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 11:54:08,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1065423431] [2022-12-14 11:54:08,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:54:08,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:54:08,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405d8761-4fb7-4b86-bb83-5f093f49b9d5/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:54:08,168 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405d8761-4fb7-4b86-bb83-5f093f49b9d5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:54:08,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405d8761-4fb7-4b86-bb83-5f093f49b9d5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 11:54:08,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:54:08,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 2488 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 11:54:08,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:54:08,629 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2022-12-14 11:54:08,630 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 11:54:08,630 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:54:08,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058517421] [2022-12-14 11:54:08,630 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 11:54:08,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1065423431] [2022-12-14 11:54:08,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1065423431] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:54:08,630 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:54:08,630 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 11:54:08,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893781560] [2022-12-14 11:54:08,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:54:08,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 11:54:08,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:54:08,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 11:54:08,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 11:54:08,632 INFO L87 Difference]: Start difference. First operand 256 states and 377 transitions. Second operand has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2022-12-14 11:54:09,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:54:09,121 INFO L93 Difference]: Finished difference Result 471 states and 693 transitions. [2022-12-14 11:54:09,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 11:54:09,121 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) Word has length 117 [2022-12-14 11:54:09,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:54:09,123 INFO L225 Difference]: With dead ends: 471 [2022-12-14 11:54:09,123 INFO L226 Difference]: Without dead ends: 256 [2022-12-14 11:54:09,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-14 11:54:09,125 INFO L413 NwaCegarLoop]: 299 mSDtfsCounter, 156 mSDsluCounter, 896 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 1195 SdHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 11:54:09,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 1195 Invalid, 440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 11:54:09,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2022-12-14 11:54:09,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 256. [2022-12-14 11:54:09,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 132 states have (on average 1.1893939393939394) internal successors, (157), 134 states have internal predecessors, (157), 101 states have call successors, (101), 21 states have call predecessors, (101), 22 states have return successors, (116), 100 states have call predecessors, (116), 100 states have call successors, (116) [2022-12-14 11:54:09,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 374 transitions. [2022-12-14 11:54:09,143 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 374 transitions. Word has length 117 [2022-12-14 11:54:09,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:54:09,144 INFO L495 AbstractCegarLoop]: Abstraction has 256 states and 374 transitions. [2022-12-14 11:54:09,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2022-12-14 11:54:09,144 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 374 transitions. [2022-12-14 11:54:09,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-12-14 11:54:09,145 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:54:09,146 INFO L195 NwaCegarLoop]: trace histogram [11, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:54:09,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405d8761-4fb7-4b86-bb83-5f093f49b9d5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 11:54:09,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405d8761-4fb7-4b86-bb83-5f093f49b9d5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:54:09,347 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 11:54:09,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:54:09,349 INFO L85 PathProgramCache]: Analyzing trace with hash 1121407713, now seen corresponding path program 2 times [2022-12-14 11:54:09,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:54:09,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790327824] [2022-12-14 11:54:09,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:54:09,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:54:09,528 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 11:54:09,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [931443450] [2022-12-14 11:54:09,529 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 11:54:09,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:54:09,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405d8761-4fb7-4b86-bb83-5f093f49b9d5/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:54:09,530 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405d8761-4fb7-4b86-bb83-5f093f49b9d5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:54:09,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405d8761-4fb7-4b86-bb83-5f093f49b9d5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 11:54:10,087 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-12-14 11:54:10,087 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 11:54:10,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 1839 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-14 11:54:10,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:54:10,121 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-12-14 11:54:10,121 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 11:54:10,122 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:54:10,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790327824] [2022-12-14 11:54:10,122 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 11:54:10,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [931443450] [2022-12-14 11:54:10,122 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [931443450] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:54:10,122 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:54:10,122 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 11:54:10,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474879712] [2022-12-14 11:54:10,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:54:10,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 11:54:10,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:54:10,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 11:54:10,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 11:54:10,123 INFO L87 Difference]: Start difference. First operand 256 states and 374 transitions. Second operand has 5 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-12-14 11:54:10,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:54:10,513 INFO L93 Difference]: Finished difference Result 467 states and 684 transitions. [2022-12-14 11:54:10,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 11:54:10,514 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 126 [2022-12-14 11:54:10,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:54:10,517 INFO L225 Difference]: With dead ends: 467 [2022-12-14 11:54:10,517 INFO L226 Difference]: Without dead ends: 256 [2022-12-14 11:54:10,518 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 11:54:10,519 INFO L413 NwaCegarLoop]: 305 mSDtfsCounter, 0 mSDsluCounter, 870 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1175 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 11:54:10,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1175 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 11:54:10,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2022-12-14 11:54:10,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 256. [2022-12-14 11:54:10,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 132 states have (on average 1.1893939393939394) internal successors, (157), 134 states have internal predecessors, (157), 101 states have call successors, (101), 21 states have call predecessors, (101), 22 states have return successors, (115), 100 states have call predecessors, (115), 100 states have call successors, (115) [2022-12-14 11:54:10,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 373 transitions. [2022-12-14 11:54:10,544 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 373 transitions. Word has length 126 [2022-12-14 11:54:10,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:54:10,544 INFO L495 AbstractCegarLoop]: Abstraction has 256 states and 373 transitions. [2022-12-14 11:54:10,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-12-14 11:54:10,545 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 373 transitions. [2022-12-14 11:54:10,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-12-14 11:54:10,547 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:54:10,547 INFO L195 NwaCegarLoop]: trace histogram [11, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:54:10,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405d8761-4fb7-4b86-bb83-5f093f49b9d5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 11:54:10,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405d8761-4fb7-4b86-bb83-5f093f49b9d5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:54:10,747 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 11:54:10,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:54:10,748 INFO L85 PathProgramCache]: Analyzing trace with hash 134184218, now seen corresponding path program 3 times [2022-12-14 11:54:10,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:54:10,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190490562] [2022-12-14 11:54:10,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:54:10,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:54:10,829 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 11:54:10,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [502252627] [2022-12-14 11:54:10,830 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-14 11:54:10,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:54:10,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405d8761-4fb7-4b86-bb83-5f093f49b9d5/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:54:10,831 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405d8761-4fb7-4b86-bb83-5f093f49b9d5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:54:10,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405d8761-4fb7-4b86-bb83-5f093f49b9d5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 11:54:11,215 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-14 11:54:11,215 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 11:54:11,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 2752 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-14 11:54:11,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:54:11,308 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2022-12-14 11:54:11,308 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 11:54:11,308 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:54:11,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190490562] [2022-12-14 11:54:11,308 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 11:54:11,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [502252627] [2022-12-14 11:54:11,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [502252627] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 11:54:11,309 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 11:54:11,309 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 11:54:11,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64618317] [2022-12-14 11:54:11,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 11:54:11,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 11:54:11,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 11:54:11,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 11:54:11,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-12-14 11:54:11,310 INFO L87 Difference]: Start difference. First operand 256 states and 373 transitions. Second operand has 8 states, 8 states have (on average 5.125) internal successors, (41), 7 states have internal predecessors, (41), 5 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (23), 5 states have call predecessors, (23), 4 states have call successors, (23) [2022-12-14 11:54:11,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 11:54:11,844 INFO L93 Difference]: Finished difference Result 476 states and 694 transitions. [2022-12-14 11:54:11,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 11:54:11,845 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 7 states have internal predecessors, (41), 5 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (23), 5 states have call predecessors, (23), 4 states have call successors, (23) Word has length 135 [2022-12-14 11:54:11,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 11:54:11,848 INFO L225 Difference]: With dead ends: 476 [2022-12-14 11:54:11,848 INFO L226 Difference]: Without dead ends: 266 [2022-12-14 11:54:11,849 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-12-14 11:54:11,850 INFO L413 NwaCegarLoop]: 300 mSDtfsCounter, 159 mSDsluCounter, 1470 mSDsCounter, 0 mSdLazyCounter, 459 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 1770 SdHoareTripleChecker+Invalid, 605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-14 11:54:11,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 1770 Invalid, 605 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 459 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-14 11:54:11,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2022-12-14 11:54:11,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2022-12-14 11:54:11,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 136 states have (on average 1.1838235294117647) internal successors, (161), 138 states have internal predecessors, (161), 106 states have call successors, (106), 22 states have call predecessors, (106), 23 states have return successors, (120), 105 states have call predecessors, (120), 105 states have call successors, (120) [2022-12-14 11:54:11,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 387 transitions. [2022-12-14 11:54:11,870 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 387 transitions. Word has length 135 [2022-12-14 11:54:11,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 11:54:11,870 INFO L495 AbstractCegarLoop]: Abstraction has 266 states and 387 transitions. [2022-12-14 11:54:11,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 7 states have internal predecessors, (41), 5 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (23), 5 states have call predecessors, (23), 4 states have call successors, (23) [2022-12-14 11:54:11,870 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 387 transitions. [2022-12-14 11:54:11,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-12-14 11:54:11,872 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 11:54:11,872 INFO L195 NwaCegarLoop]: trace histogram [11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 11:54:11,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405d8761-4fb7-4b86-bb83-5f093f49b9d5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 11:54:12,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405d8761-4fb7-4b86-bb83-5f093f49b9d5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-12-14 11:54:12,073 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 11:54:12,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 11:54:12,073 INFO L85 PathProgramCache]: Analyzing trace with hash 667242439, now seen corresponding path program 1 times [2022-12-14 11:54:12,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 11:54:12,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218472083] [2022-12-14 11:54:12,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:54:12,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 11:54:12,148 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 11:54:12,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1316859803] [2022-12-14 11:54:12,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 11:54:12,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 11:54:12,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405d8761-4fb7-4b86-bb83-5f093f49b9d5/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:54:12,149 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405d8761-4fb7-4b86-bb83-5f093f49b9d5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 11:54:12,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_405d8761-4fb7-4b86-bb83-5f093f49b9d5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 11:54:12,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 11:54:12,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 2884 conjuncts, 56 conjunts are in the unsatisfiable core [2022-12-14 11:54:12,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 11:54:12,820 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 122 proven. 6 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-12-14 11:54:12,820 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 11:54:13,188 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2022-12-14 11:54:13,188 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 11:54:13,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218472083] [2022-12-14 11:54:13,189 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 11:54:13,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1316859803] [2022-12-14 11:54:13,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1316859803] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 11:54:13,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [912177191] [2022-12-14 11:54:13,207 INFO L159 IcfgInterpreter]: Started Sifa with 73 locations of interest [2022-12-14 11:54:13,207 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 11:54:13,210 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 11:54:13,213 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 11:54:13,214 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 11:54:15,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:15,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:16,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:16,185 INFO L217 Elim1Store]: Index analysis took 281 ms [2022-12-14 11:54:34,912 WARN L233 SmtUtils]: Spent 18.67s on a formula simplification. DAG size of input: 2128 DAG size of output: 1161 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 11:54:34,916 INFO L321 Elim1Store]: treesize reduction 3474, result has 33.3 percent of original size [2022-12-14 11:54:34,919 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 198 select indices, 198 select index equivalence classes, 19310 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 386 case distinctions, treesize of input 997 treesize of output 2357 [2022-12-14 11:54:38,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:38,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:38,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:54:38,228 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 196 select indices, 196 select index equivalence classes, 19307 disjoint index pairs (out of 19110 index pairs), introduced 196 new quantified variables, introduced 0 case distinctions, treesize of input 987 treesize of output 1574 [2022-12-14 11:55:41,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:41,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:41,627 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2022-12-14 11:55:41,632 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 11:55:41,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:41,639 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2022-12-14 11:55:41,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:41,646 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2022-12-14 11:55:44,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:44,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:44,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:44,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:44,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:44,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:44,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:44,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:44,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:44,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:44,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:44,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:44,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:44,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:44,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:44,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:44,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:44,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:44,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:44,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:44,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:44,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:44,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:44,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:44,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:44,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:44,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:44,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:44,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:44,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:44,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:44,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:44,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:44,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:44,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:44,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:44,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:44,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:44,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:44,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:44,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:44,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:44,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:44,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:44,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:44,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:44,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:44,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:44,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:44,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:44,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:44,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:44,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:44,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:44,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:44,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:44,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:44,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:44,498 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:55:44,498 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 55 select indices, 55 select index equivalence classes, 1245 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 4 case distinctions, treesize of input 644 treesize of output 304 [2022-12-14 11:55:44,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:44,815 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-12-14 11:55:44,818 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19501 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 2 case distinctions, treesize of input 991 treesize of output 595 [2022-12-14 11:55:45,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:45,231 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-12-14 11:55:45,234 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19305 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 2 case distinctions, treesize of input 986 treesize of output 592 [2022-12-14 11:55:45,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:45,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:45,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:45,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:45,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:45,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:45,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:45,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:45,740 INFO L217 Elim1Store]: Index analysis took 119 ms [2022-12-14 11:55:45,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:45,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:45,754 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:45,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:45,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:45,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:45,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:45,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:45,773 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:45,828 INFO L321 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-12-14 11:55:45,834 INFO L350 Elim1Store]: Elim1 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 18 case distinctions, treesize of input 1752 treesize of output 594 [2022-12-14 11:55:46,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:46,322 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 195 select indices, 195 select index equivalence classes, 17052 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 [2022-12-14 11:55:55,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,415 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-12-14 11:55:55,418 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19501 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 2 case distinctions, treesize of input 991 treesize of output 595 [2022-12-14 11:55:55,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,728 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:55:55,729 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 55 select indices, 55 select index equivalence classes, 1245 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 4 case distinctions, treesize of input 644 treesize of output 304 [2022-12-14 11:55:55,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:55,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,085 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:56,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,098 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:55:56,142 INFO L321 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-12-14 11:55:56,144 INFO L350 Elim1Store]: Elim1 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 18 case distinctions, treesize of input 1752 treesize of output 594 [2022-12-14 11:55:56,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,609 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 195 select indices, 195 select index equivalence classes, 17052 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 [2022-12-14 11:55:56,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:56,979 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19309 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 0 case distinctions, treesize of input 986 treesize of output 592 [2022-12-14 11:55:58,055 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 11:55:58,060 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 11:55:58,080 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 11:55:58,083 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 11:55:58,106 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 11:55:58,110 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 11:55:58,116 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 11:55:58,122 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 11:55:58,156 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:55:58,157 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2022-12-14 11:55:58,167 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 11:55:58,171 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 11:55:58,212 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:55:58,213 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2022-12-14 11:55:58,220 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 11:55:58,226 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 11:55:58,260 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 11:55:59,106 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 197 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-12-14 11:55:59,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:59,194 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 197 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 30 [2022-12-14 11:55:59,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:55:59,223 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 197 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 24 [2022-12-14 11:56:00,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:56:00,028 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 197 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 30 [2022-12-14 11:56:00,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:56:00,065 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 197 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 24 [2022-12-14 11:56:00,134 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 197 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-12-14 11:56:01,280 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-14 11:56:01,280 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2022-12-14 11:56:01,312 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-12-14 11:56:01,312 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 3 case distinctions, treesize of input 24 treesize of output 21 [2022-12-14 11:56:01,496 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 11 treesize of output 7 [2022-12-14 11:56:01,507 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 11 treesize of output 7 [2022-12-14 11:56:01,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:56:01,521 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:56:01,521 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:56:01,522 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:56:01,528 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-12-14 11:56:01,528 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 81 treesize of output 33 [2022-12-14 11:56:01,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:56:01,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:56:01,545 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:56:01,551 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-12-14 11:56:01,551 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 38 [2022-12-14 11:56:01,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:56:01,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:56:01,564 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:56:01,569 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-12-14 11:56:01,569 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 64 treesize of output 32 [2022-12-14 11:56:01,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:56:01,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:56:01,653 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:56:01,659 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-12-14 11:56:01,659 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 38 [2022-12-14 11:56:01,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:56:01,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:56:01,672 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:56:01,678 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-12-14 11:56:01,678 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 64 treesize of output 32 [2022-12-14 11:56:01,755 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 11 treesize of output 7 [2022-12-14 11:56:01,766 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 11 treesize of output 7 [2022-12-14 11:56:01,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:56:01,778 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:56:01,778 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:56:01,778 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 11:56:01,784 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-12-14 11:56:01,784 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 81 treesize of output 33 [2022-12-14 11:56:19,128 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_valid with input of size 76 for LOIs [2022-12-14 11:56:19,160 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 11:56:19,179 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 11:56:19,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:56:19,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:56:19,260 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:56:19,260 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 10 [2022-12-14 11:56:19,268 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 11:56:19,275 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 11:56:19,362 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 11:56:19,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:56:19,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 11:56:19,375 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 11:56:19,375 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 10 [2022-12-14 11:56:19,389 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 11:56:19,559 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 11:56:19,696 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_bounded with input of size 2820 for LOIs [2022-12-14 11:56:22,960 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 94 for LOIs [2022-12-14 11:56:23,173 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 80 for LOIs [2022-12-14 11:56:23,188 INFO L197 IcfgInterpreter]: Interpreting procedure ensure_array_list_has_allocated_data_member with input of size 2866 for LOIs [2022-12-14 11:58:06,496 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_allocator with input of size 2864 for LOIs [2022-12-14 11:58:13,170 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 70 for LOIs [2022-12-14 11:58:13,178 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_malloc with input of size 88 for LOIs [2022-12-14 11:58:13,259 INFO L197 IcfgInterpreter]: Interpreting procedure nondet_bool with input of size 82 for LOIs [2022-12-14 11:58:13,269 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 12:00:10,241 WARN L233 SmtUtils]: Spent 1.94m on a formula simplification. DAG size of input: 2815 DAG size of output: 2431 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 12:02:07,975 WARN L233 SmtUtils]: Spent 1.94m on a formula simplification. DAG size of input: 2820 DAG size of output: 2436 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 12:04:33,339 WARN L233 SmtUtils]: Spent 2.40m on a formula simplification. DAG size of input: 2862 DAG size of output: 2478 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 12:07:51,391 WARN L233 SmtUtils]: Spent 3.28m on a formula simplification. DAG size of input: 2855 DAG size of output: 2462 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)