./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_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_e22ca961-7c0b-43f7-a12d-b4e0c95fc989/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22ca961-7c0b-43f7-a12d-b4e0c95fc989/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_e22ca961-7c0b-43f7-a12d-b4e0c95fc989/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22ca961-7c0b-43f7-a12d-b4e0c95fc989/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22ca961-7c0b-43f7-a12d-b4e0c95fc989/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_e22ca961-7c0b-43f7-a12d-b4e0c95fc989/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 d8b9169d0d63d8238da177db4999afabb0efa6e97e1e7cd257e8474f76788f17 --- 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 08:53:07,047 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 08:53:07,049 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 08:53:07,067 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 08:53:07,068 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 08:53:07,069 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 08:53:07,070 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 08:53:07,072 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 08:53:07,073 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 08:53:07,074 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 08:53:07,075 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 08:53:07,076 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 08:53:07,077 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 08:53:07,078 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 08:53:07,079 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 08:53:07,080 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 08:53:07,081 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 08:53:07,082 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 08:53:07,083 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 08:53:07,085 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 08:53:07,087 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 08:53:07,088 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 08:53:07,089 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 08:53:07,090 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 08:53:07,094 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 08:53:07,094 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 08:53:07,094 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 08:53:07,095 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 08:53:07,096 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 08:53:07,097 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 08:53:07,097 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 08:53:07,098 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 08:53:07,098 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 08:53:07,099 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 08:53:07,100 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 08:53:07,100 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 08:53:07,101 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 08:53:07,101 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 08:53:07,101 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 08:53:07,102 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 08:53:07,103 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 08:53:07,103 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22ca961-7c0b-43f7-a12d-b4e0c95fc989/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 08:53:07,125 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 08:53:07,125 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 08:53:07,126 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 08:53:07,126 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 08:53:07,126 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 08:53:07,127 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 08:53:07,127 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 08:53:07,127 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 08:53:07,127 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 08:53:07,127 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 08:53:07,128 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 08:53:07,128 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 08:53:07,128 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 08:53:07,128 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 08:53:07,128 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 08:53:07,129 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 08:53:07,129 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 08:53:07,129 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 08:53:07,130 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 08:53:07,130 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 08:53:07,130 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 08:53:07,130 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 08:53:07,130 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 08:53:07,131 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 08:53:07,131 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 08:53:07,131 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 08:53:07,131 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 08:53:07,131 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 08:53:07,131 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 08:53:07,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:53:07,132 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 08:53:07,132 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 08:53:07,132 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 08:53:07,132 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 08:53:07,133 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 08:53:07,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 08:53:07,133 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 08:53:07,133 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 08:53:07,133 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_e22ca961-7c0b-43f7-a12d-b4e0c95fc989/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22ca961-7c0b-43f7-a12d-b4e0c95fc989/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8b9169d0d63d8238da177db4999afabb0efa6e97e1e7cd257e8474f76788f17 [2022-12-14 08:53:07,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 08:53:07,342 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 08:53:07,344 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 08:53:07,345 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 08:53:07,345 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 08:53:07,346 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22ca961-7c0b-43f7-a12d-b4e0c95fc989/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i [2022-12-14 08:53:09,936 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 08:53:10,315 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 08:53:10,315 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22ca961-7c0b-43f7-a12d-b4e0c95fc989/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i [2022-12-14 08:53:10,334 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22ca961-7c0b-43f7-a12d-b4e0c95fc989/bin/utaipan-gh47qXpMRh/data/39627eb2e/155e4feddf854430849f00d14aaf46a5/FLAG1d8dde0f0 [2022-12-14 08:53:10,344 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22ca961-7c0b-43f7-a12d-b4e0c95fc989/bin/utaipan-gh47qXpMRh/data/39627eb2e/155e4feddf854430849f00d14aaf46a5 [2022-12-14 08:53:10,346 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 08:53:10,347 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 08:53:10,348 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 08:53:10,348 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 08:53:10,351 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 08:53:10,352 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:53:10" (1/1) ... [2022-12-14 08:53:10,353 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14257742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:53:10, skipping insertion in model container [2022-12-14 08:53:10,353 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:53:10" (1/1) ... [2022-12-14 08:53:10,358 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 08:53:10,421 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 08:53:10,596 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_e22ca961-7c0b-43f7-a12d-b4e0c95fc989/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i[4497,4510] [2022-12-14 08:53:10,602 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_e22ca961-7c0b-43f7-a12d-b4e0c95fc989/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i[4557,4570] [2022-12-14 08:53:11,273 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 08:53:11,277 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:11,278 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:11,278 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:11,279 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:11,279 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:11,282 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 08:53:11,290 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:11,290 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 08:53:11,291 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:11,292 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:11,293 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:11,294 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:11,295 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 08:53:11,295 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:11,295 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:11,296 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:11,373 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 08:53:11,373 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 08:53:11,374 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 08:53:11,380 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 08:53:11,383 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 08:53:11,383 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 08:53:11,688 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 08:53:11,689 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 08:53:11,690 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 08:53:11,698 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 08:53:11,699 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 08:53:11,700 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 08:53:11,701 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 08:53:11,701 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 08:53:11,702 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 08:53:11,702 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 08:53:11,703 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 08:53:11,820 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 08:53:11,839 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:11,840 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 08:53:11,842 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 08:53:11,843 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 08:53:11,844 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:11,845 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 08:53:11,848 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 08:53:11,849 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 08:53:11,849 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 08:53:11,849 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 08:53:11,850 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 08:53:11,850 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 08:53:11,878 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 08:53:11,890 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:11,891 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:11,891 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:11,891 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:11,891 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:11,892 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:11,892 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:11,892 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 08:53:11,893 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:11,893 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:11,893 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:11,894 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:11,894 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:11,894 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:11,896 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:11,897 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:11,897 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:11,897 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:11,900 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:11,900 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:11,905 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:11,906 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:11,906 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:11,916 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:53:11,936 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 08:53:11,945 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_e22ca961-7c0b-43f7-a12d-b4e0c95fc989/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i[4497,4510] [2022-12-14 08:53:11,946 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_e22ca961-7c0b-43f7-a12d-b4e0c95fc989/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i[4557,4570] [2022-12-14 08:53:11,973 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 08:53:11,975 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:11,975 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:11,976 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:11,976 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:11,977 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:11,978 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 08:53:11,983 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:11,984 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 08:53:11,984 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:11,986 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:11,986 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:11,987 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:11,988 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 08:53:11,988 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:11,989 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:11,989 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:11,996 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 08:53:11,996 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 08:53:11,997 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 08:53:12,000 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 08:53:12,003 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 08:53:12,003 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 08:53:12,025 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 08:53:12,026 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 08:53:12,026 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 08:53:12,027 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 08:53:12,028 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 08:53:12,029 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 08:53:12,030 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 08:53:12,030 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 08:53:12,031 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 08:53:12,031 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 08:53:12,031 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 08:53:12,051 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 08:53:12,067 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:12,068 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 08:53:12,069 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 08:53:12,070 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 08:53:12,071 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:12,073 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 08:53:12,074 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 08:53:12,075 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 08:53:12,075 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 08:53:12,075 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 08:53:12,075 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 08:53:12,076 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 08:53:12,094 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 08:53:12,099 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:12,099 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:12,100 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:12,100 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:12,100 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:12,101 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:12,101 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:12,101 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 08:53:12,102 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:12,102 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:12,102 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:12,103 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:12,103 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:12,103 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:12,104 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:12,104 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:12,104 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:12,104 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:12,106 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:12,106 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:12,112 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:12,113 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:12,114 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:53:12,120 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:53:12,281 INFO L208 MainTranslator]: Completed translation [2022-12-14 08:53:12,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:53:12 WrapperNode [2022-12-14 08:53:12,282 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 08:53:12,283 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 08:53:12,283 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 08:53:12,283 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 08:53:12,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:53:12" (1/1) ... [2022-12-14 08:53:12,349 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:53:12" (1/1) ... [2022-12-14 08:53:12,419 INFO L138 Inliner]: procedures = 697, calls = 1878, calls flagged for inlining = 60, calls inlined = 19, statements flattened = 1162 [2022-12-14 08:53:12,420 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 08:53:12,420 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 08:53:12,420 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 08:53:12,420 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 08:53:12,429 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:53:12" (1/1) ... [2022-12-14 08:53:12,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:53:12" (1/1) ... [2022-12-14 08:53:12,439 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:53:12" (1/1) ... [2022-12-14 08:53:12,439 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:53:12" (1/1) ... [2022-12-14 08:53:12,475 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:53:12" (1/1) ... [2022-12-14 08:53:12,481 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:53:12" (1/1) ... [2022-12-14 08:53:12,491 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:53:12" (1/1) ... [2022-12-14 08:53:12,497 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:53:12" (1/1) ... [2022-12-14 08:53:12,508 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 08:53:12,509 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 08:53:12,509 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 08:53:12,509 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 08:53:12,510 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:53:12" (1/1) ... [2022-12-14 08:53:12,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:53:12,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22ca961-7c0b-43f7-a12d-b4e0c95fc989/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:53:12,532 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22ca961-7c0b-43f7-a12d-b4e0c95fc989/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 08:53:12,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22ca961-7c0b-43f7-a12d-b4e0c95fc989/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 08:53:12,565 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2022-12-14 08:53:12,565 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2022-12-14 08:53:12,565 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_init_dynamic [2022-12-14 08:53:12,566 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_init_dynamic [2022-12-14 08:53:12,566 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2022-12-14 08:53:12,566 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2022-12-14 08:53:12,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 08:53:12,566 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-12-14 08:53:12,566 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-12-14 08:53:12,566 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-12-14 08:53:12,566 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-12-14 08:53:12,566 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-12-14 08:53:12,566 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-12-14 08:53:12,566 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2022-12-14 08:53:12,567 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2022-12-14 08:53:12,567 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2022-12-14 08:53:12,567 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2022-12-14 08:53:12,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 08:53:12,567 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-12-14 08:53:12,567 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-12-14 08:53:12,567 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 08:53:12,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 08:53:12,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 08:53:12,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 08:53:12,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 08:53:12,568 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2022-12-14 08:53:12,568 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2022-12-14 08:53:12,568 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-12-14 08:53:12,568 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-12-14 08:53:12,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 08:53:12,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 08:53:12,568 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-12-14 08:53:12,568 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-12-14 08:53:12,568 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-12-14 08:53:12,568 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-12-14 08:53:12,568 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-12-14 08:53:12,568 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-12-14 08:53:12,568 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2022-12-14 08:53:12,568 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2022-12-14 08:53:12,569 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2022-12-14 08:53:12,569 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2022-12-14 08:53:12,569 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2022-12-14 08:53:12,569 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2022-12-14 08:53:12,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 08:53:12,569 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 08:53:12,569 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 08:53:12,569 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 08:53:12,569 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-12-14 08:53:12,569 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-12-14 08:53:12,569 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2022-12-14 08:53:12,569 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2022-12-14 08:53:12,569 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2022-12-14 08:53:12,570 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2022-12-14 08:53:12,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 08:53:12,570 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2022-12-14 08:53:12,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2022-12-14 08:53:12,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 08:53:12,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 08:53:12,570 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2022-12-14 08:53:12,570 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2022-12-14 08:53:12,570 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-12-14 08:53:12,570 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-12-14 08:53:12,570 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-12-14 08:53:12,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-12-14 08:53:12,571 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2022-12-14 08:53:12,571 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2022-12-14 08:53:12,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 08:53:12,571 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-12-14 08:53:12,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-12-14 08:53:12,571 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_set_at [2022-12-14 08:53:12,571 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_set_at [2022-12-14 08:53:12,571 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2022-12-14 08:53:12,571 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2022-12-14 08:53:12,571 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-14 08:53:12,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-14 08:53:12,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 08:53:12,884 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 08:53:12,886 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 08:53:14,079 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 08:53:14,269 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 08:53:14,270 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-12-14 08:53:14,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:53:14 BoogieIcfgContainer [2022-12-14 08:53:14,273 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 08:53:14,274 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 08:53:14,275 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 08:53:14,277 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 08:53:14,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 08:53:10" (1/3) ... [2022-12-14 08:53:14,278 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@304204dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:53:14, skipping insertion in model container [2022-12-14 08:53:14,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:53:12" (2/3) ... [2022-12-14 08:53:14,278 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@304204dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:53:14, skipping insertion in model container [2022-12-14 08:53:14,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:53:14" (3/3) ... [2022-12-14 08:53:14,279 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_push_harness.i [2022-12-14 08:53:14,293 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 08:53:14,294 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 08:53:14,341 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 08:53:14,346 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;@25a77180, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 08:53:14,347 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 08:53:14,351 INFO L276 IsEmpty]: Start isEmpty. Operand has 463 states, 233 states have (on average 1.201716738197425) internal successors, (280), 236 states have internal predecessors, (280), 196 states have call successors, (196), 32 states have call predecessors, (196), 32 states have return successors, (196), 196 states have call predecessors, (196), 196 states have call successors, (196) [2022-12-14 08:53:14,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-12-14 08:53:14,362 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:53:14,363 INFO L195 NwaCegarLoop]: trace histogram [13, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:53:14,364 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:53:14,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:53:14,368 INFO L85 PathProgramCache]: Analyzing trace with hash 648431046, now seen corresponding path program 1 times [2022-12-14 08:53:14,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:53:14,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555422330] [2022-12-14 08:53:14,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:53:14,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:53:14,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:53:15,042 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2022-12-14 08:53:15,043 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:53:15,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555422330] [2022-12-14 08:53:15,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555422330] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 08:53:15,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [718105962] [2022-12-14 08:53:15,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:53:15,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:53:15,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22ca961-7c0b-43f7-a12d-b4e0c95fc989/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:53:15,045 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22ca961-7c0b-43f7-a12d-b4e0c95fc989/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:53:15,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22ca961-7c0b-43f7-a12d-b4e0c95fc989/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 08:53:15,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:53:15,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 2394 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 08:53:15,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:53:15,628 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-12-14 08:53:15,628 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 08:53:15,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [718105962] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:53:15,629 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 08:53:15,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-12-14 08:53:15,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849460410] [2022-12-14 08:53:15,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:53:15,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 08:53:15,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:53:15,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 08:53:15,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-14 08:53:15,658 INFO L87 Difference]: Start difference. First operand has 463 states, 233 states have (on average 1.201716738197425) internal successors, (280), 236 states have internal predecessors, (280), 196 states have call successors, (196), 32 states have call predecessors, (196), 32 states have return successors, (196), 196 states have call predecessors, (196), 196 states have call successors, (196) Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-12-14 08:53:16,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:53:16,267 INFO L93 Difference]: Finished difference Result 899 states and 1372 transitions. [2022-12-14 08:53:16,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 08:53:16,269 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 125 [2022-12-14 08:53:16,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:53:16,279 INFO L225 Difference]: With dead ends: 899 [2022-12-14 08:53:16,279 INFO L226 Difference]: Without dead ends: 462 [2022-12-14 08:53:16,286 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 123 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 08:53:16,288 INFO L413 NwaCegarLoop]: 601 mSDtfsCounter, 54 mSDsluCounter, 1690 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 2291 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-14 08:53:16,289 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 2291 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-14 08:53:16,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2022-12-14 08:53:16,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 462. [2022-12-14 08:53:16,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 232 states have (on average 1.1896551724137931) internal successors, (276), 235 states have internal predecessors, (276), 196 states have call successors, (196), 32 states have call predecessors, (196), 32 states have return successors, (204), 194 states have call predecessors, (204), 194 states have call successors, (204) [2022-12-14 08:53:16,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 676 transitions. [2022-12-14 08:53:16,369 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 676 transitions. Word has length 125 [2022-12-14 08:53:16,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:53:16,370 INFO L495 AbstractCegarLoop]: Abstraction has 462 states and 676 transitions. [2022-12-14 08:53:16,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-12-14 08:53:16,370 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 676 transitions. [2022-12-14 08:53:16,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-12-14 08:53:16,374 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:53:16,375 INFO L195 NwaCegarLoop]: trace histogram [13, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:53:16,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22ca961-7c0b-43f7-a12d-b4e0c95fc989/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 08:53:16,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22ca961-7c0b-43f7-a12d-b4e0c95fc989/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-12-14 08:53:16,577 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:53:16,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:53:16,579 INFO L85 PathProgramCache]: Analyzing trace with hash -1564496203, now seen corresponding path program 1 times [2022-12-14 08:53:16,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:53:16,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204757525] [2022-12-14 08:53:16,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:53:16,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:53:16,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:53:17,191 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2022-12-14 08:53:17,192 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:53:17,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204757525] [2022-12-14 08:53:17,192 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204757525] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 08:53:17,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [175660926] [2022-12-14 08:53:17,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:53:17,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:53:17,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22ca961-7c0b-43f7-a12d-b4e0c95fc989/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:53:17,194 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22ca961-7c0b-43f7-a12d-b4e0c95fc989/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:53:17,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22ca961-7c0b-43f7-a12d-b4e0c95fc989/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 08:53:17,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:53:17,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 2444 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 08:53:17,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:53:17,697 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-12-14 08:53:17,698 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 08:53:17,698 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [175660926] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:53:17,698 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 08:53:17,698 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2022-12-14 08:53:17,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67905511] [2022-12-14 08:53:17,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:53:17,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 08:53:17,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:53:17,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 08:53:17,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2022-12-14 08:53:17,702 INFO L87 Difference]: Start difference. First operand 462 states and 676 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2022-12-14 08:53:18,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:53:18,590 INFO L93 Difference]: Finished difference Result 909 states and 1372 transitions. [2022-12-14 08:53:18,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 08:53:18,590 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) Word has length 133 [2022-12-14 08:53:18,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:53:18,596 INFO L225 Difference]: With dead ends: 909 [2022-12-14 08:53:18,596 INFO L226 Difference]: Without dead ends: 475 [2022-12-14 08:53:18,598 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2022-12-14 08:53:18,600 INFO L413 NwaCegarLoop]: 568 mSDtfsCounter, 73 mSDsluCounter, 2662 mSDsCounter, 0 mSdLazyCounter, 655 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 3230 SdHoareTripleChecker+Invalid, 663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 655 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 08:53:18,600 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 3230 Invalid, 663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 655 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 08:53:18,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2022-12-14 08:53:18,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 473. [2022-12-14 08:53:18,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 240 states have (on average 1.1916666666666667) internal successors, (286), 243 states have internal predecessors, (286), 198 states have call successors, (198), 32 states have call predecessors, (198), 33 states have return successors, (238), 197 states have call predecessors, (238), 196 states have call successors, (238) [2022-12-14 08:53:18,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 722 transitions. [2022-12-14 08:53:18,644 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 722 transitions. Word has length 133 [2022-12-14 08:53:18,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:53:18,645 INFO L495 AbstractCegarLoop]: Abstraction has 473 states and 722 transitions. [2022-12-14 08:53:18,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2022-12-14 08:53:18,645 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 722 transitions. [2022-12-14 08:53:18,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-12-14 08:53:18,648 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:53:18,648 INFO L195 NwaCegarLoop]: trace histogram [13, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:53:18,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22ca961-7c0b-43f7-a12d-b4e0c95fc989/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 08:53:18,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22ca961-7c0b-43f7-a12d-b4e0c95fc989/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:53:18,850 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:53:18,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:53:18,852 INFO L85 PathProgramCache]: Analyzing trace with hash -912872476, now seen corresponding path program 1 times [2022-12-14 08:53:18,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:53:18,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509783216] [2022-12-14 08:53:18,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:53:18,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:53:19,043 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 08:53:19,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1565284123] [2022-12-14 08:53:19,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:53:19,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:53:19,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22ca961-7c0b-43f7-a12d-b4e0c95fc989/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:53:19,045 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22ca961-7c0b-43f7-a12d-b4e0c95fc989/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:53:19,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22ca961-7c0b-43f7-a12d-b4e0c95fc989/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 08:53:19,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:53:19,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 2576 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 08:53:19,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:53:19,534 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-12-14 08:53:19,534 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 08:53:19,534 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:53:19,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509783216] [2022-12-14 08:53:19,534 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 08:53:19,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1565284123] [2022-12-14 08:53:19,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1565284123] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:53:19,535 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:53:19,535 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 08:53:19,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821154597] [2022-12-14 08:53:19,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:53:19,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 08:53:19,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:53:19,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 08:53:19,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 08:53:19,537 INFO L87 Difference]: Start difference. First operand 473 states and 722 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2022-12-14 08:53:20,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:53:20,049 INFO L93 Difference]: Finished difference Result 926 states and 1442 transitions. [2022-12-14 08:53:20,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 08:53:20,049 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 142 [2022-12-14 08:53:20,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:53:20,053 INFO L225 Difference]: With dead ends: 926 [2022-12-14 08:53:20,053 INFO L226 Difference]: Without dead ends: 481 [2022-12-14 08:53:20,055 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-12-14 08:53:20,056 INFO L413 NwaCegarLoop]: 599 mSDtfsCounter, 65 mSDsluCounter, 2253 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 2852 SdHoareTripleChecker+Invalid, 407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 08:53:20,056 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 2852 Invalid, 407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 08:53:20,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2022-12-14 08:53:20,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 473. [2022-12-14 08:53:20,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 240 states have (on average 1.1916666666666667) internal successors, (286), 243 states have internal predecessors, (286), 198 states have call successors, (198), 32 states have call predecessors, (198), 33 states have return successors, (238), 197 states have call predecessors, (238), 196 states have call successors, (238) [2022-12-14 08:53:20,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 722 transitions. [2022-12-14 08:53:20,085 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 722 transitions. Word has length 142 [2022-12-14 08:53:20,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:53:20,086 INFO L495 AbstractCegarLoop]: Abstraction has 473 states and 722 transitions. [2022-12-14 08:53:20,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2022-12-14 08:53:20,086 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 722 transitions. [2022-12-14 08:53:20,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-12-14 08:53:20,088 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:53:20,088 INFO L195 NwaCegarLoop]: trace histogram [13, 5, 5, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:53:20,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22ca961-7c0b-43f7-a12d-b4e0c95fc989/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 08:53:20,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22ca961-7c0b-43f7-a12d-b4e0c95fc989/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:53:20,289 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:53:20,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:53:20,290 INFO L85 PathProgramCache]: Analyzing trace with hash -278222856, now seen corresponding path program 1 times [2022-12-14 08:53:20,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:53:20,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980758032] [2022-12-14 08:53:20,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:53:20,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:53:20,419 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 08:53:20,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1612738576] [2022-12-14 08:53:20,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:53:20,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:53:20,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22ca961-7c0b-43f7-a12d-b4e0c95fc989/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:53:20,421 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22ca961-7c0b-43f7-a12d-b4e0c95fc989/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:53:20,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22ca961-7c0b-43f7-a12d-b4e0c95fc989/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 08:53:20,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:53:20,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 2630 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-14 08:53:20,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:53:20,884 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2022-12-14 08:53:20,884 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 08:53:20,884 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:53:20,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980758032] [2022-12-14 08:53:20,884 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 08:53:20,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1612738576] [2022-12-14 08:53:20,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1612738576] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:53:20,885 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:53:20,885 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 08:53:20,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456930299] [2022-12-14 08:53:20,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:53:20,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 08:53:20,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:53:20,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 08:53:20,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-12-14 08:53:20,887 INFO L87 Difference]: Start difference. First operand 473 states and 722 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 5 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29) [2022-12-14 08:53:21,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:53:21,670 INFO L93 Difference]: Finished difference Result 928 states and 1437 transitions. [2022-12-14 08:53:21,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 08:53:21,670 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 5 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29) Word has length 150 [2022-12-14 08:53:21,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:53:21,674 INFO L225 Difference]: With dead ends: 928 [2022-12-14 08:53:21,674 INFO L226 Difference]: Without dead ends: 483 [2022-12-14 08:53:21,676 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-12-14 08:53:21,677 INFO L413 NwaCegarLoop]: 567 mSDtfsCounter, 88 mSDsluCounter, 3192 mSDsCounter, 0 mSdLazyCounter, 847 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 3759 SdHoareTripleChecker+Invalid, 865 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 847 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-14 08:53:21,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 3759 Invalid, 865 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 847 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-14 08:53:21,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2022-12-14 08:53:21,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 473. [2022-12-14 08:53:21,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 240 states have (on average 1.1916666666666667) internal successors, (286), 243 states have internal predecessors, (286), 198 states have call successors, (198), 32 states have call predecessors, (198), 33 states have return successors, (238), 197 states have call predecessors, (238), 196 states have call successors, (238) [2022-12-14 08:53:21,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 722 transitions. [2022-12-14 08:53:21,706 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 722 transitions. Word has length 150 [2022-12-14 08:53:21,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:53:21,707 INFO L495 AbstractCegarLoop]: Abstraction has 473 states and 722 transitions. [2022-12-14 08:53:21,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 5 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29) [2022-12-14 08:53:21,707 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 722 transitions. [2022-12-14 08:53:21,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-12-14 08:53:21,709 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:53:21,709 INFO L195 NwaCegarLoop]: trace histogram [13, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:53:21,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22ca961-7c0b-43f7-a12d-b4e0c95fc989/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-12-14 08:53:21,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22ca961-7c0b-43f7-a12d-b4e0c95fc989/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:53:21,911 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:53:21,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:53:21,913 INFO L85 PathProgramCache]: Analyzing trace with hash 60349047, now seen corresponding path program 2 times [2022-12-14 08:53:21,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:53:21,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015010073] [2022-12-14 08:53:21,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:53:21,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:53:22,007 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 08:53:22,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2044085285] [2022-12-14 08:53:22,007 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 08:53:22,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:53:22,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22ca961-7c0b-43f7-a12d-b4e0c95fc989/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:53:22,008 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22ca961-7c0b-43f7-a12d-b4e0c95fc989/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:53:22,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22ca961-7c0b-43f7-a12d-b4e0c95fc989/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 08:53:22,513 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-12-14 08:53:22,513 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 08:53:22,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 1881 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-14 08:53:22,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:53:22,550 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-12-14 08:53:22,550 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 08:53:22,551 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:53:22,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015010073] [2022-12-14 08:53:22,551 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 08:53:22,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2044085285] [2022-12-14 08:53:22,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2044085285] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:53:22,551 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:53:22,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 08:53:22,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419627764] [2022-12-14 08:53:22,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:53:22,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 08:53:22,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:53:22,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 08:53:22,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 08:53:22,553 INFO L87 Difference]: Start difference. First operand 473 states and 722 transitions. Second operand has 5 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-12-14 08:53:23,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:53:23,280 INFO L93 Difference]: Finished difference Result 897 states and 1385 transitions. [2022-12-14 08:53:23,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 08:53:23,281 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 159 [2022-12-14 08:53:23,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:53:23,284 INFO L225 Difference]: With dead ends: 897 [2022-12-14 08:53:23,284 INFO L226 Difference]: Without dead ends: 473 [2022-12-14 08:53:23,286 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 155 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 08:53:23,287 INFO L413 NwaCegarLoop]: 574 mSDtfsCounter, 0 mSDsluCounter, 1643 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2217 SdHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-14 08:53:23,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2217 Invalid, 441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-14 08:53:23,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2022-12-14 08:53:23,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 473. [2022-12-14 08:53:23,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 240 states have (on average 1.1916666666666667) internal successors, (286), 243 states have internal predecessors, (286), 198 states have call successors, (198), 32 states have call predecessors, (198), 33 states have return successors, (237), 197 states have call predecessors, (237), 196 states have call successors, (237) [2022-12-14 08:53:23,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 721 transitions. [2022-12-14 08:53:23,304 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 721 transitions. Word has length 159 [2022-12-14 08:53:23,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:53:23,305 INFO L495 AbstractCegarLoop]: Abstraction has 473 states and 721 transitions. [2022-12-14 08:53:23,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-12-14 08:53:23,305 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 721 transitions. [2022-12-14 08:53:23,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-12-14 08:53:23,307 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:53:23,307 INFO L195 NwaCegarLoop]: trace histogram [13, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:53:23,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22ca961-7c0b-43f7-a12d-b4e0c95fc989/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-14 08:53:23,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22ca961-7c0b-43f7-a12d-b4e0c95fc989/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:53:23,508 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:53:23,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:53:23,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1131453816, now seen corresponding path program 3 times [2022-12-14 08:53:23,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:53:23,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974550917] [2022-12-14 08:53:23,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:53:23,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:53:23,582 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 08:53:23,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1673887354] [2022-12-14 08:53:23,582 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-14 08:53:23,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:53:23,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22ca961-7c0b-43f7-a12d-b4e0c95fc989/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:53:23,583 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22ca961-7c0b-43f7-a12d-b4e0c95fc989/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:53:23,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e22ca961-7c0b-43f7-a12d-b4e0c95fc989/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-14 08:53:23,842 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-14 08:53:23,842 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 08:53:23,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-14 08:53:23,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:53:23,910 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 123 proven. 3 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2022-12-14 08:53:23,910 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 08:53:24,110 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2022-12-14 08:53:24,110 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:53:24,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974550917] [2022-12-14 08:53:24,111 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 08:53:24,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1673887354] [2022-12-14 08:53:24,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1673887354] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 08:53:24,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1652352420] [2022-12-14 08:53:24,133 INFO L159 IcfgInterpreter]: Started Sifa with 91 locations of interest [2022-12-14 08:53:24,133 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 08:53:24,137 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 08:53:24,141 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 08:53:24,142 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 08:53:26,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:53:27,223 INFO L217 Elim1Store]: Index analysis took 304 ms [2022-12-14 08:53:39,081 WARN L233 SmtUtils]: Spent 11.80s on a formula simplification. DAG size of input: 1758 DAG size of output: 1169 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 08:53:39,086 INFO L321 Elim1Store]: treesize reduction 1958, result has 47.2 percent of original size [2022-12-14 08:53:39,090 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 196 select indices, 196 select index equivalence classes, 19112 disjoint index pairs (out of 19110 index pairs), introduced 196 new quantified variables, introduced 195 case distinctions, treesize of input 987 treesize of output 2346 [2022-12-14 08:53:41,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:53:41,885 INFO L217 Elim1Store]: Index analysis took 490 ms [2022-12-14 08:54:00,670 WARN L233 SmtUtils]: Spent 18.75s on a formula simplification. DAG size of input: 2150 DAG size of output: 1173 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 08:54:00,673 INFO L321 Elim1Store]: treesize reduction 3510, result has 33.3 percent of original size [2022-12-14 08:54:00,675 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 198 select indices, 198 select index equivalence classes, 19308 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 390 case distinctions, treesize of input 997 treesize of output 2365 [2022-12-14 08:55:22,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:22,991 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 08:55:22,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:22,997 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 08:55:23,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:23,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:23,007 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 08:55:23,014 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 08:55:25,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:25,914 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19503 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 991 treesize of output 595 [2022-12-14 08:55:26,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:26,385 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19307 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 08:55:26,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:26,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:26,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:26,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:26,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:26,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:26,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:26,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:26,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:26,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:26,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:26,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:26,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:26,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:26,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:26,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:26,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:26,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:26,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:26,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:26,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:26,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:26,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:26,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:26,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:26,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:26,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:26,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:26,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:26,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:26,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:26,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:26,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:26,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:26,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:26,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:26,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:26,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:26,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:26,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:26,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:26,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:26,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:26,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:26,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:26,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:26,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:26,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:26,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:26,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:26,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:26,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:26,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:26,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:26,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:26,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:26,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:26,756 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 57 select indices, 57 select index equivalence classes, 1055 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 0 case distinctions, treesize of input 588 treesize of output 260 [2022-12-14 08:55:27,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:27,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:27,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:27,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:27,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:27,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:27,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:27,179 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-12-14 08:55:27,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:27,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:27,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:27,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:27,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:27,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:27,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:27,685 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-12-14 08:55:34,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:34,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:34,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:34,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:34,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:34,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:34,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,003 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-12-14 08:55:35,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,329 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 57 select indices, 57 select index equivalence classes, 1055 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 0 case distinctions, treesize of input 588 treesize of output 260 [2022-12-14 08:55:35,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:35,728 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-12-14 08:55:36,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:36,172 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19503 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 991 treesize of output 595 [2022-12-14 08:55:36,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:36,591 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19307 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 08:55:51,771 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-12-14 08:55:51,939 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2022-12-14 08:55:51,978 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2022-12-14 08:55:52,137 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-12-14 08:55:52,296 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2022-12-14 08:55:52,336 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2022-12-14 08:56:06,294 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-12-14 08:56:06,353 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2022-12-14 08:56:06,398 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2022-12-14 08:56:06,668 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-12-14 08:56:06,726 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2022-12-14 08:56:06,773 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2022-12-14 08:56:09,244 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 2171 treesize of output 2161 [2022-12-14 08:56:09,592 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 2175 treesize of output 2154 [2022-12-14 08:56:09,770 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 2171 treesize of output 2161 [2022-12-14 08:56:10,739 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 08:56:22,865 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 08:56:22,871 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 08:56:22,894 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 08:56:22,898 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 08:56:22,924 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 08:56:22,929 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 08:56:22,937 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 08:56:22,943 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 08:56:22,970 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 08:56:22,975 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 08:56:22,997 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 08:56:22,998 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 08:56:23,029 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 08:56:23,048 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 08:56:23,049 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 08:56:23,056 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 08:56:23,147 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 08:56:23,159 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2022-12-14 08:56:23,162 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2022-12-14 08:56:23,170 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2022-12-14 08:56:23,173 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2022-12-14 08:56:24,603 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2167 treesize of output 2139 [2022-12-14 08:56:24,858 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2135 treesize of output 2111 [2022-12-14 08:56:24,954 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2119 treesize of output 2091 [2022-12-14 08:56:39,688 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2167 treesize of output 2139 [2022-12-14 08:56:39,945 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2135 treesize of output 2111 [2022-12-14 08:56:40,042 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2119 treesize of output 2091 [2022-12-14 08:59:35,917 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_bounded with input of size 2896 for LOIs [2022-12-14 08:59:49,154 INFO L197 IcfgInterpreter]: Interpreting procedure aws_priority_queue_is_valid with input of size 693 for LOIs [2022-12-14 08:59:53,655 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:59:53,674 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-12-14 08:59:53,676 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 3 case distinctions, treesize of input 1943 treesize of output 1903 [2022-12-14 08:59:53,835 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:59:53,856 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-12-14 08:59:53,857 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 3 case distinctions, treesize of input 1899 treesize of output 1859 [2022-12-14 08:59:54,016 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1855 treesize of output 1831 [2022-12-14 08:59:58,643 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:59:58,665 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-12-14 08:59:58,667 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 3 case distinctions, treesize of input 1943 treesize of output 1903 [2022-12-14 08:59:58,829 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:59:58,851 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-12-14 08:59:58,852 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 3 case distinctions, treesize of input 1899 treesize of output 1859 [2022-12-14 08:59:59,012 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1855 treesize of output 1831 [2022-12-14 09:00:03,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:00:03,924 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:00:03,942 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-12-14 09:00:03,943 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 3 case distinctions, treesize of input 1943 treesize of output 1903 [2022-12-14 09:00:04,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:00:04,104 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:00:04,119 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-12-14 09:00:04,120 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 3 case distinctions, treesize of input 1899 treesize of output 1859 [2022-12-14 09:00:04,288 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1855 treesize of output 1831 [2022-12-14 09:00:06,461 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_valid with input of size 743 for LOIs [2022-12-14 09:00:11,467 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 1928 treesize of output 1928 [2022-12-14 09:00:11,563 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 1922 treesize of output 1918 [2022-12-14 09:00:19,707 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 1928 treesize of output 1928 [2022-12-14 09:00:19,820 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 1922 treesize of output 1918 [2022-12-14 09:00:26,898 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 09:00:28,283 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 1928 treesize of output 1928 [2022-12-14 09:00:28,388 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 1922 treesize of output 1918 [2022-12-14 09:00:32,162 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 726 for LOIs [2022-12-14 09:00:48,894 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 715 for LOIs [2022-12-14 09:00:50,402 INFO L197 IcfgInterpreter]: Interpreting procedure ensure_array_list_has_allocated_data_member with input of size 2963 for LOIs [2022-12-14 09:02:09,658 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 09:02:09,668 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 09:02:09,683 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 09:02:09,693 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 09:02:31,191 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_allocator with input of size 45 for LOIs [2022-12-14 09:02:31,194 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 70 for LOIs [2022-12-14 09:02:31,201 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_malloc with input of size 645 for LOIs [2022-12-14 09:02:34,045 INFO L197 IcfgInterpreter]: Interpreting procedure nondet_bool with input of size 47 for LOIs [2022-12-14 09:02:34,049 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 09:03:55,455 WARN L233 SmtUtils]: Spent 1.35m on a formula simplification. DAG size of input: 2825 DAG size of output: 2437 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 09:06:59,228 WARN L233 SmtUtils]: Spent 3.05m on a formula simplification. DAG size of input: 2896 DAG size of output: 2433 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)