./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b 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_d2e9ca6f-557a-483f-ad2c-7ebda9c5c658/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9ca6f-557a-483f-ad2c-7ebda9c5c658/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9ca6f-557a-483f-ad2c-7ebda9c5c658/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9ca6f-557a-483f-ad2c-7ebda9c5c658/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9ca6f-557a-483f-ad2c-7ebda9c5c658/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9ca6f-557a-483f-ad2c-7ebda9c5c658/bin/utaipan-I9t0OCRTmS --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 1d3eb02e894c2acef7732d0e57c112cc2c197f8f03d7c13822f169fbed4dc5e5 --- 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-8393723 [2022-11-19 08:01:10,151 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:01:10,154 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:01:10,193 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:01:10,194 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:01:10,204 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:01:10,206 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:01:10,208 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:01:10,210 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:01:10,211 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:01:10,212 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:01:10,214 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:01:10,223 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:01:10,226 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:01:10,228 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:01:10,229 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:01:10,230 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:01:10,232 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:01:10,234 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:01:10,246 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:01:10,248 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:01:10,255 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:01:10,257 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:01:10,258 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:01:10,262 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:01:10,262 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:01:10,263 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:01:10,264 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:01:10,265 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:01:10,266 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:01:10,273 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:01:10,275 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:01:10,278 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:01:10,279 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:01:10,282 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:01:10,282 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:01:10,283 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:01:10,283 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:01:10,284 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:01:10,285 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:01:10,286 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:01:10,287 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9ca6f-557a-483f-ad2c-7ebda9c5c658/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 08:01:10,342 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:01:10,342 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:01:10,343 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:01:10,343 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:01:10,345 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:01:10,345 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:01:10,346 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:01:10,346 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:01:10,346 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:01:10,347 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:01:10,348 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:01:10,349 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:01:10,349 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:01:10,349 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:01:10,350 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:01:10,350 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:01:10,350 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:01:10,351 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:01:10,351 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:01:10,352 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:01:10,352 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:01:10,353 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:01:10,353 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:01:10,353 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:01:10,353 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:01:10,354 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:01:10,354 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:01:10,354 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:01:10,355 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:01:10,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:01:10,356 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:01:10,356 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:01:10,357 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:01:10,357 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:01:10,357 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:01:10,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:01:10,358 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:01:10,358 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:01:10,359 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_d2e9ca6f-557a-483f-ad2c-7ebda9c5c658/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9ca6f-557a-483f-ad2c-7ebda9c5c658/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d3eb02e894c2acef7732d0e57c112cc2c197f8f03d7c13822f169fbed4dc5e5 [2022-11-19 08:01:10,709 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:01:10,757 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:01:10,761 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:01:10,763 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:01:10,764 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:01:10,766 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9ca6f-557a-483f-ad2c-7ebda9c5c658/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i [2022-11-19 08:01:10,859 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9ca6f-557a-483f-ad2c-7ebda9c5c658/bin/utaipan-I9t0OCRTmS/data/274cb78f7/5f273bf87b9647ba8cb008776b917c70/FLAG3cc34d41c [2022-11-19 08:01:11,730 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:01:11,731 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9ca6f-557a-483f-ad2c-7ebda9c5c658/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i [2022-11-19 08:01:11,761 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9ca6f-557a-483f-ad2c-7ebda9c5c658/bin/utaipan-I9t0OCRTmS/data/274cb78f7/5f273bf87b9647ba8cb008776b917c70/FLAG3cc34d41c [2022-11-19 08:01:12,215 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9ca6f-557a-483f-ad2c-7ebda9c5c658/bin/utaipan-I9t0OCRTmS/data/274cb78f7/5f273bf87b9647ba8cb008776b917c70 [2022-11-19 08:01:12,218 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:01:12,219 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:01:12,222 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:01:12,222 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:01:12,226 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:01:12,228 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:01:12" (1/1) ... [2022-11-19 08:01:12,231 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6caa48ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:12, skipping insertion in model container [2022-11-19 08:01:12,231 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:01:12" (1/1) ... [2022-11-19 08:01:12,239 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:01:12,350 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:01:12,737 WARN L234 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_d2e9ca6f-557a-483f-ad2c-7ebda9c5c658/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i[4504,4517] [2022-11-19 08:01:12,748 WARN L234 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_d2e9ca6f-557a-483f-ad2c-7ebda9c5c658/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i[4564,4577] [2022-11-19 08:01:13,816 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:13,817 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:13,818 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:13,819 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:13,821 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:13,842 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:13,843 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:13,846 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:13,847 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:13,850 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:13,853 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:13,855 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:13,861 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:14,321 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-19 08:01:14,323 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-19 08:01:14,325 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-19 08:01:14,326 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-19 08:01:14,329 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-19 08:01:14,330 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-19 08:01:14,331 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-19 08:01:14,332 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-19 08:01:14,333 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-19 08:01:14,334 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-19 08:01:14,526 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-19 08:01:14,558 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:14,559 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:14,565 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:14,574 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:14,692 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:14,693 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:14,694 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:14,694 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:14,695 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:14,696 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:14,696 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:14,699 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:14,700 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:14,701 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:14,701 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:14,702 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:14,702 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:14,708 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:14,709 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:14,709 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:14,710 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:14,722 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:14,723 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:14,742 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:14,743 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:14,744 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:14,786 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:01:14,831 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:01:14,848 WARN L234 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_d2e9ca6f-557a-483f-ad2c-7ebda9c5c658/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i[4504,4517] [2022-11-19 08:01:14,849 WARN L234 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_d2e9ca6f-557a-483f-ad2c-7ebda9c5c658/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i[4564,4577] [2022-11-19 08:01:14,894 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:14,894 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:14,895 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:14,896 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:14,897 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:14,905 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:14,906 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:14,908 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:14,908 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:14,910 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:14,911 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:14,912 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:14,912 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:15,000 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-19 08:01:15,001 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-19 08:01:15,002 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-19 08:01:15,004 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-19 08:01:15,005 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-19 08:01:15,006 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-19 08:01:15,007 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-19 08:01:15,008 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-19 08:01:15,008 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-19 08:01:15,009 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-19 08:01:15,036 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-19 08:01:15,053 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:15,054 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:15,055 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:15,061 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:15,092 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:15,093 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:15,094 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:15,095 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:15,096 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:15,097 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:15,098 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:15,099 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:15,101 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:15,101 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:15,102 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:15,103 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:15,104 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:15,105 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:15,105 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:15,106 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:15,106 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:15,109 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:15,110 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:15,120 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:15,122 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:15,122 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:01:15,137 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:01:15,429 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:01:15,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:15 WrapperNode [2022-11-19 08:01:15,430 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:01:15,431 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:01:15,431 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:01:15,431 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:01:15,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:15" (1/1) ... [2022-11-19 08:01:15,586 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:15" (1/1) ... [2022-11-19 08:01:15,707 INFO L138 Inliner]: procedures = 697, calls = 1904, calls flagged for inlining = 59, calls inlined = 14, statements flattened = 839 [2022-11-19 08:01:15,708 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:01:15,710 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:01:15,710 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:01:15,710 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:01:15,721 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:15" (1/1) ... [2022-11-19 08:01:15,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:15" (1/1) ... [2022-11-19 08:01:15,757 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:15" (1/1) ... [2022-11-19 08:01:15,758 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:15" (1/1) ... [2022-11-19 08:01:15,807 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:15" (1/1) ... [2022-11-19 08:01:15,814 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:15" (1/1) ... [2022-11-19 08:01:15,820 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:15" (1/1) ... [2022-11-19 08:01:15,825 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:15" (1/1) ... [2022-11-19 08:01:15,835 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:01:15,836 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:01:15,836 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:01:15,836 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:01:15,837 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:15" (1/1) ... [2022-11-19 08:01:15,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:01:15,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9ca6f-557a-483f-ad2c-7ebda9c5c658/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:01:15,904 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9ca6f-557a-483f-ad2c-7ebda9c5c658/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:01:15,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9ca6f-557a-483f-ad2c-7ebda9c5c658/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:01:15,974 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2022-11-19 08:01:15,974 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2022-11-19 08:01:15,974 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2022-11-19 08:01:15,975 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2022-11-19 08:01:15,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 08:01:15,975 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-11-19 08:01:15,975 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-11-19 08:01:15,976 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-19 08:01:15,977 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-19 08:01:15,981 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-19 08:01:15,981 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-19 08:01:15,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 08:01:15,982 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-19 08:01:15,982 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-19 08:01:15,983 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-19 08:01:15,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-19 08:01:15,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 08:01:15,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:01:15,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 08:01:15,988 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-11-19 08:01:15,988 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-11-19 08:01:15,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:01:15,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:01:15,990 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-19 08:01:15,990 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-19 08:01:15,990 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2022-11-19 08:01:15,990 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2022-11-19 08:01:15,990 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-19 08:01:15,991 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-19 08:01:15,991 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-11-19 08:01:15,991 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-11-19 08:01:15,991 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2022-11-19 08:01:15,991 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2022-11-19 08:01:15,991 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2022-11-19 08:01:15,991 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2022-11-19 08:01:15,991 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-19 08:01:15,992 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-19 08:01:15,992 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-11-19 08:01:15,992 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-11-19 08:01:15,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 08:01:15,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 08:01:15,992 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_down [2022-11-19 08:01:15,992 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_down [2022-11-19 08:01:15,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 08:01:15,993 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2022-11-19 08:01:15,993 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2022-11-19 08:01:15,993 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-19 08:01:15,993 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-19 08:01:15,994 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-19 08:01:15,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-19 08:01:15,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 08:01:15,994 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-11-19 08:01:15,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-11-19 08:01:15,994 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2022-11-19 08:01:15,995 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2022-11-19 08:01:15,995 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-19 08:01:15,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-19 08:01:15,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 08:01:16,489 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:01:16,492 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:01:18,200 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:01:18,585 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:01:18,585 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-19 08:01:18,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:01:18 BoogieIcfgContainer [2022-11-19 08:01:18,592 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:01:18,596 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:01:18,596 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:01:18,602 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:01:18,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:01:12" (1/3) ... [2022-11-19 08:01:18,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b94d386 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:01:18, skipping insertion in model container [2022-11-19 08:01:18,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:15" (2/3) ... [2022-11-19 08:01:18,605 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b94d386 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:01:18, skipping insertion in model container [2022-11-19 08:01:18,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:01:18" (3/3) ... [2022-11-19 08:01:18,611 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_sift_down_harness.i [2022-11-19 08:01:18,639 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:01:18,639 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 08:01:18,755 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:01:18,772 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;@1022a4f2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:01:18,772 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 08:01:18,781 INFO L276 IsEmpty]: Start isEmpty. Operand has 268 states, 139 states have (on average 1.1942446043165467) internal successors, (166), 140 states have internal predecessors, (166), 104 states have call successors, (104), 23 states have call predecessors, (104), 23 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) [2022-11-19 08:01:18,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-11-19 08:01:18,808 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:01:18,811 INFO L195 NwaCegarLoop]: trace histogram [9, 7, 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] [2022-11-19 08:01:18,812 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:01:18,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:01:18,822 INFO L85 PathProgramCache]: Analyzing trace with hash 224299216, now seen corresponding path program 1 times [2022-11-19 08:01:18,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:01:18,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345814605] [2022-11-19 08:01:18,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:01:18,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:01:19,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:01:20,256 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2022-11-19 08:01:20,257 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:01:20,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345814605] [2022-11-19 08:01:20,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345814605] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:01:20,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1799894616] [2022-11-19 08:01:20,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:01:20,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:01:20,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9ca6f-557a-483f-ad2c-7ebda9c5c658/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:01:20,266 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9ca6f-557a-483f-ad2c-7ebda9c5c658/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:01:20,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9ca6f-557a-483f-ad2c-7ebda9c5c658/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 08:01:20,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:01:21,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 2299 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 08:01:21,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:01:21,205 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2022-11-19 08:01:21,206 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:01:21,207 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1799894616] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:01:21,207 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 08:01:21,207 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-11-19 08:01:21,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685918586] [2022-11-19 08:01:21,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:01:21,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 08:01:21,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:01:21,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 08:01:21,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-19 08:01:21,269 INFO L87 Difference]: Start difference. First operand has 268 states, 139 states have (on average 1.1942446043165467) internal successors, (166), 140 states have internal predecessors, (166), 104 states have call successors, (104), 23 states have call predecessors, (104), 23 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-19 08:01:22,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:01:22,029 INFO L93 Difference]: Finished difference Result 496 states and 723 transitions. [2022-11-19 08:01:22,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:01:22,034 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 121 [2022-11-19 08:01:22,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:01:22,060 INFO L225 Difference]: With dead ends: 496 [2022-11-19 08:01:22,060 INFO L226 Difference]: Without dead ends: 268 [2022-11-19 08:01:22,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-19 08:01:22,080 INFO L413 NwaCegarLoop]: 312 mSDtfsCounter, 33 mSDsluCounter, 867 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 1179 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-19 08:01:22,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 1179 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-19 08:01:22,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2022-11-19 08:01:22,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 268. [2022-11-19 08:01:22,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 139 states have (on average 1.1726618705035972) internal successors, (163), 141 states have internal predecessors, (163), 104 states have call successors, (104), 23 states have call predecessors, (104), 24 states have return successors, (107), 103 states have call predecessors, (107), 103 states have call successors, (107) [2022-11-19 08:01:22,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 374 transitions. [2022-11-19 08:01:22,197 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 374 transitions. Word has length 121 [2022-11-19 08:01:22,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:01:22,199 INFO L495 AbstractCegarLoop]: Abstraction has 268 states and 374 transitions. [2022-11-19 08:01:22,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-19 08:01:22,200 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 374 transitions. [2022-11-19 08:01:22,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-19 08:01:22,211 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:01:22,212 INFO L195 NwaCegarLoop]: trace histogram [9, 7, 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] [2022-11-19 08:01:22,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9ca6f-557a-483f-ad2c-7ebda9c5c658/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 08:01:22,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9ca6f-557a-483f-ad2c-7ebda9c5c658/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-19 08:01:22,423 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:01:22,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:01:22,424 INFO L85 PathProgramCache]: Analyzing trace with hash -725126990, now seen corresponding path program 1 times [2022-11-19 08:01:22,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:01:22,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976411971] [2022-11-19 08:01:22,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:01:22,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:01:22,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:01:23,306 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2022-11-19 08:01:23,306 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:01:23,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976411971] [2022-11-19 08:01:23,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976411971] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:01:23,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [645873450] [2022-11-19 08:01:23,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:01:23,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:01:23,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9ca6f-557a-483f-ad2c-7ebda9c5c658/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:01:23,310 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9ca6f-557a-483f-ad2c-7ebda9c5c658/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:01:23,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9ca6f-557a-483f-ad2c-7ebda9c5c658/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 08:01:23,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:01:23,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 2349 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-19 08:01:23,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:01:24,125 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2022-11-19 08:01:24,125 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:01:24,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [645873450] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:01:24,126 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 08:01:24,126 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2022-11-19 08:01:24,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45764494] [2022-11-19 08:01:24,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:01:24,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-19 08:01:24,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:01:24,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-19 08:01:24,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-11-19 08:01:24,130 INFO L87 Difference]: Start difference. First operand 268 states and 374 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2022-11-19 08:01:25,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:01:25,250 INFO L93 Difference]: Finished difference Result 507 states and 722 transitions. [2022-11-19 08:01:25,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 08:01:25,252 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 129 [2022-11-19 08:01:25,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:01:25,258 INFO L225 Difference]: With dead ends: 507 [2022-11-19 08:01:25,258 INFO L226 Difference]: Without dead ends: 281 [2022-11-19 08:01:25,260 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2022-11-19 08:01:25,261 INFO L413 NwaCegarLoop]: 300 mSDtfsCounter, 52 mSDsluCounter, 1403 mSDsCounter, 0 mSdLazyCounter, 444 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 1703 SdHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:01:25,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 1703 Invalid, 452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 444 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-19 08:01:25,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2022-11-19 08:01:25,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 279. [2022-11-19 08:01:25,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 147 states have (on average 1.1768707482993197) internal successors, (173), 149 states have internal predecessors, (173), 106 states have call successors, (106), 23 states have call predecessors, (106), 25 states have return successors, (120), 106 states have call predecessors, (120), 105 states have call successors, (120) [2022-11-19 08:01:25,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 399 transitions. [2022-11-19 08:01:25,314 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 399 transitions. Word has length 129 [2022-11-19 08:01:25,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:01:25,315 INFO L495 AbstractCegarLoop]: Abstraction has 279 states and 399 transitions. [2022-11-19 08:01:25,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2022-11-19 08:01:25,316 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 399 transitions. [2022-11-19 08:01:25,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-11-19 08:01:25,320 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:01:25,320 INFO L195 NwaCegarLoop]: trace histogram [9, 7, 3, 3, 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, 1, 1, 1, 1, 1] [2022-11-19 08:01:25,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9ca6f-557a-483f-ad2c-7ebda9c5c658/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 08:01:25,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9ca6f-557a-483f-ad2c-7ebda9c5c658/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:01:25,531 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:01:25,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:01:25,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1832344581, now seen corresponding path program 1 times [2022-11-19 08:01:25,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:01:25,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743411661] [2022-11-19 08:01:25,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:01:25,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:01:25,647 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 08:01:25,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2059223438] [2022-11-19 08:01:25,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:01:25,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:01:25,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9ca6f-557a-483f-ad2c-7ebda9c5c658/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:01:25,649 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9ca6f-557a-483f-ad2c-7ebda9c5c658/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:01:25,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9ca6f-557a-483f-ad2c-7ebda9c5c658/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 08:01:26,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:01:26,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 2481 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-19 08:01:26,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:01:26,470 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2022-11-19 08:01:26,470 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:01:26,470 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:01:26,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743411661] [2022-11-19 08:01:26,471 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 08:01:26,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2059223438] [2022-11-19 08:01:26,471 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2059223438] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:01:26,471 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:01:26,472 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-19 08:01:26,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503538563] [2022-11-19 08:01:26,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:01:26,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 08:01:26,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:01:26,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 08:01:26,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-19 08:01:26,476 INFO L87 Difference]: Start difference. First operand 279 states and 399 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2022-11-19 08:01:27,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:01:27,168 INFO L93 Difference]: Finished difference Result 524 states and 759 transitions. [2022-11-19 08:01:27,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 08:01:27,169 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) Word has length 138 [2022-11-19 08:01:27,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:01:27,172 INFO L225 Difference]: With dead ends: 524 [2022-11-19 08:01:27,173 INFO L226 Difference]: Without dead ends: 287 [2022-11-19 08:01:27,174 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-19 08:01:27,175 INFO L413 NwaCegarLoop]: 310 mSDtfsCounter, 44 mSDsluCounter, 1146 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 1456 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-19 08:01:27,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 1456 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-19 08:01:27,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2022-11-19 08:01:27,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 279. [2022-11-19 08:01:27,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 147 states have (on average 1.1768707482993197) internal successors, (173), 149 states have internal predecessors, (173), 106 states have call successors, (106), 23 states have call predecessors, (106), 25 states have return successors, (120), 106 states have call predecessors, (120), 105 states have call successors, (120) [2022-11-19 08:01:27,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 399 transitions. [2022-11-19 08:01:27,199 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 399 transitions. Word has length 138 [2022-11-19 08:01:27,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:01:27,200 INFO L495 AbstractCegarLoop]: Abstraction has 279 states and 399 transitions. [2022-11-19 08:01:27,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2022-11-19 08:01:27,200 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 399 transitions. [2022-11-19 08:01:27,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-11-19 08:01:27,202 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:01:27,203 INFO L195 NwaCegarLoop]: trace histogram [9, 7, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:01:27,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9ca6f-557a-483f-ad2c-7ebda9c5c658/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-19 08:01:27,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9ca6f-557a-483f-ad2c-7ebda9c5c658/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:01:27,414 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:01:27,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:01:27,414 INFO L85 PathProgramCache]: Analyzing trace with hash -714253592, now seen corresponding path program 1 times [2022-11-19 08:01:27,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:01:27,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469163577] [2022-11-19 08:01:27,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:01:27,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:01:27,519 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 08:01:27,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [193043395] [2022-11-19 08:01:27,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:01:27,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:01:27,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9ca6f-557a-483f-ad2c-7ebda9c5c658/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:01:27,526 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9ca6f-557a-483f-ad2c-7ebda9c5c658/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:01:27,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9ca6f-557a-483f-ad2c-7ebda9c5c658/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-19 08:01:28,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:01:28,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 2535 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-19 08:01:28,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:01:28,385 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2022-11-19 08:01:28,385 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:01:28,386 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:01:28,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469163577] [2022-11-19 08:01:28,386 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 08:01:28,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [193043395] [2022-11-19 08:01:28,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [193043395] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:01:28,387 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:01:28,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-19 08:01:28,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013806993] [2022-11-19 08:01:28,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:01:28,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-19 08:01:28,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:01:28,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-19 08:01:28,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-19 08:01:28,390 INFO L87 Difference]: Start difference. First operand 279 states and 399 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 5 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (28), 5 states have call predecessors, (28), 5 states have call successors, (28) [2022-11-19 08:01:29,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:01:29,606 INFO L93 Difference]: Finished difference Result 526 states and 760 transitions. [2022-11-19 08:01:29,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-19 08:01:29,607 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 5 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (28), 5 states have call predecessors, (28), 5 states have call successors, (28) Word has length 146 [2022-11-19 08:01:29,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:01:29,610 INFO L225 Difference]: With dead ends: 526 [2022-11-19 08:01:29,611 INFO L226 Difference]: Without dead ends: 289 [2022-11-19 08:01:29,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-11-19 08:01:29,614 INFO L413 NwaCegarLoop]: 299 mSDtfsCounter, 67 mSDsluCounter, 1670 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 1969 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:01:29,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 1969 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-19 08:01:29,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2022-11-19 08:01:29,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 279. [2022-11-19 08:01:29,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 147 states have (on average 1.1768707482993197) internal successors, (173), 149 states have internal predecessors, (173), 106 states have call successors, (106), 23 states have call predecessors, (106), 25 states have return successors, (120), 106 states have call predecessors, (120), 105 states have call successors, (120) [2022-11-19 08:01:29,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 399 transitions. [2022-11-19 08:01:29,638 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 399 transitions. Word has length 146 [2022-11-19 08:01:29,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:01:29,639 INFO L495 AbstractCegarLoop]: Abstraction has 279 states and 399 transitions. [2022-11-19 08:01:29,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 5 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (28), 5 states have call predecessors, (28), 5 states have call successors, (28) [2022-11-19 08:01:29,640 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 399 transitions. [2022-11-19 08:01:29,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-11-19 08:01:29,643 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:01:29,643 INFO L195 NwaCegarLoop]: trace histogram [9, 7, 4, 4, 2, 2, 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] [2022-11-19 08:01:29,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9ca6f-557a-483f-ad2c-7ebda9c5c658/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-19 08:01:29,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9ca6f-557a-483f-ad2c-7ebda9c5c658/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:01:29,855 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:01:29,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:01:29,855 INFO L85 PathProgramCache]: Analyzing trace with hash 1735404133, now seen corresponding path program 2 times [2022-11-19 08:01:29,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:01:29,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401412175] [2022-11-19 08:01:29,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:01:29,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:01:29,956 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 08:01:29,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [778453673] [2022-11-19 08:01:29,956 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-19 08:01:29,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:01:29,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9ca6f-557a-483f-ad2c-7ebda9c5c658/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:01:29,958 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9ca6f-557a-483f-ad2c-7ebda9c5c658/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:01:29,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9ca6f-557a-483f-ad2c-7ebda9c5c658/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-19 08:01:30,612 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-19 08:01:30,612 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-19 08:01:30,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 1894 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-19 08:01:30,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:01:30,682 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2022-11-19 08:01:30,683 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:01:30,683 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:01:30,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401412175] [2022-11-19 08:01:30,683 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 08:01:30,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [778453673] [2022-11-19 08:01:30,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [778453673] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:01:30,684 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:01:30,684 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 08:01:30,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510388494] [2022-11-19 08:01:30,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:01:30,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 08:01:30,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:01:30,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 08:01:30,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:01:30,686 INFO L87 Difference]: Start difference. First operand 279 states and 399 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, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-19 08:01:31,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:01:31,608 INFO L93 Difference]: Finished difference Result 483 states and 705 transitions. [2022-11-19 08:01:31,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:01:31,609 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, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 155 [2022-11-19 08:01:31,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:01:31,612 INFO L225 Difference]: With dead ends: 483 [2022-11-19 08:01:31,612 INFO L226 Difference]: Without dead ends: 279 [2022-11-19 08:01:31,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:01:31,614 INFO L413 NwaCegarLoop]: 307 mSDtfsCounter, 0 mSDsluCounter, 882 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1189 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-19 08:01:31,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1189 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-19 08:01:31,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2022-11-19 08:01:31,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 279. [2022-11-19 08:01:31,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 147 states have (on average 1.1768707482993197) internal successors, (173), 149 states have internal predecessors, (173), 106 states have call successors, (106), 23 states have call predecessors, (106), 25 states have return successors, (119), 106 states have call predecessors, (119), 105 states have call successors, (119) [2022-11-19 08:01:31,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 398 transitions. [2022-11-19 08:01:31,640 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 398 transitions. Word has length 155 [2022-11-19 08:01:31,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:01:31,643 INFO L495 AbstractCegarLoop]: Abstraction has 279 states and 398 transitions. [2022-11-19 08:01:31,643 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, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-19 08:01:31,644 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 398 transitions. [2022-11-19 08:01:31,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-11-19 08:01:31,647 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:01:31,647 INFO L195 NwaCegarLoop]: trace histogram [9, 7, 4, 4, 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, 1] [2022-11-19 08:01:31,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9ca6f-557a-483f-ad2c-7ebda9c5c658/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-11-19 08:01:31,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9ca6f-557a-483f-ad2c-7ebda9c5c658/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:01:31,868 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:01:31,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:01:31,868 INFO L85 PathProgramCache]: Analyzing trace with hash -54764672, now seen corresponding path program 3 times [2022-11-19 08:01:31,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:01:31,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584783203] [2022-11-19 08:01:31,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:01:31,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:01:31,986 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 08:01:31,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1651009342] [2022-11-19 08:01:31,987 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-19 08:01:31,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:01:31,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9ca6f-557a-483f-ad2c-7ebda9c5c658/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:01:31,989 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9ca6f-557a-483f-ad2c-7ebda9c5c658/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:01:32,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2e9ca6f-557a-483f-ad2c-7ebda9c5c658/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-19 08:01:32,399 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-19 08:01:32,399 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-19 08:01:32,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 666 conjuncts, 37 conjunts are in the unsatisfiable core [2022-11-19 08:01:32,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:01:32,725 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 74 proven. 2 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-11-19 08:01:32,726 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:01:33,252 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2022-11-19 08:01:33,253 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:01:33,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584783203] [2022-11-19 08:01:33,253 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 08:01:33,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1651009342] [2022-11-19 08:01:33,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1651009342] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:01:33,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [310232650] [2022-11-19 08:01:33,289 INFO L159 IcfgInterpreter]: Started Sifa with 91 locations of interest [2022-11-19 08:01:33,289 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:01:33,295 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:01:33,304 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:01:33,304 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:01:37,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:37,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:01:38,017 INFO L217 Elim1Store]: Index analysis took 756 ms [2022-11-19 08:01:57,637 WARN L233 SmtUtils]: Spent 19.52s on a formula simplification. DAG size of input: 1749 DAG size of output: 1163 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 08:01:57,644 INFO L321 Elim1Store]: treesize reduction 1948, result has 47.2 percent of original size [2022-11-19 08:01:57,649 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 196 select indices, 196 select index equivalence classes, 19113 disjoint index pairs (out of 19110 index pairs), introduced 196 new quantified variables, introduced 194 case distinctions, treesize of input 987 treesize of output 2342 [2022-11-19 08:02:01,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:02:01,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:02:02,096 INFO L217 Elim1Store]: Index analysis took 750 ms [2022-11-19 08:02:31,984 WARN L233 SmtUtils]: Spent 29.83s on a formula simplification. DAG size of input: 2139 DAG size of output: 1167 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 08:02:31,989 INFO L321 Elim1Store]: treesize reduction 3492, result has 33.3 percent of original size [2022-11-19 08:02:31,993 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 198 select indices, 198 select index equivalence classes, 19309 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 388 case distinctions, treesize of input 997 treesize of output 2361 [2022-11-19 08:07:04,876 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:07:04,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:04,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:04,886 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2022-11-19 08:07:04,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:04,895 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2022-11-19 08:07:04,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:04,903 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2022-11-19 08:07:08,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:08,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:08,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:08,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:08,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:08,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:08,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:08,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:08,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:08,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:08,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:08,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:08,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:08,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:08,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:08,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:08,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:08,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:08,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:08,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:08,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:08,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:08,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:08,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:08,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:08,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:08,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:08,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:08,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:08,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:08,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:08,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:08,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:08,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:08,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:08,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:08,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:08,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:08,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:08,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:08,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:08,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:08,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:08,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:08,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:08,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:08,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:08,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:08,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:08,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:08,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:08,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:08,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:08,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:08,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:08,242 INFO L217 Elim1Store]: Index analysis took 118 ms [2022-11-19 08:07:08,249 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 714 treesize of output 362 [2022-11-19 08:07:08,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:08,722 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-19 08:07:08,727 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19306 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 1 case distinctions, treesize of input 986 treesize of output 596 [2022-11-19 08:07:09,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:09,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:09,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:09,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:09,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:09,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:09,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:09,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:09,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:09,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:09,453 INFO L217 Elim1Store]: Index analysis took 125 ms [2022-11-19 08:07:09,488 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 198 select indices, 198 select index equivalence classes, 17061 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 1779 treesize of output 595 [2022-11-19 08:07:09,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:09,949 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 [2022-11-19 08:07:10,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:10,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:10,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:10,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:10,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:10,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:10,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:10,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:10,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:10,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:10,627 INFO L217 Elim1Store]: Index analysis took 118 ms [2022-11-19 08:07:10,653 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 198 select indices, 198 select index equivalence classes, 17061 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 1779 treesize of output 595 [2022-11-19 08:07:19,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:19,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:19,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:19,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:19,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:19,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:19,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:19,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:19,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:19,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:19,633 INFO L217 Elim1Store]: Index analysis took 136 ms [2022-11-19 08:07:19,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:19,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:19,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:19,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:19,655 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:07:19,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:19,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:19,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:19,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:19,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:19,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:19,745 INFO L321 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2022-11-19 08:07:19,750 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 198 select indices, 198 select index equivalence classes, 17068 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 25 case distinctions, treesize of input 1779 treesize of output 599 [2022-11-19 08:07:20,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:20,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:20,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:20,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:20,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:20,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:20,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:20,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:20,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:20,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:20,466 INFO L217 Elim1Store]: Index analysis took 112 ms [2022-11-19 08:07:20,493 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 198 select indices, 198 select index equivalence classes, 17061 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 1779 treesize of output 595 [2022-11-19 08:07:20,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:20,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:21,036 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19308 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 [2022-11-19 08:07:21,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:21,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:21,626 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19504 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 991 treesize of output 595 [2022-11-19 08:07:22,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:22,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:22,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:22,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:22,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:22,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:22,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:22,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:22,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:22,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:22,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:22,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:22,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:22,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:22,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:22,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:22,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:22,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:22,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:22,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:22,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:22,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:22,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:22,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:22,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:22,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:22,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:22,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:22,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:22,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:22,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:22,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:22,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:22,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:22,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:22,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:22,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:22,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:22,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:22,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:22,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:22,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:22,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:22,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:22,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:22,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:22,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:22,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:22,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:22,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:22,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:22,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:22,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:22,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:22,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:07:22,129 INFO L217 Elim1Store]: Index analysis took 107 ms [2022-11-19 08:07:22,135 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 714 treesize of output 362 [2022-11-19 08:07:38,788 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-11-19 08:07:38,866 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 [2022-11-19 08:07:38,918 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 [2022-11-19 08:07:39,288 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 23 treesize of output 11 [2022-11-19 08:07:39,360 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 [2022-11-19 08:07:39,412 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 [2022-11-19 08:07:54,749 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 [2022-11-19 08:07:54,800 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 [2022-11-19 08:07:54,868 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-11-19 08:07:55,168 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 [2022-11-19 08:07:55,215 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 [2022-11-19 08:07:55,286 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-11-19 08:07:57,673 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:07:57,784 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 2363 treesize of output 2353 [2022-11-19 08:07:58,266 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 2367 treesize of output 2346 [2022-11-19 08:07:58,455 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 2363 treesize of output 2353 [2022-11-19 08:08:13,185 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 08:08:13,195 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 08:08:13,222 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 08:08:13,226 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 08:08:13,260 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:08:13,267 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 08:08:13,274 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:08:13,293 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:08:13,331 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 08:08:13,337 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 08:08:13,368 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:08:13,368 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2022-11-19 08:08:13,431 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:08:13,432 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2022-11-19 08:08:13,444 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 08:08:13,452 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 08:08:13,598 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 08:08:13,624 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 [2022-11-19 08:08:13,628 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 [2022-11-19 08:08:13,642 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 [2022-11-19 08:08:13,645 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 [2022-11-19 08:08:15,457 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 2359 treesize of output 2331 [2022-11-19 08:08:15,729 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 2327 treesize of output 2303 [2022-11-19 08:08:15,840 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 2311 treesize of output 2283 [2022-11-19 08:08:32,864 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 2359 treesize of output 2331 [2022-11-19 08:08:33,195 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 2327 treesize of output 2303 [2022-11-19 08:08:33,294 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 2311 treesize of output 2283 [2022-11-19 08:12:44,623 INFO L197 IcfgInterpreter]: Interpreting procedure s_sift_down with input of size 700 for LOIs [2022-11-19 08:12:52,312 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 1773 treesize of output 1761 [2022-11-19 08:12:52,415 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 1761 treesize of output 1749 [2022-11-19 08:12:52,507 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 1749 treesize of output 1737 [2022-11-19 08:12:57,031 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 1773 treesize of output 1761 [2022-11-19 08:12:57,123 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 1761 treesize of output 1749 [2022-11-19 08:12:57,205 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 1749 treesize of output 1737 [2022-11-19 08:13:04,118 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 1773 treesize of output 1761 [2022-11-19 08:13:04,211 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 1761 treesize of output 1749 [2022-11-19 08:13:04,291 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 1749 treesize of output 1737 [2022-11-19 08:13:10,178 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 1773 treesize of output 1761 [2022-11-19 08:13:10,259 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 1761 treesize of output 1749 [2022-11-19 08:13:10,341 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 1749 treesize of output 1737 [2022-11-19 08:13:17,815 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 1829 treesize of output 1817 [2022-11-19 08:13:17,899 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 1817 treesize of output 1805 [2022-11-19 08:13:17,982 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 1805 treesize of output 1793 [2022-11-19 08:13:21,383 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 1773 treesize of output 1761 [2022-11-19 08:13:21,476 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 1761 treesize of output 1749 [2022-11-19 08:13:21,567 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 1749 treesize of output 1737 [2022-11-19 08:13:28,005 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 1773 treesize of output 1761 [2022-11-19 08:13:28,085 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 1761 treesize of output 1749 [2022-11-19 08:13:28,173 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 1749 treesize of output 1737 [2022-11-19 08:13:32,603 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_length with input of size 704 for LOIs [2022-11-19 08:13:56,814 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 9 treesize of output 3 [2022-11-19 08:13:56,845 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 9 treesize of output 3 [2022-11-19 08:14:06,608 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 41 for LOIs [2022-11-19 08:14:06,616 INFO L197 IcfgInterpreter]: Interpreting procedure nondet_size_t with input of size 64 for LOIs [2022-11-19 08:14:06,626 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_bounded with input of size 2933 for LOIs [2022-11-19 08:14:22,997 INFO L197 IcfgInterpreter]: Interpreting procedure aws_priority_queue_is_valid with input of size 41 for LOIs [2022-11-19 08:14:23,024 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 [2022-11-19 08:14:23,030 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 [2022-11-19 08:14:23,056 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 [2022-11-19 08:14:23,062 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 [2022-11-19 08:14:23,790 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_valid with input of size 44 for LOIs [2022-11-19 08:14:23,813 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 08:14:23,827 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 08:14:23,889 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 08:14:23,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:23,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:23,915 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:14:23,915 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 10 [2022-11-19 08:14:23,928 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 08:14:23,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:23,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:14:23,990 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:14:23,991 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 10 [2022-11-19 08:14:24,000 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 08:14:24,010 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 08:14:24,170 INFO L321 Elim1Store]: treesize reduction 20, result has 57.4 percent of original size [2022-11-19 08:14:24,171 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 170 treesize of output 191 [2022-11-19 08:14:25,078 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 92 for LOIs [2022-11-19 08:14:25,344 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 78 for LOIs [2022-11-19 08:14:25,361 INFO L197 IcfgInterpreter]: Interpreting procedure ensure_array_list_has_allocated_data_member with input of size 74 for LOIs [2022-11-19 08:14:25,872 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 222 treesize of output 215 [2022-11-19 08:14:25,886 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 230 treesize of output 223 [2022-11-19 08:14:25,901 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 242 treesize of output 221 [2022-11-19 08:14:25,944 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:14:26,117 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_allocator with input of size 128 for LOIs [2022-11-19 08:14:26,159 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 37 for LOIs [2022-11-19 08:14:26,161 INFO L180 IcfgInterpreter]: Interpretation finished