./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/bin/utaipan-ByfvJB40ur --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 00eefb20b1e97d60d3c6a842acdb225be14d327e18edfa8146d29fe131145042 --- 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-38b53e6 [2022-11-25 22:20:30,082 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:20:30,085 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:20:30,121 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:20:30,122 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:20:30,128 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:20:30,132 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:20:30,139 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:20:30,142 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:20:30,143 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:20:30,146 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:20:30,149 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:20:30,152 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:20:30,156 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:20:30,159 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:20:30,162 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:20:30,165 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:20:30,173 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:20:30,175 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:20:30,177 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:20:30,185 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:20:30,186 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:20:30,188 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:20:30,190 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:20:30,195 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:20:30,198 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:20:30,199 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:20:30,200 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:20:30,202 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:20:30,205 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:20:30,207 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:20:30,208 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:20:30,210 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:20:30,212 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:20:30,215 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:20:30,215 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:20:30,216 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:20:30,216 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:20:30,217 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:20:30,219 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:20:30,220 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:20:30,221 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-25 22:20:30,274 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:20:30,278 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:20:30,279 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:20:30,279 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:20:30,280 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:20:30,281 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:20:30,281 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:20:30,281 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:20:30,282 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:20:30,282 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 22:20:30,283 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:20:30,284 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:20:30,284 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 22:20:30,284 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 22:20:30,284 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:20:30,285 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 22:20:30,285 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 22:20:30,285 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 22:20:30,287 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:20:30,287 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:20:30,288 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:20:30,288 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:20:30,288 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:20:30,288 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:20:30,289 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:20:30,289 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:20:30,290 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:20:30,290 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:20:30,290 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:20:30,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:20:30,291 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:20:30,292 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 22:20:30,292 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:20:30,293 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:20:30,293 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 22:20:30,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 22:20:30,293 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:20:30,294 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:20:30,294 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_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00eefb20b1e97d60d3c6a842acdb225be14d327e18edfa8146d29fe131145042 [2022-11-25 22:20:30,678 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:20:30,713 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:20:30,717 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:20:30,718 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:20:30,719 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:20:30,720 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i [2022-11-25 22:20:34,183 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:20:34,850 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:20:34,850 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i [2022-11-25 22:20:34,895 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/bin/utaipan-ByfvJB40ur/data/ec300665b/11808adf4110433898e15e5a13ffdeab/FLAG28879d772 [2022-11-25 22:20:34,916 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/bin/utaipan-ByfvJB40ur/data/ec300665b/11808adf4110433898e15e5a13ffdeab [2022-11-25 22:20:34,922 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:20:34,923 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:20:34,927 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:20:34,927 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:20:34,931 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:20:34,932 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:20:34" (1/1) ... [2022-11-25 22:20:34,933 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@578add97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:20:34, skipping insertion in model container [2022-11-25 22:20:34,933 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:20:34" (1/1) ... [2022-11-25 22:20:34,941 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:20:35,074 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:20:35,411 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i[4501,4514] [2022-11-25 22:20:35,420 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i[4561,4574] [2022-11-25 22:20:36,842 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:20:36,862 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:36,863 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:36,864 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:36,865 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:36,866 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:36,870 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:20:36,885 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:36,886 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:20:36,886 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:36,889 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:36,890 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:36,893 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:36,894 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:20:36,899 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:36,900 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:36,902 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:37,023 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 22:20:37,024 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 22:20:37,032 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 22:20:37,038 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-11-25 22:20:37,040 WARN L623 FunctionHandler]: Unknown extern function htons [2022-11-25 22:20:37,041 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-11-25 22:20:37,555 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-25 22:20:37,563 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-25 22:20:37,565 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-25 22:20:37,566 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-25 22:20:37,573 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-25 22:20:37,574 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-25 22:20:37,575 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-25 22:20:37,576 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-25 22:20:37,579 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-25 22:20:37,581 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-25 22:20:37,595 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-25 22:20:37,860 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-25 22:20:37,927 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:37,930 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:20:37,933 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:20:37,935 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:20:37,937 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:37,940 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:20:37,976 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:20:37,977 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:20:37,977 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:20:37,978 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:20:37,979 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:20:37,979 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:20:38,047 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 22:20:38,068 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:38,069 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:38,069 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:38,070 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:38,070 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:38,071 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:38,072 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:38,072 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-25 22:20:38,073 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:38,073 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:38,074 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:38,074 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:38,075 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:38,075 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:38,079 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:38,080 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:38,080 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:38,081 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:38,086 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:38,086 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:38,097 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:38,098 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:38,098 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:38,116 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:20:38,152 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:20:38,175 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i[4501,4514] [2022-11-25 22:20:38,176 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i[4561,4574] [2022-11-25 22:20:38,239 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:20:38,243 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:38,244 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:38,244 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:38,245 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:38,246 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:38,248 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:20:38,257 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:38,257 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:20:38,258 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:38,259 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:38,260 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:38,261 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:38,262 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:20:38,263 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:38,263 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:38,264 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:38,273 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 22:20:38,281 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 22:20:38,283 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 22:20:38,288 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-11-25 22:20:38,298 WARN L623 FunctionHandler]: Unknown extern function htons [2022-11-25 22:20:38,299 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-11-25 22:20:38,356 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-25 22:20:38,368 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-25 22:20:38,369 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-25 22:20:38,370 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-25 22:20:38,371 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-25 22:20:38,372 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-25 22:20:38,373 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-25 22:20:38,374 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-25 22:20:38,374 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-25 22:20:38,375 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-25 22:20:38,376 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-25 22:20:38,406 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-25 22:20:38,426 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:38,428 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:20:38,431 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:20:38,432 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:20:38,434 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:38,436 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:20:38,438 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:20:38,439 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:20:38,439 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:20:38,440 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:20:38,441 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:20:38,441 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:20:38,465 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 22:20:38,472 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:38,473 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:38,473 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:38,474 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:38,474 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:38,475 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:38,475 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:38,476 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-25 22:20:38,476 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:38,477 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:38,477 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:38,478 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:38,478 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:38,478 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:38,479 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:38,480 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:38,480 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:38,481 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:38,484 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:38,484 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:38,493 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:38,494 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:38,495 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:20:38,506 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:20:38,961 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:20:38,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:20:38 WrapperNode [2022-11-25 22:20:38,963 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:20:38,965 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:20:38,966 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:20:38,966 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:20:38,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:20:38" (1/1) ... [2022-11-25 22:20:39,082 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:20:38" (1/1) ... [2022-11-25 22:20:39,161 INFO L138 Inliner]: procedures = 697, calls = 1879, calls flagged for inlining = 58, calls inlined = 17, statements flattened = 1144 [2022-11-25 22:20:39,162 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:20:39,163 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:20:39,163 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:20:39,163 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:20:39,175 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:20:38" (1/1) ... [2022-11-25 22:20:39,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:20:38" (1/1) ... [2022-11-25 22:20:39,195 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:20:38" (1/1) ... [2022-11-25 22:20:39,196 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:20:38" (1/1) ... [2022-11-25 22:20:39,271 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:20:38" (1/1) ... [2022-11-25 22:20:39,294 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:20:38" (1/1) ... [2022-11-25 22:20:39,316 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:20:38" (1/1) ... [2022-11-25 22:20:39,331 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:20:38" (1/1) ... [2022-11-25 22:20:39,352 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:20:39,357 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:20:39,358 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:20:39,358 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:20:39,359 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:20:38" (1/1) ... [2022-11-25 22:20:39,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:20:39,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:20:39,399 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:20:39,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:20:39,454 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2022-11-25 22:20:39,454 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2022-11-25 22:20:39,454 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_init_dynamic [2022-11-25 22:20:39,455 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_init_dynamic [2022-11-25 22:20:39,455 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2022-11-25 22:20:39,455 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2022-11-25 22:20:39,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 22:20:39,455 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-11-25 22:20:39,455 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-11-25 22:20:39,456 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-25 22:20:39,456 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-25 22:20:39,456 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-25 22:20:39,457 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-25 22:20:39,457 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2022-11-25 22:20:39,457 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2022-11-25 22:20:39,458 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2022-11-25 22:20:39,458 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2022-11-25 22:20:39,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 22:20:39,458 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-25 22:20:39,458 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-25 22:20:39,458 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-25 22:20:39,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-25 22:20:39,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 22:20:39,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:20:39,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 22:20:39,460 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2022-11-25 22:20:39,460 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2022-11-25 22:20:39,460 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-11-25 22:20:39,460 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-11-25 22:20:39,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:20:39,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:20:39,461 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-25 22:20:39,461 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-25 22:20:39,461 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-25 22:20:39,461 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-25 22:20:39,461 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-11-25 22:20:39,461 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-11-25 22:20:39,462 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2022-11-25 22:20:39,462 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2022-11-25 22:20:39,462 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2022-11-25 22:20:39,462 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2022-11-25 22:20:39,462 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2022-11-25 22:20:39,462 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2022-11-25 22:20:39,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 22:20:39,463 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 22:20:39,463 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-25 22:20:39,463 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-25 22:20:39,463 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-11-25 22:20:39,464 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-11-25 22:20:39,464 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2022-11-25 22:20:39,464 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2022-11-25 22:20:39,464 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2022-11-25 22:20:39,464 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2022-11-25 22:20:39,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 22:20:39,464 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2022-11-25 22:20:39,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2022-11-25 22:20:39,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 22:20:39,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 22:20:39,466 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_push_ref [2022-11-25 22:20:39,467 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_push_ref [2022-11-25 22:20:39,467 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2022-11-25 22:20:39,467 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2022-11-25 22:20:39,467 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-25 22:20:39,467 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-25 22:20:39,468 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-25 22:20:39,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-25 22:20:39,468 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2022-11-25 22:20:39,468 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2022-11-25 22:20:39,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 22:20:39,468 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-11-25 22:20:39,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-11-25 22:20:39,469 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_set_at [2022-11-25 22:20:39,469 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_set_at [2022-11-25 22:20:39,469 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2022-11-25 22:20:39,469 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2022-11-25 22:20:39,470 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-25 22:20:39,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-25 22:20:39,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 22:20:40,052 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:20:40,055 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:20:42,171 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:20:42,538 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:20:42,538 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-25 22:20:42,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:20:42 BoogieIcfgContainer [2022-11-25 22:20:42,546 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:20:42,550 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:20:42,550 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:20:42,555 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:20:42,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:20:34" (1/3) ... [2022-11-25 22:20:42,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48356631 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:20:42, skipping insertion in model container [2022-11-25 22:20:42,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:20:38" (2/3) ... [2022-11-25 22:20:42,559 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48356631 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:20:42, skipping insertion in model container [2022-11-25 22:20:42,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:20:42" (3/3) ... [2022-11-25 22:20:42,561 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_push_ref_harness.i [2022-11-25 22:20:42,585 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:20:42,588 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 22:20:42,694 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 22:20:42,710 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;@32c3b86b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 22:20:42,710 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 22:20:42,719 INFO L276 IsEmpty]: Start isEmpty. Operand has 461 states, 233 states have (on average 1.201716738197425) internal successors, (280), 236 states have internal predecessors, (280), 193 states have call successors, (193), 33 states have call predecessors, (193), 33 states have return successors, (193), 193 states have call predecessors, (193), 193 states have call successors, (193) [2022-11-25 22:20:42,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-11-25 22:20:42,744 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:20:42,745 INFO L195 NwaCegarLoop]: trace histogram [11, 3, 3, 3, 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] [2022-11-25 22:20:42,749 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:20:42,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:20:42,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1883306848, now seen corresponding path program 1 times [2022-11-25 22:20:42,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:20:42,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194214969] [2022-11-25 22:20:42,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:20:42,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:20:43,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:20:44,271 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2022-11-25 22:20:44,272 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:20:44,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194214969] [2022-11-25 22:20:44,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194214969] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 22:20:44,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2021713041] [2022-11-25 22:20:44,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:20:44,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:20:44,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:20:44,283 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:20:44,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 22:20:45,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:20:45,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 2376 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 22:20:45,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:20:45,261 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-11-25 22:20:45,261 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:20:45,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2021713041] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:20:45,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 22:20:45,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-11-25 22:20:45,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505874526] [2022-11-25 22:20:45,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:20:45,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:20:45,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:20:45,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:20:45,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-25 22:20:45,320 INFO L87 Difference]: Start difference. First operand has 461 states, 233 states have (on average 1.201716738197425) internal successors, (280), 236 states have internal predecessors, (280), 193 states have call successors, (193), 33 states have call predecessors, (193), 33 states have return successors, (193), 193 states have call predecessors, (193), 193 states have call successors, (193) Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-25 22:20:46,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:20:46,302 INFO L93 Difference]: Finished difference Result 895 states and 1358 transitions. [2022-11-25 22:20:46,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 22:20:46,309 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 123 [2022-11-25 22:20:46,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:20:46,335 INFO L225 Difference]: With dead ends: 895 [2022-11-25 22:20:46,337 INFO L226 Difference]: Without dead ends: 460 [2022-11-25 22:20:46,350 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-25 22:20:46,358 INFO L413 NwaCegarLoop]: 600 mSDtfsCounter, 18 mSDsluCounter, 1741 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 2341 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-25 22:20:46,362 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 2341 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-25 22:20:46,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2022-11-25 22:20:46,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 460. [2022-11-25 22:20:46,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 232 states have (on average 1.1896551724137931) internal successors, (276), 235 states have internal predecessors, (276), 193 states have call successors, (193), 33 states have call predecessors, (193), 33 states have return successors, (199), 191 states have call predecessors, (199), 191 states have call successors, (199) [2022-11-25 22:20:46,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 668 transitions. [2022-11-25 22:20:46,535 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 668 transitions. Word has length 123 [2022-11-25 22:20:46,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:20:46,536 INFO L495 AbstractCegarLoop]: Abstraction has 460 states and 668 transitions. [2022-11-25 22:20:46,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-25 22:20:46,536 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 668 transitions. [2022-11-25 22:20:46,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-11-25 22:20:46,549 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:20:46,550 INFO L195 NwaCegarLoop]: trace histogram [11, 4, 4, 4, 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] [2022-11-25 22:20:46,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 22:20:46,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-25 22:20:46,762 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:20:46,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:20:46,763 INFO L85 PathProgramCache]: Analyzing trace with hash 745458347, now seen corresponding path program 1 times [2022-11-25 22:20:46,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:20:46,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978843075] [2022-11-25 22:20:46,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:20:46,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:20:46,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:20:47,853 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-11-25 22:20:47,853 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:20:47,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978843075] [2022-11-25 22:20:47,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978843075] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 22:20:47,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1523157609] [2022-11-25 22:20:47,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:20:47,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:20:47,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:20:47,860 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:20:47,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 22:20:48,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:20:48,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 2426 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 22:20:48,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:20:48,841 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-11-25 22:20:48,841 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:20:48,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1523157609] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:20:48,842 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 22:20:48,842 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2022-11-25 22:20:48,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354178031] [2022-11-25 22:20:48,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:20:48,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 22:20:48,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:20:48,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 22:20:48,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2022-11-25 22:20:48,847 INFO L87 Difference]: Start difference. First operand 460 states and 668 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 4 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2022-11-25 22:20:50,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:20:50,125 INFO L93 Difference]: Finished difference Result 905 states and 1354 transitions. [2022-11-25 22:20:50,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 22:20:50,126 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 4 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 131 [2022-11-25 22:20:50,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:20:50,139 INFO L225 Difference]: With dead ends: 905 [2022-11-25 22:20:50,139 INFO L226 Difference]: Without dead ends: 473 [2022-11-25 22:20:50,142 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2022-11-25 22:20:50,143 INFO L413 NwaCegarLoop]: 568 mSDtfsCounter, 36 mSDsluCounter, 2709 mSDsCounter, 0 mSdLazyCounter, 643 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 3277 SdHoareTripleChecker+Invalid, 651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 643 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-25 22:20:50,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 3277 Invalid, 651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 643 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-25 22:20:50,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2022-11-25 22:20:50,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 471. [2022-11-25 22:20:50,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 240 states have (on average 1.1916666666666667) internal successors, (286), 243 states have internal predecessors, (286), 195 states have call successors, (195), 33 states have call predecessors, (195), 34 states have return successors, (233), 194 states have call predecessors, (233), 193 states have call successors, (233) [2022-11-25 22:20:50,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 714 transitions. [2022-11-25 22:20:50,226 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 714 transitions. Word has length 131 [2022-11-25 22:20:50,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:20:50,230 INFO L495 AbstractCegarLoop]: Abstraction has 471 states and 714 transitions. [2022-11-25 22:20:50,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 4 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2022-11-25 22:20:50,231 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 714 transitions. [2022-11-25 22:20:50,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-11-25 22:20:50,234 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:20:50,238 INFO L195 NwaCegarLoop]: trace histogram [11, 4, 4, 3, 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] [2022-11-25 22:20:50,250 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 22:20:50,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:20:50,450 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:20:50,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:20:50,451 INFO L85 PathProgramCache]: Analyzing trace with hash -743776453, now seen corresponding path program 1 times [2022-11-25 22:20:50,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:20:50,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314318800] [2022-11-25 22:20:50,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:20:50,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:20:50,575 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:20:50,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1972089512] [2022-11-25 22:20:50,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:20:50,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:20:50,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:20:50,580 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:20:50,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 22:20:51,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:20:51,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 2558 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 22:20:51,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:20:51,530 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-11-25 22:20:51,531 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:20:51,531 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:20:51,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314318800] [2022-11-25 22:20:51,532 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:20:51,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1972089512] [2022-11-25 22:20:51,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1972089512] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:20:51,532 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:20:51,532 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 22:20:51,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715573881] [2022-11-25 22:20:51,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:20:51,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 22:20:51,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:20:51,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 22:20:51,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 22:20:51,536 INFO L87 Difference]: Start difference. First operand 471 states and 714 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 4 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2022-11-25 22:20:52,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:20:52,482 INFO L93 Difference]: Finished difference Result 922 states and 1420 transitions. [2022-11-25 22:20:52,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 22:20:52,483 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 4 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) Word has length 140 [2022-11-25 22:20:52,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:20:52,488 INFO L225 Difference]: With dead ends: 922 [2022-11-25 22:20:52,488 INFO L226 Difference]: Without dead ends: 479 [2022-11-25 22:20:52,491 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-25 22:20:52,492 INFO L413 NwaCegarLoop]: 598 mSDtfsCounter, 29 mSDsluCounter, 2304 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 2902 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-25 22:20:52,492 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 2902 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 384 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-25 22:20:52,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2022-11-25 22:20:52,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 471. [2022-11-25 22:20:52,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 240 states have (on average 1.1916666666666667) internal successors, (286), 243 states have internal predecessors, (286), 195 states have call successors, (195), 33 states have call predecessors, (195), 34 states have return successors, (233), 194 states have call predecessors, (233), 193 states have call successors, (233) [2022-11-25 22:20:52,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 714 transitions. [2022-11-25 22:20:52,535 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 714 transitions. Word has length 140 [2022-11-25 22:20:52,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:20:52,536 INFO L495 AbstractCegarLoop]: Abstraction has 471 states and 714 transitions. [2022-11-25 22:20:52,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 4 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2022-11-25 22:20:52,536 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 714 transitions. [2022-11-25 22:20:52,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-11-25 22:20:52,538 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:20:52,539 INFO L195 NwaCegarLoop]: trace histogram [11, 5, 5, 4, 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, 1, 1] [2022-11-25 22:20:52,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 22:20:52,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:20:52,751 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:20:52,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:20:52,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1065458262, now seen corresponding path program 1 times [2022-11-25 22:20:52,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:20:52,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208969972] [2022-11-25 22:20:52,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:20:52,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:20:52,859 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:20:52,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [757663911] [2022-11-25 22:20:52,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:20:52,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:20:52,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:20:52,861 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:20:52,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 22:20:53,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:20:53,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 2612 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-25 22:20:53,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:20:53,887 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2022-11-25 22:20:53,887 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:20:53,887 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:20:53,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208969972] [2022-11-25 22:20:53,888 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:20:53,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [757663911] [2022-11-25 22:20:53,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [757663911] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:20:53,888 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:20:53,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 22:20:53,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903065221] [2022-11-25 22:20:53,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:20:53,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 22:20:53,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:20:53,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 22:20:53,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-25 22:20:53,892 INFO L87 Difference]: Start difference. First operand 471 states and 714 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 5 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (27), 5 states have call predecessors, (27), 5 states have call successors, (27) [2022-11-25 22:20:55,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:20:55,340 INFO L93 Difference]: Finished difference Result 924 states and 1417 transitions. [2022-11-25 22:20:55,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 22:20:55,341 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 5 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (27), 5 states have call predecessors, (27), 5 states have call successors, (27) Word has length 148 [2022-11-25 22:20:55,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:20:55,345 INFO L225 Difference]: With dead ends: 924 [2022-11-25 22:20:55,346 INFO L226 Difference]: Without dead ends: 481 [2022-11-25 22:20:55,349 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-11-25 22:20:55,349 INFO L413 NwaCegarLoop]: 566 mSDtfsCounter, 52 mSDsluCounter, 3236 mSDsCounter, 0 mSdLazyCounter, 821 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 3802 SdHoareTripleChecker+Invalid, 839 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 821 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-25 22:20:55,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 3802 Invalid, 839 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 821 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-25 22:20:55,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2022-11-25 22:20:55,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 471. [2022-11-25 22:20:55,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 240 states have (on average 1.1916666666666667) internal successors, (286), 243 states have internal predecessors, (286), 195 states have call successors, (195), 33 states have call predecessors, (195), 34 states have return successors, (233), 194 states have call predecessors, (233), 193 states have call successors, (233) [2022-11-25 22:20:55,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 714 transitions. [2022-11-25 22:20:55,389 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 714 transitions. Word has length 148 [2022-11-25 22:20:55,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:20:55,390 INFO L495 AbstractCegarLoop]: Abstraction has 471 states and 714 transitions. [2022-11-25 22:20:55,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 5 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (27), 5 states have call predecessors, (27), 5 states have call successors, (27) [2022-11-25 22:20:55,390 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 714 transitions. [2022-11-25 22:20:55,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-11-25 22:20:55,393 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:20:55,393 INFO L195 NwaCegarLoop]: trace histogram [11, 5, 5, 3, 2, 2, 2, 2, 2, 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] [2022-11-25 22:20:55,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-25 22:20:55,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:20:55,606 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:20:55,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:20:55,606 INFO L85 PathProgramCache]: Analyzing trace with hash -115711986, now seen corresponding path program 2 times [2022-11-25 22:20:55,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:20:55,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98766105] [2022-11-25 22:20:55,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:20:55,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:20:55,731 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:20:55,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [937526492] [2022-11-25 22:20:55,732 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-25 22:20:55,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:20:55,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:20:55,734 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:20:55,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-25 22:20:56,872 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-25 22:20:56,872 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 22:20:56,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 1881 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-25 22:20:56,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:20:56,938 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-11-25 22:20:56,938 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:20:56,938 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:20:56,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98766105] [2022-11-25 22:20:56,939 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:20:56,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [937526492] [2022-11-25 22:20:56,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [937526492] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:20:56,940 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:20:56,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:20:56,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783564242] [2022-11-25 22:20:56,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:20:56,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:20:56,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:20:56,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:20:56,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:20:56,943 INFO L87 Difference]: Start difference. First operand 471 states and 714 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, (30), 2 states have call predecessors, (30), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-25 22:20:58,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:20:58,278 INFO L93 Difference]: Finished difference Result 894 states and 1373 transitions. [2022-11-25 22:20:58,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 22:20:58,279 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, (30), 2 states have call predecessors, (30), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 157 [2022-11-25 22:20:58,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:20:58,285 INFO L225 Difference]: With dead ends: 894 [2022-11-25 22:20:58,285 INFO L226 Difference]: Without dead ends: 471 [2022-11-25 22:20:58,289 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:20:58,290 INFO L413 NwaCegarLoop]: 572 mSDtfsCounter, 0 mSDsluCounter, 1639 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2211 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-25 22:20:58,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2211 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-25 22:20:58,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2022-11-25 22:20:58,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 471. [2022-11-25 22:20:58,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 240 states have (on average 1.1916666666666667) internal successors, (286), 243 states have internal predecessors, (286), 195 states have call successors, (195), 33 states have call predecessors, (195), 34 states have return successors, (232), 194 states have call predecessors, (232), 193 states have call successors, (232) [2022-11-25 22:20:58,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 713 transitions. [2022-11-25 22:20:58,335 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 713 transitions. Word has length 157 [2022-11-25 22:20:58,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:20:58,336 INFO L495 AbstractCegarLoop]: Abstraction has 471 states and 713 transitions. [2022-11-25 22:20:58,336 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, (30), 2 states have call predecessors, (30), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-25 22:20:58,337 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 713 transitions. [2022-11-25 22:20:58,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-11-25 22:20:58,340 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:20:58,340 INFO L195 NwaCegarLoop]: trace histogram [11, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-25 22:20:58,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-25 22:20:58,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:20:58,551 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:20:58,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:20:58,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1614652822, now seen corresponding path program 3 times [2022-11-25 22:20:58,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:20:58,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93275951] [2022-11-25 22:20:58,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:20:58,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:20:58,678 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:20:58,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [689353009] [2022-11-25 22:20:58,679 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-25 22:20:58,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:20:58,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:20:58,680 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:20:58,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-25 22:20:59,213 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-25 22:20:59,214 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 22:20:59,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 765 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-25 22:20:59,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:20:59,313 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-11-25 22:20:59,313 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:20:59,313 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:20:59,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93275951] [2022-11-25 22:20:59,314 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:20:59,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [689353009] [2022-11-25 22:20:59,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [689353009] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:20:59,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:20:59,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 22:20:59,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116338368] [2022-11-25 22:20:59,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:20:59,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 22:20:59,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:20:59,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 22:20:59,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-25 22:20:59,319 INFO L87 Difference]: Start difference. First operand 471 states and 713 transitions. Second operand has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 8 states have internal predecessors, (65), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2022-11-25 22:21:01,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:21:01,438 INFO L93 Difference]: Finished difference Result 987 states and 1512 transitions. [2022-11-25 22:21:01,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 22:21:01,439 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 8 states have internal predecessors, (65), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) Word has length 166 [2022-11-25 22:21:01,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:21:01,445 INFO L225 Difference]: With dead ends: 987 [2022-11-25 22:21:01,445 INFO L226 Difference]: Without dead ends: 560 [2022-11-25 22:21:01,449 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-11-25 22:21:01,450 INFO L413 NwaCegarLoop]: 638 mSDtfsCounter, 100 mSDsluCounter, 3520 mSDsCounter, 0 mSdLazyCounter, 925 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 4158 SdHoareTripleChecker+Invalid, 993 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 925 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:21:01,450 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 4158 Invalid, 993 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 925 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-25 22:21:01,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2022-11-25 22:21:01,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 544. [2022-11-25 22:21:01,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 544 states, 282 states have (on average 1.2056737588652482) internal successors, (340), 287 states have internal predecessors, (340), 224 states have call successors, (224), 34 states have call predecessors, (224), 36 states have return successors, (275), 222 states have call predecessors, (275), 222 states have call successors, (275) [2022-11-25 22:21:01,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 839 transitions. [2022-11-25 22:21:01,496 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 839 transitions. Word has length 166 [2022-11-25 22:21:01,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:21:01,496 INFO L495 AbstractCegarLoop]: Abstraction has 544 states and 839 transitions. [2022-11-25 22:21:01,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 8 states have internal predecessors, (65), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2022-11-25 22:21:01,497 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 839 transitions. [2022-11-25 22:21:01,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-11-25 22:21:01,500 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:21:01,500 INFO L195 NwaCegarLoop]: trace histogram [11, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-11-25 22:21:01,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-11-25 22:21:01,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-25 22:21:01,709 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:21:01,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:21:01,710 INFO L85 PathProgramCache]: Analyzing trace with hash -898698852, now seen corresponding path program 4 times [2022-11-25 22:21:01,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:21:01,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656466768] [2022-11-25 22:21:01,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:21:01,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:21:01,845 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:21:01,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1171932560] [2022-11-25 22:21:01,846 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-25 22:21:01,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:21:01,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:21:01,848 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:21:01,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-25 22:21:02,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:21:02,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 3008 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 22:21:02,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:21:02,981 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2022-11-25 22:21:02,982 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:21:02,984 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:21:02,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656466768] [2022-11-25 22:21:02,984 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:21:02,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1171932560] [2022-11-25 22:21:02,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1171932560] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:21:02,985 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:21:02,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-25 22:21:02,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887960615] [2022-11-25 22:21:02,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:21:02,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 22:21:02,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:21:02,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 22:21:02,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-25 22:21:02,993 INFO L87 Difference]: Start difference. First operand 544 states and 839 transitions. Second operand has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 4 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2022-11-25 22:21:04,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:21:04,279 INFO L93 Difference]: Finished difference Result 930 states and 1416 transitions. [2022-11-25 22:21:04,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 22:21:04,280 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 4 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) Word has length 175 [2022-11-25 22:21:04,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:21:04,284 INFO L225 Difference]: With dead ends: 930 [2022-11-25 22:21:04,284 INFO L226 Difference]: Without dead ends: 473 [2022-11-25 22:21:04,287 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-25 22:21:04,288 INFO L413 NwaCegarLoop]: 593 mSDtfsCounter, 85 mSDsluCounter, 2753 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 3346 SdHoareTripleChecker+Invalid, 499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-25 22:21:04,289 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 3346 Invalid, 499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 440 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-25 22:21:04,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2022-11-25 22:21:04,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 473. [2022-11-25 22:21:04,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 241 states have (on average 1.1908713692946058) internal successors, (287), 245 states have internal predecessors, (287), 195 states have call successors, (195), 33 states have call predecessors, (195), 35 states have return successors, (236), 194 states have call predecessors, (236), 193 states have call successors, (236) [2022-11-25 22:21:04,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 718 transitions. [2022-11-25 22:21:04,326 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 718 transitions. Word has length 175 [2022-11-25 22:21:04,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:21:04,327 INFO L495 AbstractCegarLoop]: Abstraction has 473 states and 718 transitions. [2022-11-25 22:21:04,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 4 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2022-11-25 22:21:04,328 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 718 transitions. [2022-11-25 22:21:04,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-11-25 22:21:04,330 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:21:04,331 INFO L195 NwaCegarLoop]: trace histogram [11, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-25 22:21:04,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-25 22:21:04,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:21:04,543 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:21:04,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:21:04,544 INFO L85 PathProgramCache]: Analyzing trace with hash -1458200607, now seen corresponding path program 1 times [2022-11-25 22:21:04,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:21:04,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053238812] [2022-11-25 22:21:04,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:21:04,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:21:04,686 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:21:04,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1559964798] [2022-11-25 22:21:04,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:21:04,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:21:04,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:21:04,689 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:21:04,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-25 22:21:05,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:21:05,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 2926 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-25 22:21:05,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:21:05,834 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2022-11-25 22:21:05,834 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:21:05,834 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:21:05,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053238812] [2022-11-25 22:21:05,835 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:21:05,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1559964798] [2022-11-25 22:21:05,835 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1559964798] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:21:05,835 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:21:05,836 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-25 22:21:05,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110372707] [2022-11-25 22:21:05,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:21:05,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 22:21:05,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:21:05,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 22:21:05,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-25 22:21:05,838 INFO L87 Difference]: Start difference. First operand 473 states and 718 transitions. Second operand has 9 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 5 states have call successors, (33), 3 states have call predecessors, (33), 4 states have return successors, (30), 4 states have call predecessors, (30), 5 states have call successors, (30) [2022-11-25 22:21:07,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:21:07,529 INFO L93 Difference]: Finished difference Result 915 states and 1397 transitions. [2022-11-25 22:21:07,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 22:21:07,530 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 5 states have call successors, (33), 3 states have call predecessors, (33), 4 states have return successors, (30), 4 states have call predecessors, (30), 5 states have call successors, (30) Word has length 174 [2022-11-25 22:21:07,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:21:07,534 INFO L225 Difference]: With dead ends: 915 [2022-11-25 22:21:07,534 INFO L226 Difference]: Without dead ends: 481 [2022-11-25 22:21:07,538 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-11-25 22:21:07,540 INFO L413 NwaCegarLoop]: 561 mSDtfsCounter, 104 mSDsluCounter, 3628 mSDsCounter, 0 mSdLazyCounter, 920 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 4189 SdHoareTripleChecker+Invalid, 992 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 920 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-25 22:21:07,540 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 4189 Invalid, 992 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 920 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-25 22:21:07,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2022-11-25 22:21:07,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 479. [2022-11-25 22:21:07,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 246 states have (on average 1.1910569105691058) internal successors, (293), 249 states have internal predecessors, (293), 196 states have call successors, (196), 33 states have call predecessors, (196), 35 states have return successors, (237), 196 states have call predecessors, (237), 194 states have call successors, (237) [2022-11-25 22:21:07,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 726 transitions. [2022-11-25 22:21:07,577 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 726 transitions. Word has length 174 [2022-11-25 22:21:07,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:21:07,580 INFO L495 AbstractCegarLoop]: Abstraction has 479 states and 726 transitions. [2022-11-25 22:21:07,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 5 states have call successors, (33), 3 states have call predecessors, (33), 4 states have return successors, (30), 4 states have call predecessors, (30), 5 states have call successors, (30) [2022-11-25 22:21:07,581 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 726 transitions. [2022-11-25 22:21:07,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-11-25 22:21:07,585 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:21:07,585 INFO L195 NwaCegarLoop]: trace histogram [11, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2022-11-25 22:21:07,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-25 22:21:07,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:21:07,798 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:21:07,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:21:07,798 INFO L85 PathProgramCache]: Analyzing trace with hash -1086080155, now seen corresponding path program 2 times [2022-11-25 22:21:07,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:21:07,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114739216] [2022-11-25 22:21:07,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:21:07,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:21:07,909 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:21:07,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [954779201] [2022-11-25 22:21:07,910 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-25 22:21:07,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:21:07,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:21:07,912 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:21:07,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b85861-a7ad-43ec-8845-bfe06b1f4ef7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-25 22:21:08,765 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-25 22:21:08,765 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 22:21:08,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 2013 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-25 22:21:08,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:21:08,925 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2022-11-25 22:21:08,926 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 22:21:09,439 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 30 proven. 3 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2022-11-25 22:21:09,439 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:21:09,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114739216] [2022-11-25 22:21:09,439 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:21:09,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [954779201] [2022-11-25 22:21:09,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [954779201] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 22:21:09,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [768337562] [2022-11-25 22:21:09,479 INFO L159 IcfgInterpreter]: Started Sifa with 90 locations of interest [2022-11-25 22:21:09,479 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 22:21:09,486 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 22:21:09,493 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 22:21:09,494 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 22:21:14,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:21:14,890 INFO L217 Elim1Store]: Index analysis took 603 ms [2022-11-25 22:21:35,518 WARN L233 SmtUtils]: Spent 20.54s on a formula simplification. DAG size of input: 1758 DAG size of output: 1169 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 22:21:35,527 INFO L321 Elim1Store]: treesize reduction 1958, result has 47.2 percent of original size [2022-11-25 22:21:35,533 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 196 select indices, 196 select index equivalence classes, 19112 disjoint index pairs (out of 19110 index pairs), introduced 196 new quantified variables, introduced 195 case distinctions, treesize of input 987 treesize of output 2346 [2022-11-25 22:21:39,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:21:40,320 INFO L217 Elim1Store]: Index analysis took 977 ms [2022-11-25 22:22:08,396 WARN L233 SmtUtils]: Spent 28.01s on a formula simplification. DAG size of input: 2150 DAG size of output: 1173 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 22:22:08,399 INFO L321 Elim1Store]: treesize reduction 3510, result has 33.3 percent of original size [2022-11-25 22:22:08,401 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 198 select indices, 198 select index equivalence classes, 19308 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 390 case distinctions, treesize of input 997 treesize of output 2365 [2022-11-25 22:23:53,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:53,536 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 [2022-11-25 22:23:53,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:53,544 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 [2022-11-25 22:23:53,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:53,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:53,556 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 [2022-11-25 22:23:53,566 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 [2022-11-25 22:23:57,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:57,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:57,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:57,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:58,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:58,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:58,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:58,148 INFO L217 Elim1Store]: Index analysis took 252 ms [2022-11-25 22:23:58,187 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-11-25 22:23:58,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:58,846 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 [2022-11-25 22:23:59,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:59,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:59,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:59,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:59,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:59,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:59,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:59,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:59,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:59,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:59,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:59,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:59,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:59,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:59,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:59,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:59,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:59,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:59,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:59,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:59,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:59,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:59,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:59,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:59,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:59,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:59,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:59,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:59,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:59,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:59,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:59,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:59,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:59,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:59,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:59,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:59,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:59,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:59,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:59,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:59,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:59,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:59,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:59,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:59,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:59,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:59,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:59,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:59,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:59,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:59,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:59,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:59,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:59,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:59,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:59,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:59,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:59,385 INFO L217 Elim1Store]: Index analysis took 105 ms [2022-11-25 22:23:59,398 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 57 select indices, 57 select index equivalence classes, 1055 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 0 case distinctions, treesize of input 588 treesize of output 260 [2022-11-25 22:23:59,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:23:59,926 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19307 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 0 case distinctions, treesize of input 986 treesize of output 592 [2022-11-25 22:24:00,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:00,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:00,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:00,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:00,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:00,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:00,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:00,560 INFO L217 Elim1Store]: Index analysis took 108 ms [2022-11-25 22:24:00,591 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-11-25 22:24:09,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,197 INFO L217 Elim1Store]: Index analysis took 120 ms [2022-11-25 22:24:09,203 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 57 select indices, 57 select index equivalence classes, 1055 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 0 case distinctions, treesize of input 588 treesize of output 260 [2022-11-25 22:24:09,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:09,771 INFO L217 Elim1Store]: Index analysis took 123 ms [2022-11-25 22:24:09,802 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-11-25 22:24:10,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:10,424 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 [2022-11-25 22:24:11,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:11,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:11,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:11,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:11,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:11,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:11,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:11,204 INFO L217 Elim1Store]: Index analysis took 122 ms [2022-11-25 22:24:11,237 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-11-25 22:24:11,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:24:11,759 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19307 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 0 case distinctions, treesize of input 986 treesize of output 592 [2022-11-25 22:24:30,954 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 [2022-11-25 22:24:31,008 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 [2022-11-25 22:24:31,182 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 [2022-11-25 22:24:31,453 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 [2022-11-25 22:24:31,520 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 [2022-11-25 22:24:31,703 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 [2022-11-25 22:24:49,087 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 [2022-11-25 22:24:49,191 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 [2022-11-25 22:24:49,257 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 [2022-11-25 22:24:49,646 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 [2022-11-25 22:24:49,753 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 [2022-11-25 22:24:49,812 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 [2022-11-25 22:24:52,615 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2171 treesize of output 2161 [2022-11-25 22:24:53,125 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2171 treesize of output 2161 [2022-11-25 22:24:53,653 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2175 treesize of output 2154 [2022-11-25 22:24:55,031 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 [2022-11-25 22:25:10,572 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 [2022-11-25 22:25:10,581 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 [2022-11-25 22:25:10,612 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 [2022-11-25 22:25:10,626 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 [2022-11-25 22:25:10,664 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 [2022-11-25 22:25:10,672 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 [2022-11-25 22:25:10,679 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 [2022-11-25 22:25:10,688 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 [2022-11-25 22:25:10,724 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 [2022-11-25 22:25:10,730 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 [2022-11-25 22:25:10,759 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:25:10,759 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 [2022-11-25 22:25:10,818 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:25:10,819 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 [2022-11-25 22:25:10,833 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 [2022-11-25 22:25:10,841 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 [2022-11-25 22:25:10,893 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 [2022-11-25 22:25:11,034 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 [2022-11-25 22:25:11,038 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 [2022-11-25 22:25:11,052 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 [2022-11-25 22:25:11,056 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 23 treesize of output 19 [2022-11-25 22:25:13,069 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2167 treesize of output 2139 [2022-11-25 22:25:13,403 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 2143 treesize of output 2115 [2022-11-25 22:25:13,612 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 2111 treesize of output 2087 [2022-11-25 22:25:32,616 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2167 treesize of output 2139 [2022-11-25 22:25:32,916 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2135 treesize of output 2111 [2022-11-25 22:25:33,027 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2119 treesize of output 2091 [2022-11-25 22:26:37,995 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_bounded with input of size 2895 for LOIs [2022-11-25 22:26:54,087 INFO L197 IcfgInterpreter]: Interpreting procedure aws_priority_queue_is_valid with input of size 693 for LOIs [2022-11-25 22:27:00,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:00,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:00,284 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:27:00,312 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-25 22:27:00,313 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1943 treesize of output 1903 [2022-11-25 22:27:00,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:00,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:00,516 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:27:00,544 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-25 22:27:00,546 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1899 treesize of output 1859 [2022-11-25 22:27:00,772 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1855 treesize of output 1831 [2022-11-25 22:27:06,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:06,835 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:27:06,861 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-25 22:27:06,862 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1943 treesize of output 1903 [2022-11-25 22:27:07,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:07,069 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:27:07,095 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-25 22:27:07,096 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1899 treesize of output 1859 [2022-11-25 22:27:07,298 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1855 treesize of output 1831 [2022-11-25 22:27:12,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:12,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:12,931 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:27:12,957 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-25 22:27:12,959 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1943 treesize of output 1903 [2022-11-25 22:27:13,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:13,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:27:13,149 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:27:13,176 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-25 22:27:13,178 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1899 treesize of output 1859 [2022-11-25 22:27:13,371 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1855 treesize of output 1831 [2022-11-25 22:27:15,997 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_valid with input of size 743 for LOIs [2022-11-25 22:27:21,932 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1928 treesize of output 1928 [2022-11-25 22:27:22,046 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1922 treesize of output 1918 [2022-11-25 22:27:32,430 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1928 treesize of output 1928 [2022-11-25 22:27:32,566 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1922 treesize of output 1918 [2022-11-25 22:27:41,746 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 [2022-11-25 22:27:43,360 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1928 treesize of output 1928 [2022-11-25 22:27:43,503 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1922 treesize of output 1918 [2022-11-25 22:27:48,448 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 726 for LOIs [2022-11-25 22:28:09,113 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 715 for LOIs [2022-11-25 22:28:10,961 INFO L197 IcfgInterpreter]: Interpreting procedure ensure_array_list_has_allocated_data_member with input of size 2963 for LOIs [2022-11-25 22:29:42,636 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 22:29:42,649 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-25 22:29:42,684 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 [2022-11-25 22:29:42,695 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 [2022-11-25 22:30:06,936 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_allocator with input of size 45 for LOIs [2022-11-25 22:30:06,940 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 70 for LOIs [2022-11-25 22:30:06,948 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_malloc with input of size 91 for LOIs [2022-11-25 22:30:07,429 INFO L197 IcfgInterpreter]: Interpreting procedure nondet_bool with input of size 43 for LOIs [2022-11-25 22:30:07,432 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 22:32:51,520 WARN L233 SmtUtils]: Spent 2.73m on a formula simplification. DAG size of input: 2825 DAG size of output: 2437 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)