./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_get_at_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_5e5d6009-863a-409d-8259-63545b4d8320/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5d6009-863a-409d-8259-63545b4d8320/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_5e5d6009-863a-409d-8259-63545b4d8320/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5d6009-863a-409d-8259-63545b4d8320/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5d6009-863a-409d-8259-63545b4d8320/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_5e5d6009-863a-409d-8259-63545b4d8320/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 4074842a6d6900f214884b5b0ef94aa1b36f37c81b70cefd0198f88d1e717beb --- 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 [2022-11-26 00:35:23,367 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:35:23,369 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:35:23,393 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:35:23,393 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:35:23,395 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:35:23,396 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:35:23,399 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:35:23,401 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:35:23,402 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:35:23,403 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:35:23,405 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:35:23,405 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:35:23,407 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:35:23,408 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:35:23,410 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:35:23,412 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:35:23,413 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:35:23,415 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:35:23,418 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:35:23,420 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:35:23,422 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:35:23,424 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:35:23,425 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:35:23,430 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:35:23,431 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:35:23,431 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:35:23,433 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:35:23,433 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:35:23,435 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:35:23,435 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:35:23,436 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:35:23,437 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:35:23,439 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:35:23,440 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:35:23,441 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:35:23,442 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:35:23,443 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:35:23,443 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:35:23,445 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:35:23,446 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:35:23,447 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5d6009-863a-409d-8259-63545b4d8320/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-26 00:35:23,478 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:35:23,479 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:35:23,479 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:35:23,480 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:35:23,481 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:35:23,481 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:35:23,481 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:35:23,482 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:35:23,482 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:35:23,483 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:35:23,483 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:35:23,483 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:35:23,484 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:35:23,484 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:35:23,485 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:35:23,485 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:35:23,485 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:35:23,486 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:35:23,487 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:35:23,487 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:35:23,487 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:35:23,488 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:35:23,488 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:35:23,489 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:35:23,489 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:35:23,489 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:35:23,491 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:35:23,492 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:35:23,492 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:35:23,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:35:23,494 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:35:23,494 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:35:23,495 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:35:23,495 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:35:23,495 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:35:23,496 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:35:23,497 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:35:23,497 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:35:23,498 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_5e5d6009-863a-409d-8259-63545b4d8320/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5d6009-863a-409d-8259-63545b4d8320/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4074842a6d6900f214884b5b0ef94aa1b36f37c81b70cefd0198f88d1e717beb [2022-11-26 00:35:23,823 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:35:23,859 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:35:23,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:35:23,864 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:35:23,865 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:35:23,866 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5d6009-863a-409d-8259-63545b4d8320/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i [2022-11-26 00:35:27,125 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:35:27,618 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:35:27,619 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5d6009-863a-409d-8259-63545b4d8320/sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i [2022-11-26 00:35:27,651 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5d6009-863a-409d-8259-63545b4d8320/bin/utaipan-ByfvJB40ur/data/de6e6b665/29abcc45f89b4f5cb46c59f9562dac34/FLAG47c8a1d40 [2022-11-26 00:35:27,667 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5d6009-863a-409d-8259-63545b4d8320/bin/utaipan-ByfvJB40ur/data/de6e6b665/29abcc45f89b4f5cb46c59f9562dac34 [2022-11-26 00:35:27,670 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:35:27,671 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:35:27,673 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:35:27,673 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:35:27,677 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:35:27,677 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:35:27" (1/1) ... [2022-11-26 00:35:27,679 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52328d9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:35:27, skipping insertion in model container [2022-11-26 00:35:27,679 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:35:27" (1/1) ... [2022-11-26 00:35:27,687 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:35:27,783 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:35:28,092 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_5e5d6009-863a-409d-8259-63545b4d8320/sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i[4495,4508] [2022-11-26 00:35:28,102 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_5e5d6009-863a-409d-8259-63545b4d8320/sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i[4555,4568] [2022-11-26 00:35:29,099 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-26 00:35:29,192 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:35:29,198 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:35:29,199 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:35:29,200 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:35:29,201 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:35:29,202 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:35:29,205 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:35:29,217 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:35:29,217 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:35:29,218 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:35:29,220 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:35:29,221 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:35:29,223 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:35:29,224 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:35:29,225 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:35:29,226 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:35:29,226 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:35:29,370 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:35:29,374 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:35:29,376 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:35:29,387 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-11-26 00:35:29,390 WARN L623 FunctionHandler]: Unknown extern function htons [2022-11-26 00:35:29,391 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-11-26 00:35:29,744 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-26 00:35:29,750 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-26 00:35:29,753 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-26 00:35:29,757 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-26 00:35:29,761 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-26 00:35:29,766 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-26 00:35:29,768 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-26 00:35:29,770 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-26 00:35:29,771 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-26 00:35:29,780 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-26 00:35:29,780 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-26 00:35:29,969 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:35:29,973 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:35:29,989 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:35:29,991 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:35:29,995 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:35:30,005 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:35:30,011 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:35:30,024 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:35:30,025 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:35:30,026 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:35:30,027 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:35:30,027 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:35:30,091 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-26 00:35:30,097 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:35:30,098 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:35:30,101 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:35:30,145 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:35:30,163 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_5e5d6009-863a-409d-8259-63545b4d8320/sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i[4495,4508] [2022-11-26 00:35:30,164 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_5e5d6009-863a-409d-8259-63545b4d8320/sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i[4555,4568] [2022-11-26 00:35:30,203 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-26 00:35:30,215 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:35:30,218 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:35:30,218 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:35:30,219 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:35:30,219 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:35:30,220 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:35:30,221 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:35:30,226 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:35:30,227 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:35:30,227 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:35:30,228 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:35:30,229 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:35:30,230 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:35:30,230 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:35:30,231 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:35:30,231 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:35:30,232 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:35:30,239 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:35:30,240 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:35:30,241 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:35:30,244 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-11-26 00:35:30,246 WARN L623 FunctionHandler]: Unknown extern function htons [2022-11-26 00:35:30,247 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-11-26 00:35:30,272 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-26 00:35:30,273 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-26 00:35:30,274 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-26 00:35:30,275 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-26 00:35:30,276 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-26 00:35:30,277 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-26 00:35:30,278 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-26 00:35:30,279 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-26 00:35:30,279 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-26 00:35:30,280 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-26 00:35:30,280 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-26 00:35:30,313 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:35:30,316 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:35:30,318 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:35:30,319 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:35:30,320 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:35:30,322 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:35:30,323 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:35:30,324 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:35:30,324 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:35:30,325 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:35:30,325 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:35:30,326 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:35:30,343 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-26 00:35:30,346 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:35:30,347 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:35:30,347 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:35:30,529 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:35:30,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:35:30 WrapperNode [2022-11-26 00:35:30,530 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:35:30,531 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:35:30,531 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:35:30,532 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:35:30,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:35:30" (1/1) ... [2022-11-26 00:35:30,624 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:35:30" (1/1) ... [2022-11-26 00:35:30,723 INFO L138 Inliner]: procedures = 691, calls = 1681, calls flagged for inlining = 53, calls inlined = 9, statements flattened = 654 [2022-11-26 00:35:30,723 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:35:30,724 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:35:30,724 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:35:30,725 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:35:30,742 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:35:30" (1/1) ... [2022-11-26 00:35:30,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:35:30" (1/1) ... [2022-11-26 00:35:30,764 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:35:30" (1/1) ... [2022-11-26 00:35:30,765 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:35:30" (1/1) ... [2022-11-26 00:35:30,816 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:35:30" (1/1) ... [2022-11-26 00:35:30,832 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:35:30" (1/1) ... [2022-11-26 00:35:30,843 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:35:30" (1/1) ... [2022-11-26 00:35:30,852 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:35:30" (1/1) ... [2022-11-26 00:35:30,865 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:35:30,872 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:35:30,873 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:35:30,873 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:35:30,874 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:35:30" (1/1) ... [2022-11-26 00:35:30,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:35:30,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5d6009-863a-409d-8259-63545b4d8320/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:35:30,906 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5d6009-863a-409d-8259-63545b4d8320/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:35:30,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5d6009-863a-409d-8259-63545b4d8320/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:35:30,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:35:30,961 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-11-26 00:35:30,962 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-11-26 00:35:30,962 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-26 00:35:30,962 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-26 00:35:30,962 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-26 00:35:30,962 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-26 00:35:30,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:35:30,964 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-26 00:35:30,967 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-26 00:35:30,968 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-26 00:35:30,968 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-26 00:35:30,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:35:30,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:35:30,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:35:30,971 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-11-26 00:35:30,971 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-11-26 00:35:30,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:35:30,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:35:30,978 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-26 00:35:30,979 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-26 00:35:30,979 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-11-26 00:35:30,979 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-11-26 00:35:30,979 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-26 00:35:30,979 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-26 00:35:30,980 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-11-26 00:35:30,980 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-11-26 00:35:30,980 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2022-11-26 00:35:30,980 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2022-11-26 00:35:30,980 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-26 00:35:30,981 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-26 00:35:30,981 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-11-26 00:35:30,981 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-11-26 00:35:30,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:35:30,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:35:30,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-26 00:35:30,982 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-26 00:35:30,982 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-26 00:35:30,982 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-26 00:35:30,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-26 00:35:30,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:35:30,983 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-11-26 00:35:30,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-11-26 00:35:30,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:35:31,388 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:35:31,391 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:35:32,651 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:35:32,873 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:35:32,874 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-26 00:35:32,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:35:32 BoogieIcfgContainer [2022-11-26 00:35:32,877 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:35:32,882 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:35:32,882 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:35:32,886 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:35:32,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:35:27" (1/3) ... [2022-11-26 00:35:32,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4efa122a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:35:32, skipping insertion in model container [2022-11-26 00:35:32,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:35:30" (2/3) ... [2022-11-26 00:35:32,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4efa122a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:35:32, skipping insertion in model container [2022-11-26 00:35:32,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:35:32" (3/3) ... [2022-11-26 00:35:32,891 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_get_at_harness.i [2022-11-26 00:35:32,913 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:35:32,914 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-26 00:35:32,985 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:35:33,000 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;@14020791, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:35:33,000 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-26 00:35:33,005 INFO L276 IsEmpty]: Start isEmpty. Operand has 147 states, 77 states have (on average 1.1818181818181819) internal successors, (91), 78 states have internal predecessors, (91), 52 states have call successors, (52), 16 states have call predecessors, (52), 16 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-11-26 00:35:33,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-26 00:35:33,022 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:35:33,023 INFO L195 NwaCegarLoop]: trace histogram [10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:35:33,023 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:35:33,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:35:33,029 INFO L85 PathProgramCache]: Analyzing trace with hash -1567106202, now seen corresponding path program 1 times [2022-11-26 00:35:33,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:35:33,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226161027] [2022-11-26 00:35:33,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:35:33,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:35:33,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:35:34,282 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-11-26 00:35:34,282 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:35:34,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226161027] [2022-11-26 00:35:34,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226161027] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:35:34,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1964169262] [2022-11-26 00:35:34,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:35:34,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:35:34,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5d6009-863a-409d-8259-63545b4d8320/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:35:34,289 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5d6009-863a-409d-8259-63545b4d8320/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:35:34,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5d6009-863a-409d-8259-63545b4d8320/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:35:34,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:35:35,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 2216 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-26 00:35:35,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:35:35,173 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2022-11-26 00:35:35,181 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:35:35,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1964169262] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:35:35,181 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 00:35:35,182 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-11-26 00:35:35,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284124524] [2022-11-26 00:35:35,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:35:35,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:35:35,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:35:35,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:35:35,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:35:35,255 INFO L87 Difference]: Start difference. First operand has 147 states, 77 states have (on average 1.1818181818181819) internal successors, (91), 78 states have internal predecessors, (91), 52 states have call successors, (52), 16 states have call predecessors, (52), 16 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-26 00:35:35,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:35:35,905 INFO L93 Difference]: Finished difference Result 271 states and 380 transitions. [2022-11-26 00:35:35,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:35:35,908 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 95 [2022-11-26 00:35:35,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:35:35,925 INFO L225 Difference]: With dead ends: 271 [2022-11-26 00:35:35,926 INFO L226 Difference]: Without dead ends: 143 [2022-11-26 00:35:35,936 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:35:35,943 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 38 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:35:35,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 548 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-26 00:35:35,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2022-11-26 00:35:36,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2022-11-26 00:35:36,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 74 states have (on average 1.135135135135135) internal successors, (84), 76 states have internal predecessors, (84), 52 states have call successors, (52), 16 states have call predecessors, (52), 16 states have return successors, (55), 50 states have call predecessors, (55), 50 states have call successors, (55) [2022-11-26 00:35:36,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 191 transitions. [2022-11-26 00:35:36,035 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 191 transitions. Word has length 95 [2022-11-26 00:35:36,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:35:36,035 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 191 transitions. [2022-11-26 00:35:36,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-26 00:35:36,036 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 191 transitions. [2022-11-26 00:35:36,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-26 00:35:36,049 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:35:36,049 INFO L195 NwaCegarLoop]: trace histogram [10, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:35:36,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5d6009-863a-409d-8259-63545b4d8320/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-26 00:35:36,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5d6009-863a-409d-8259-63545b4d8320/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-26 00:35:36,259 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:35:36,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:35:36,260 INFO L85 PathProgramCache]: Analyzing trace with hash 23579164, now seen corresponding path program 1 times [2022-11-26 00:35:36,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:35:36,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55133029] [2022-11-26 00:35:36,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:35:36,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:35:36,442 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:35:36,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2033093492] [2022-11-26 00:35:36,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:35:36,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:35:36,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5d6009-863a-409d-8259-63545b4d8320/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:35:36,460 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5d6009-863a-409d-8259-63545b4d8320/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:35:36,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5d6009-863a-409d-8259-63545b4d8320/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 00:35:37,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:35:37,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 2480 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-26 00:35:37,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:35:37,297 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2022-11-26 00:35:37,297 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:35:37,298 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:35:37,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55133029] [2022-11-26 00:35:37,300 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:35:37,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2033093492] [2022-11-26 00:35:37,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2033093492] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:35:37,301 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:35:37,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-26 00:35:37,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631356078] [2022-11-26 00:35:37,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:35:37,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:35:37,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:35:37,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:35:37,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:35:37,307 INFO L87 Difference]: Start difference. First operand 143 states and 191 transitions. Second operand has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2022-11-26 00:35:37,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:35:37,956 INFO L93 Difference]: Finished difference Result 232 states and 309 transitions. [2022-11-26 00:35:37,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:35:37,957 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 113 [2022-11-26 00:35:37,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:35:37,959 INFO L225 Difference]: With dead ends: 232 [2022-11-26 00:35:37,959 INFO L226 Difference]: Without dead ends: 143 [2022-11-26 00:35:37,960 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:35:37,962 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 50 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 619 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:35:37,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 619 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-26 00:35:37,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2022-11-26 00:35:37,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2022-11-26 00:35:37,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 74 states have (on average 1.135135135135135) internal successors, (84), 76 states have internal predecessors, (84), 52 states have call successors, (52), 16 states have call predecessors, (52), 16 states have return successors, (52), 50 states have call predecessors, (52), 50 states have call successors, (52) [2022-11-26 00:35:37,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 188 transitions. [2022-11-26 00:35:37,979 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 188 transitions. Word has length 113 [2022-11-26 00:35:37,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:35:37,979 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 188 transitions. [2022-11-26 00:35:37,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2022-11-26 00:35:37,980 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 188 transitions. [2022-11-26 00:35:37,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-11-26 00:35:37,981 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:35:37,982 INFO L195 NwaCegarLoop]: trace histogram [10, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:35:38,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5d6009-863a-409d-8259-63545b4d8320/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-26 00:35:38,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5d6009-863a-409d-8259-63545b4d8320/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:35:38,192 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:35:38,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:35:38,193 INFO L85 PathProgramCache]: Analyzing trace with hash 1573107243, now seen corresponding path program 2 times [2022-11-26 00:35:38,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:35:38,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673421520] [2022-11-26 00:35:38,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:35:38,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:35:38,351 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:35:38,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1641768631] [2022-11-26 00:35:38,354 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-26 00:35:38,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:35:38,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5d6009-863a-409d-8259-63545b4d8320/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:35:38,355 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5d6009-863a-409d-8259-63545b4d8320/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:35:38,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5d6009-863a-409d-8259-63545b4d8320/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-26 00:35:39,212 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-26 00:35:39,213 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-26 00:35:39,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 1839 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-26 00:35:39,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:35:39,267 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2022-11-26 00:35:39,267 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:35:39,267 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:35:39,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673421520] [2022-11-26 00:35:39,267 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:35:39,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1641768631] [2022-11-26 00:35:39,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1641768631] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:35:39,268 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:35:39,268 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:35:39,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795258259] [2022-11-26 00:35:39,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:35:39,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:35:39,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:35:39,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:35:39,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:35:39,270 INFO L87 Difference]: Start difference. First operand 143 states and 188 transitions. Second operand has 5 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-26 00:35:39,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:35:39,888 INFO L93 Difference]: Finished difference Result 223 states and 290 transitions. [2022-11-26 00:35:39,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:35:39,890 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 122 [2022-11-26 00:35:39,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:35:39,892 INFO L225 Difference]: With dead ends: 223 [2022-11-26 00:35:39,892 INFO L226 Difference]: Without dead ends: 143 [2022-11-26 00:35:39,892 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:35:39,893 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 0 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 579 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:35:39,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 579 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-26 00:35:39,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2022-11-26 00:35:39,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2022-11-26 00:35:39,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 74 states have (on average 1.135135135135135) internal successors, (84), 76 states have internal predecessors, (84), 52 states have call successors, (52), 16 states have call predecessors, (52), 16 states have return successors, (51), 50 states have call predecessors, (51), 50 states have call successors, (51) [2022-11-26 00:35:39,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 187 transitions. [2022-11-26 00:35:39,920 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 187 transitions. Word has length 122 [2022-11-26 00:35:39,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:35:39,921 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 187 transitions. [2022-11-26 00:35:39,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-26 00:35:39,921 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 187 transitions. [2022-11-26 00:35:39,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-11-26 00:35:39,924 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:35:39,924 INFO L195 NwaCegarLoop]: trace histogram [10, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:35:39,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5d6009-863a-409d-8259-63545b4d8320/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-26 00:35:40,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5d6009-863a-409d-8259-63545b4d8320/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:35:40,139 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:35:40,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:35:40,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1564050084, now seen corresponding path program 3 times [2022-11-26 00:35:40,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:35:40,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331856191] [2022-11-26 00:35:40,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:35:40,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:35:40,275 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:35:40,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1266014260] [2022-11-26 00:35:40,275 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-26 00:35:40,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:35:40,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5d6009-863a-409d-8259-63545b4d8320/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:35:40,277 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5d6009-863a-409d-8259-63545b4d8320/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:35:40,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5d6009-863a-409d-8259-63545b4d8320/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-26 00:35:41,068 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-26 00:35:41,068 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-26 00:35:41,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 2744 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-26 00:35:41,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:35:41,237 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2022-11-26 00:35:41,238 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:35:41,238 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:35:41,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331856191] [2022-11-26 00:35:41,238 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:35:41,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1266014260] [2022-11-26 00:35:41,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1266014260] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:35:41,239 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:35:41,239 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-26 00:35:41,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157670884] [2022-11-26 00:35:41,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:35:41,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-26 00:35:41,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:35:41,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-26 00:35:41,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:35:41,243 INFO L87 Difference]: Start difference. First operand 143 states and 187 transitions. Second operand has 8 states, 8 states have (on average 5.0) internal successors, (40), 7 states have internal predecessors, (40), 5 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (22), 5 states have call predecessors, (22), 4 states have call successors, (22) [2022-11-26 00:35:42,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:35:42,040 INFO L93 Difference]: Finished difference Result 220 states and 283 transitions. [2022-11-26 00:35:42,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-26 00:35:42,041 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 7 states have internal predecessors, (40), 5 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (22), 5 states have call predecessors, (22), 4 states have call successors, (22) Word has length 131 [2022-11-26 00:35:42,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:35:42,043 INFO L225 Difference]: With dead ends: 220 [2022-11-26 00:35:42,043 INFO L226 Difference]: Without dead ends: 141 [2022-11-26 00:35:42,044 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:35:42,046 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 53 mSDsluCounter, 723 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 869 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:35:42,046 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 869 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-26 00:35:42,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2022-11-26 00:35:42,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2022-11-26 00:35:42,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 73 states have (on average 1.1232876712328768) internal successors, (82), 74 states have internal predecessors, (82), 52 states have call successors, (52), 16 states have call predecessors, (52), 15 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2022-11-26 00:35:42,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 184 transitions. [2022-11-26 00:35:42,063 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 184 transitions. Word has length 131 [2022-11-26 00:35:42,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:35:42,064 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 184 transitions. [2022-11-26 00:35:42,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 7 states have internal predecessors, (40), 5 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (22), 5 states have call predecessors, (22), 4 states have call successors, (22) [2022-11-26 00:35:42,064 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 184 transitions. [2022-11-26 00:35:42,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-11-26 00:35:42,066 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:35:42,066 INFO L195 NwaCegarLoop]: trace histogram [10, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:35:42,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5d6009-863a-409d-8259-63545b4d8320/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-26 00:35:42,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5d6009-863a-409d-8259-63545b4d8320/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:35:42,279 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:35:42,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:35:42,280 INFO L85 PathProgramCache]: Analyzing trace with hash -1367744773, now seen corresponding path program 1 times [2022-11-26 00:35:42,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:35:42,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949346025] [2022-11-26 00:35:42,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:35:42,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:35:42,422 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:35:42,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [144573166] [2022-11-26 00:35:42,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:35:42,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:35:42,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5d6009-863a-409d-8259-63545b4d8320/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:35:42,425 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5d6009-863a-409d-8259-63545b4d8320/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:35:42,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e5d6009-863a-409d-8259-63545b4d8320/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-26 00:35:43,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:35:43,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 2876 conjuncts, 56 conjunts are in the unsatisfiable core [2022-11-26 00:35:43,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:35:43,515 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 117 proven. 6 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2022-11-26 00:35:43,516 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:35:44,221 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2022-11-26 00:35:44,221 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:35:44,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949346025] [2022-11-26 00:35:44,222 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:35:44,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [144573166] [2022-11-26 00:35:44,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [144573166] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:35:44,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1433639997] [2022-11-26 00:35:44,249 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2022-11-26 00:35:44,249 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:35:44,254 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:35:44,260 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:35:44,261 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:35:48,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:48,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:48,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:35:48,935 INFO L217 Elim1Store]: Index analysis took 474 ms [2022-11-26 00:36:07,358 WARN L233 SmtUtils]: Spent 18.34s on a formula simplification. DAG size of input: 1740 DAG size of output: 1157 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 00:36:07,369 INFO L321 Elim1Store]: treesize reduction 1938, result has 47.2 percent of original size [2022-11-26 00:36:07,375 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 196 select indices, 196 select index equivalence classes, 19114 disjoint index pairs (out of 19110 index pairs), introduced 196 new quantified variables, introduced 193 case distinctions, treesize of input 987 treesize of output 2338 [2022-11-26 00:36:10,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:36:10,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:36:11,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:36:11,221 INFO L217 Elim1Store]: Index analysis took 670 ms [2022-11-26 00:36:39,539 WARN L233 SmtUtils]: Spent 28.26s on a formula simplification. DAG size of input: 2128 DAG size of output: 1161 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 00:36:39,543 INFO L321 Elim1Store]: treesize reduction 3474, result has 33.3 percent of original size [2022-11-26 00:36:39,547 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 198 select indices, 198 select index equivalence classes, 19310 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 386 case distinctions, treesize of input 997 treesize of output 2357 [2022-11-26 00:37:45,914 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 [2022-11-26 00:37:45,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:45,921 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 [2022-11-26 00:37:45,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:45,927 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 [2022-11-26 00:37:45,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:45,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:45,937 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 [2022-11-26 00:37:49,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:49,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:49,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:49,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:49,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:49,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:49,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:49,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:49,750 INFO L217 Elim1Store]: Index analysis took 150 ms [2022-11-26 00:37:49,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:49,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:49,767 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:37:49,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:49,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:49,779 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:37:49,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:49,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:49,845 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-26 00:37:49,849 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 195 select indices, 195 select index equivalence classes, 17054 disjoint index pairs (out of 18915 index pairs), introduced 195 new quantified variables, introduced 18 case distinctions, treesize of input 1752 treesize of output 586 [2022-11-26 00:37:50,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:50,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:50,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:50,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:50,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:50,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:50,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:50,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:50,528 INFO L217 Elim1Store]: Index analysis took 137 ms [2022-11-26 00:37:50,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:50,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:50,541 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:37:50,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:50,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:50,551 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:37:50,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:50,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:50,634 INFO L321 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-11-26 00:37:50,639 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 195 select indices, 195 select index equivalence classes, 17054 disjoint index pairs (out of 18915 index pairs), introduced 195 new quantified variables, introduced 18 case distinctions, treesize of input 1752 treesize of output 594 [2022-11-26 00:37:51,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:51,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:51,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:51,210 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19309 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 0 case distinctions, treesize of input 986 treesize of output 592 [2022-11-26 00:37:51,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:51,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:51,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:51,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:51,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:51,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:51,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:51,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:51,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:51,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:51,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:51,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:51,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:51,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:51,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:51,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:51,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:51,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:51,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:51,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:51,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:51,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:51,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:51,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:51,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:51,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:51,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:51,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:51,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:51,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:51,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:51,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:51,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:51,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:51,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:51,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:51,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:51,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:51,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:51,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:51,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:51,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:51,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:51,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:51,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:51,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:51,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:51,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:51,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:51,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:51,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:51,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:51,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:51,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:51,689 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 55 select indices, 55 select index equivalence classes, 1243 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 0 case distinctions, treesize of input 644 treesize of output 304 [2022-11-26 00:37:52,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:52,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:52,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:37:52,142 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19505 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 [2022-11-26 00:38:01,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,279 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:38:01,280 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 55 select indices, 55 select index equivalence classes, 1245 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 4 case distinctions, treesize of input 644 treesize of output 304 [2022-11-26 00:38:01,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,760 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:38:01,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,769 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:38:01,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:01,859 INFO L321 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-11-26 00:38:01,863 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 195 select indices, 195 select index equivalence classes, 17054 disjoint index pairs (out of 18915 index pairs), introduced 195 new quantified variables, introduced 18 case distinctions, treesize of input 1752 treesize of output 594 [2022-11-26 00:38:02,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:02,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:02,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:02,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:02,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:02,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:02,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:02,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:02,546 INFO L217 Elim1Store]: Index analysis took 125 ms [2022-11-26 00:38:02,582 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 195 select indices, 195 select index equivalence classes, 17052 disjoint index pairs (out of 18915 index pairs), introduced 195 new quantified variables, introduced 0 case distinctions, treesize of input 1752 treesize of output 586 [2022-11-26 00:38:02,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:02,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:03,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:03,040 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19309 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 0 case distinctions, treesize of input 986 treesize of output 592 [2022-11-26 00:38:03,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:03,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:03,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:03,582 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19505 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 [2022-11-26 00:38:04,787 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 [2022-11-26 00:38:04,794 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 [2022-11-26 00:38:04,826 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 [2022-11-26 00:38:04,830 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 [2022-11-26 00:38:04,891 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 [2022-11-26 00:38:04,900 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 [2022-11-26 00:38:04,919 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 [2022-11-26 00:38:04,926 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 [2022-11-26 00:38:04,983 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:38:04,983 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 [2022-11-26 00:38:05,004 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 [2022-11-26 00:38:05,015 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 [2022-11-26 00:38:05,078 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:38:05,079 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 [2022-11-26 00:38:05,090 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 [2022-11-26 00:38:05,099 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 [2022-11-26 00:38:05,272 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 [2022-11-26 00:38:06,143 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 197 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-11-26 00:38:06,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:06,206 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 197 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 30 [2022-11-26 00:38:06,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:06,249 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 197 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 24 [2022-11-26 00:38:07,556 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 197 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-11-26 00:38:07,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:07,617 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 197 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 30 [2022-11-26 00:38:07,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:07,659 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 197 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 24 [2022-11-26 00:38:08,627 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-26 00:38:08,628 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2022-11-26 00:38:08,675 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-26 00:38:08,676 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 21 [2022-11-26 00:38:08,953 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-26 00:38:08,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:08,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:08,969 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:38:08,976 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-26 00:38:08,977 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 4 case distinctions, treesize of input 36 treesize of output 10 [2022-11-26 00:38:08,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:08,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:08,997 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:38:09,004 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-26 00:38:09,004 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 36 treesize of output 10 [2022-11-26 00:38:09,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:09,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:09,023 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:38:09,024 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:38:09,025 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:38:09,032 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-26 00:38:09,033 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 81 treesize of output 33 [2022-11-26 00:38:09,047 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-26 00:38:09,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:09,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:09,259 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:38:09,266 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-26 00:38:09,266 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 36 treesize of output 10 [2022-11-26 00:38:09,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:09,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:09,283 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:38:09,284 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:38:09,285 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:38:09,292 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-26 00:38:09,292 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 81 treesize of output 33 [2022-11-26 00:38:09,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:09,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:09,312 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:38:09,319 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-26 00:38:09,320 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 36 treesize of output 10 [2022-11-26 00:38:09,332 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-26 00:38:09,343 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-26 00:38:27,801 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_valid with input of size 47 for LOIs [2022-11-26 00:38:27,826 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 [2022-11-26 00:38:27,838 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 [2022-11-26 00:38:27,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:27,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:27,916 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:38:27,916 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 10 [2022-11-26 00:38:27,929 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 [2022-11-26 00:38:27,945 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 [2022-11-26 00:38:28,027 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 [2022-11-26 00:38:28,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:28,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:38:28,050 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:38:28,051 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 10 [2022-11-26 00:38:28,072 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 [2022-11-26 00:38:28,433 INFO L321 Elim1Store]: treesize reduction 24, result has 48.9 percent of original size [2022-11-26 00:38:28,433 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 180 treesize of output 197 [2022-11-26 00:38:29,075 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_bounded with input of size 2819 for LOIs [2022-11-26 00:38:32,487 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 94 for LOIs [2022-11-26 00:38:32,781 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 80 for LOIs [2022-11-26 00:38:32,802 INFO L197 IcfgInterpreter]: Interpreting procedure ensure_array_list_has_allocated_data_member with input of size 2866 for LOIs [2022-11-26 00:40:16,189 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_allocator with input of size 2864 for LOIs [2022-11-26 00:40:22,231 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 70 for LOIs [2022-11-26 00:40:22,257 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_malloc with input of size 70 for LOIs [2022-11-26 00:40:22,376 INFO L197 IcfgInterpreter]: Interpreting procedure nondet_bool with input of size 64 for LOIs [2022-11-26 00:40:22,387 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:42:33,089 WARN L233 SmtUtils]: Spent 2.16m on a formula simplification. DAG size of input: 2815 DAG size of output: 2431 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:45:11,183 WARN L233 SmtUtils]: Spent 2.61m on a formula simplification. DAG size of input: 2819 DAG size of output: 2435 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:48:28,796 WARN L233 SmtUtils]: Spent 3.27m on a formula simplification. DAG size of input: 2861 DAG size of output: 2477 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)